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Nuclear reaction Reaction (physics), as defined by Newton's third law Chain reaction (disambiguation) Adverse drug reaction Allergic reaction Reflex,...

chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. When chemical reactions occur, the...

The Maillard reaction (/maɪˈjɑːr/ MY-ar; French: [majaʁ]) is a chemical reaction between amino acids and reducing sugars to create melanoidins, the compounds...

In psychoanalytic theory, reaction formation (German: Reaktionsbildung) is a defense mechanism in which emotions, desires and impulses that are anxiety-producing...

opposite reaction force on the first. The third law is also more generally stated as: "To every action there is always opposed an equal reaction: or the...

chain reaction is a sequence of reactions where a reactive product or by-product causes additional reactions to take place. In a chain reaction, positive...

In organic chemistry, the Malaprade reaction or Malaprade oxidation is a reaction that converts vicinal diols by periodic acid or a periodate salt to...

The Bosch reaction is a catalytic chemical reaction between carbon dioxide (CO2) and hydrogen (H2) that produces elemental carbon (C,graphite), water...

chemistry and chemical engineering, extent of reaction is a quantity that measures the extent to which the reaction has proceeded. Often, it refers specifically...

A reaction video, or a react video, is a video in which one or more persons react to something. Videos showing the emotional reactions, criticism or commentary...

thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." Exothermic reactions usually release stored...

In ecology and genetics, a reaction norm, also called a norm of reaction, describes the pattern of phenotypic expression of a single genotype across a...

The Sandmeyer reaction is a chemical reaction used to synthesize aryl halides from aryl diazonium salts using copper salts as reagents or catalysts. It...

A side reaction is a chemical reaction that occurs at the same time as the actual main reaction, but to a lesser extent. It leads to the formation of by-product...

A reaction wheel (RW) is an electric motor attached to a flywheel, which, when its rotation speed is changed, causes a counter-rotation proportionately...

Nuclear fusion is a reaction in which two or more atomic nuclei combine to form a larger nucleus. The difference in mass between the reactants and products...

the historiography of the French Revolution, the Thermidorian Reaction (French: Réaction thermidorienne or Convention thermidorienne, "Thermidorian Convention")...

A paradoxical reaction (or paradoxical effect) is an effect of a chemical substance, such as a medical drug, that is opposite to what would usually be...

The Mazzotti reaction, first described in 1948, is a symptom complex seen in patients after undergoing treatment of nematode infestation, particularly...

The reaction rate or rate of reaction is the speed at which a chemical reaction takes place, defined as proportional to the increase in the concentration...

In nuclear physics and nuclear chemistry, a nuclear reaction is a process in which two nuclei, or a nucleus and an external subatomic particle, collide...

REE-doks, reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the...

An initial reaction force (IRF), also known as an internal reaction force, or extreme reaction force (ERF) to inmates, is a type of small-scale riot squad...

Reaction dynamics is a field within physical chemistry, studying why chemical reactions occur, how to predict their behavior, and how to control them...

reaction is a chemical reaction in which the type of chemical bonds broken in the reactant are the same as the type of bonds formed in the reaction product...

physics, a nuclear chain reaction occurs when one single nuclear reaction causes an average of one or more subsequent nuclear reactions, thus leading to the...

Alcohol flush reaction is a condition in which a person develops flushes or blotches associated with erythema on the face, neck, shoulders, ears, and in...

On-water reactions are a group of organic reactions that take place as an emulsion in water and have an unusual reaction rate acceleration compared with...

Carbothermic reactions involve the reduction of substances, often metal oxides (O2-), using carbon (C) as the reducing agent. The reduction is usually...

μεταβολή metabolē, "change") refers to the set of life-sustaining chemical reactions that occur within living organisms. The three main functions of metabolism...

The aldol reaction (aldol addition) is a reaction in organic chemistry that combines two carbonyl compounds (e.g. aldehydes or ketones) to form a new...

In chemical thermodynamics, the reaction quotient ( Q r {\displaystyle Q_{\mathrm {r} }} or just Q {\displaystyle Q} ) is a dimensionless quantity that...

The Suzuki reaction or Suzuki coupling is an organic reaction that uses a palladium complex catalyst to cross-couple a boronic acid to an organohalide...

The carbylamine reaction (also known as the Hoffmann isocyanide synthesis) is the synthesis of an isocyanide by the reaction of a primary amine, chloroform...

The Pauly reaction is a chemical test used for detecting the presence of tyrosine or histidine in proteins. It is named after German chemist Hermann Pauly...

of a chemical reaction due to an added substance known as a catalyst (/ˈkætəlɪst/ KAT-əl-ist). Catalysts are not consumed by the reaction and remain unchanged...

additional reactions to take place. Chain reaction or The Chain reaction may also refer to: Chain Reaction (game show), an American game show Chain Reaction (radio)...

enzyme-catalysed chemical reactions. In enzyme kinetics, the reaction rate is measured and the effects of varying the conditions of the reaction are investigated...

The Wittig reaction or Wittig olefination is a chemical reaction of an aldehyde or ketone with a triphenyl phosphonium ylide called a Wittig reagent....

In organic chemistry, a condensation reaction is a type of chemical reaction in which two molecules are combined to form a single molecule, usually with...

In organic chemistry, the desulfonation reaction is the hydrolysis of aryl and naphthyl sulfonic acids: RC6H4SO3H + H2O → RC6H5 + H2SO4 It is the reverse...

Anaphylaxis is a serious, potentially fatal allergic reaction that can progress rapidly. It typically causes more than one of the following: an itchy rash...

The Hinsberg reaction is a chemical test for the detection of primary, secondary and tertiary amines. The reaction was first described by Oscar Hinsberg...

elimination reactions, substitution reactions, pericyclic reactions, rearrangement reactions, photochemical reactions and redox reactions. In organic...

Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces gamma photons...

cell, it is called an electrochemical reaction. In electrochemical reactions, unlike in other chemical reactions, electrons are not transferred directly...

Acute stress reaction (ASR), also known as psychological shock, mental shock, or simply shock, as well as acute stress disorder (ASD), is a psychological...

reaction (from Greek ἔνδον (endon) 'within' and ἔργον (ergon) 'work'; also called a heat absorbing nonspontaneous reaction or an unfavorable reaction)...

Reaction–diffusion systems are mathematical models that correspond to several physical phenomena. The most common is the change in space and time of the...

The Henry reaction is a classic carbon–carbon bond formation reaction in organic chemistry. Discovered in 1895 by the Belgian chemist Louis Henry [fr]...

Gomberg reaction may refer to: Gomberg–Bachmann reaction, an aryl–aryl coupling reaction via a diazonium salt Gomberg radical reaction, forming a triphenylmethyl...

acute hemolytic transfusion reaction (AHTR), also called immediate hemolytic transfusion reaction, is a life-threatening reaction to receiving a blood transfusion...

The Sabatier reaction or Sabatier process produces methane and water from a reaction of hydrogen with carbon dioxide at elevated temperatures (optimally...

In chemical kinetics, a reaction rate constant or reaction rate coefficient (⁠ k {\displaystyle k} ⁠) is a proportionality constant which quantifies the...

Barton reaction refers to one of several organic-chemical reactions named after Sir Derek Barton. It may be: the Barton nitrite ester reaction, forming...

The Fernandez reaction is a reaction that occurs to signal a positive result in the lepromin skin test for leprosy. The reaction occurs in the skin at...

The Stille reaction is a chemical reaction widely used in organic synthesis. The reaction involves the coupling of two organic groups, one of which is...

The DeMayo reaction or Ciamician-DeMayo reaction is a photochemical reaction in which the enol of a 1,3-diketone reacts with an alkene (or another species...

The iodine clock reaction, sometimes called the Landolt reaction, is a classical chemical clock experiment that is performed as a mechanism to demonstrate...

The Heck reaction (also called the Mizoroki–Heck reaction) is the chemical reaction of an unsaturated halide (or triflate) with an alkene in the presence...

The Staudinger reaction is a chemical reaction of an organic azide with a phosphine or phosphite produces an iminophosphorane. The reaction was discovered...

A substitution reaction (also known as single displacement reaction or single substitution reaction) is a chemical reaction during which one functional...

Reaction Engines Limited (REL) was a British aerospace manufacturer founded in 1989 and based in Oxfordshire, England. The company also operated in the...

organic chemistry, a coupling reaction is a type of reaction in which two reactant molecules are bonded together. Such reactions often require the aid of a...

Reaction injection molding (RIM) is similar to injection molding except thermosetting polymers are used, which requires a curing reaction to occur within...

The Crabbé reaction (or Crabbé allene synthesis, Crabbé–Ma allene synthesis) is an organic reaction that converts a terminal alkyne and aldehyde (or, sometimes...

Reaction is the second album by American R&B singer Rebbie Jackson. The album was released on October 7, 1986 and spawned two mildly successful singles...

A reversible reaction is a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously....

method of electric power generation from heat released by nuclear fusion reactions. In fusion, two light atomic nuclei combine to form a heavier nucleus...

The Bunsen reaction is a chemical reaction that describes water, sulfur dioxide, and iodine reacting to form sulfuric acid and hydrogen iodide: 2H2O +...

Therefore, sperm cells go through a process known as the acrosome reaction, which is the reaction that occurs in the acrosome of the sperm as it approaches the...

The Perkin reaction is an organic reaction developed by English chemist William Henry Perkin in 1868 that is used to make cinnamic acids. It gives an...

nucleophilic substitution (SN2) is a type of reaction mechanism that is common in organic chemistry. In the SN2 reaction, a strong nucleophile forms a new bond...

The Mitsunobu reaction is an organic reaction that converts an alcohol into a variety of functional groups, such as an ester, using triphenylphosphine...

The Grignard reaction (French: [ɡʁiɲaʁ]) is an organometallic chemical reaction in which, according to the classical definition, carbon alkyl, allyl, vinyl...

The Light Reaction Regiment (LRR) is the special operations unit of the Philippine Army (PA), under the operational control of the Armed Forces of the...

A Jarisch–Herxheimer reaction is a sudden and typically transient reaction that may occur within 24 hours of being administered antibiotics for an infection...

Combat stress reaction (CSR) or combat neurosis is acute behavioral disorganization as a direct result of the trauma of war. Also known as "combat fatigue"...

structure, properties, behavior and the changes they undergo during reactions with other substances. Chemistry also addresses the nature of chemical...

The Koch reaction is an organic reaction for the synthesis of tertiary carboxylic acids from alcohols or alkenes and carbon monoxide. Some commonly industrially...

mistakenly identifies an ordinarily harmless allergen as a threat. Allergic reactions give rise to allergic diseases such as hay fever, allergic conjunctivitis...

A reaction control system (RCS) is a spacecraft system that uses thrusters to provide attitude control and translation. Alternatively, reaction wheels...

The Cannizzaro reaction, named after its discoverer Stanislao Cannizzaro, is a chemical reaction which involves the base-induced disproportionation of...

The polymerase chain reaction (PCR) is a laboratory method widely used to amplify copies of specific DNA sequences rapidly, to enable detailed study. PCR...

A foreign body reaction (FBR) is a typical tissue response to a foreign body within biological tissue. It usually includes the formation of a foreign body...

In chemistry, an acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used to determine pH via titration. Several...

Reaction wood in a woody plant is wood that forms in place of normal wood as a response to gravity, where the cambial cells are oriented other than vertically...

The Prins reaction is an organic reaction consisting of an electrophilic addition of an aldehyde or ketone to an alkene or alkyne followed by capture...

In organic chemistry, the Wurtz reaction, named after Charles Adolphe Wurtz, is a coupling reaction in which two alkyl halides are treated with sodium...

The Kirsanov reaction is a method for the synthesis of certain organophosphorus compounds. In this reaction a tertiary phosphine is combined with a halogen...

A reaction engine is an engine or motor that produces thrust by expelling reaction mass (reaction propulsion), in accordance with Newton's third law of...

A Belousov–Zhabotinsky reaction, or BZ reaction, is one of a class of reactions that serve as a classical example of non-equilibrium thermodynamics, resulting...

The unimolecular nucleophilic substitution (SN1) reaction is a substitution reaction in organic chemistry. The Hughes-Ingold symbol of the mechanism expresses...

In turbomachinery, degree of reaction or reaction ratio (denoted R) is defined as the ratio of the change in static pressure in the rotating blades of...

a protein, that acts as a biological catalyst, accelerating chemical reactions without being consumed in the process. The molecules on which enzymes...

Hypersensitivity (also called hypersensitivity reaction) is an immune response characterized by mechanisms that cause significant tissue damage or physiological...

A rapid reaction force / rapid response force (RRF), quick reaction force / quick response force (QRF), immediate reaction force (IRF), rapid deployment...

The Appel reaction is an organic reaction that converts an alcohol into an alkyl chloride using triphenylphosphine and carbon tetrachloride. The use of...

The water–gas shift reaction (WGSR) describes the reaction of carbon monoxide and water vapor to form carbon dioxide and hydrogen: CO + H2O ⇌ CO2 + H2...

integral Hill reaction Integrated fluorometer Light-dependent reaction Organic reaction Photobiology Photoinhibition Photosynthetic reaction center Photosynthetically...

production, a reaction shot is a shot which cuts away from the main scene in order to show the reaction of a character to it. The reaction shot is a basic...

A stripping reaction may refer to: Stripping reaction (physics) Stripping reaction (chemistry) This disambiguation page lists articles associated with...

The cortical reaction is a process initiated during fertilization that prevents polyspermy, the fusion of multiple sperm with one egg. In contrast to the...

addition reaction is an organic reaction in which two or more molecules combine to form a larger molecule called the adduct. An addition reaction is limited...

In organic chemistry, the Diels–Alder reaction is a chemical reaction between a conjugated diene and a substituted alkene, commonly termed the dienophile...

Thorpe reaction is a chemical reaction described as a self-condensation of aliphatic nitriles catalyzed by base to form enamines. The reaction was discovered...

hunting reaction or hunting response is a process of alternating vasoconstriction and vasodilation in extremities exposed to cold. The term Lewis reaction is...

In organic chemistry, the Nef reaction is an organic reaction describing the acid hydrolysis of a salt of a primary or secondary nitroalkane (R−NO2) to...

The Delépine reaction is the organic synthesis of primary amines (4) by reaction of benzyl or alkyl halides (1) with hexamethylenetetramine (2) followed...

"proton–proton chain reaction", it is not a chain reaction in the normal sense. In most nuclear reactions, a chain reaction designates a reaction that produces...

The Eschweiler–Clarke reaction (also called the Eschweiler–Clarke methylation) is a chemical reaction whereby a primary (or secondary) amine is methylated...

In organosulfur chemistry, the thiol-ene reaction (also alkene hydrothiolation) is an organic reaction between a thiol (R−SH) and an alkene (R2C=CR2)...

In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical reaction occurs. A chemical mechanism...

When ignited by heat or chemical reaction, thermite undergoes an exothermic reduction-oxidation (redox) reaction. Most varieties are not explosive,...

chemistry, a half reaction (or half-cell reaction) is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained...

also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions. It is different...

The Vilsmeier–Haack reaction (also called the Vilsmeier reaction) is the chemical reaction of a substituted formamide (1) with phosphorus oxychloride and...

Leuckart reaction is the chemical reaction that converts aldehydes or ketones to amines. The reaction is an example of reductive amination. The reaction, named...

cycle, or TCA cycle (tricarboxylic acid cycle)—is a series of biochemical reactions that release the energy stored in nutrients through acetyl-CoA oxidation...

Aza-Wittig reaction or is a chemical reaction of a carbonyl group with an aza-ylide, also known as an iminophosphorane (R3P=NR'). Aza-Wittig reactions are most...

In chemistry, a template reaction is any of a class of ligand-based reactions that occur between two or more adjacent coordination sites on a metal center...

In organic chemistry, the Fischer reaction is the conversion of an aryl sulfonic acid to an aryl chloride using chlorine: ArSO3H + Cl2 → ArCl + ClSO3H...

Pagan reaction is reversal of Christianization. It may refer to: Pagan reaction in Rome under emperor Julian the Apostate (4th century) Pagan reaction in...

intramolecular Heck reaction (IMHR) in chemistry is the coupling of an aryl or alkenyl halide with an alkene in the same molecule. The reaction may be used to...

The Mehler reaction is named after Alan H. Mehler, who, in 1951, presented data to the effect that isolated chloroplasts reduce oxygen to form hydrogen...

with far lower mass and volume requirements. Characteristics of fusion reactions can make possible the use of non-fissile depleted uranium as the weapon's...

been her most successful single release. She released two more albums: Reaction (1986) and R U Tuff Enuff (1988). After a seven-year hiatus, Jackson returned...

The Simmons–Smith reaction is an organic cheletropic reaction involving an organozinc carbenoid that reacts with an alkene (or alkyne) to form a cyclopropane...

The Aldol–Tishchenko reaction is a tandem reaction involving an aldol reaction and a Tishchenko reaction. In organic synthesis, it is a method to convert...

chemistry, a reaction intermediate, or intermediate, is a molecular entity arising within the sequence of a stepwise chemical reaction. It is formed...

Finkelstein reaction, named after the German chemist Hans Finkelstein, is a type of SN2 reaction (substitution nucleophilic bimolecular reaction) that involves...

reaction, also Arias-Stella phenomenon, is a benign change in the endometrium associated with the presence of chorionic tissue. Arias-Stella reaction...

Disulfiram-alcohol reaction (DAR) is the effect of the interaction in the human body of alcohol drunk with disulfiram or some types of mushrooms. The DAR...

Alkali–aggregate reaction is a term mainly referring to a reaction which occurs over time in concrete between the highly alkaline cement paste and non-crystalline...

Positive Reaction may refer to: Positive Reaction (album), a 1990 album by Caveman Positive Reaction (song), a 1988 song by Mandy This disambiguation...

The von Richter reaction, also named von Richter rearrangement, is a name reaction in the organic chemistry. It is named after Victor von Richter, who...

A Norrish reaction, named after Ronald George Wreyford Norrish who developed the reaction(s) during the 1930's primarily through his work at Cambridge...

In nuclear physics, a stripping reaction is a nuclear reaction in which part of the incident nucleus combines with the target nucleus, and the remainder...

In organic chemistry, the Trofimov reaction is a reaction used to synthesize 2,3-disubstituted pyrroles from ketoximes and acetylene using the superbase...

In chemistry, a reaction coordinate is an abstract one-dimensional coordinate chosen to represent progress along a reaction pathway. Where possible it...

Idiosyncratic drug reactions, also known as type B reactions, are drug reactions that occur rarely and unpredictably amongst the population. This is not...

allergic transfusion reaction is when a blood transfusion results in allergic reaction. It is among the most common transfusion reactions to occur. Reported...

Products are the species formed from chemical reactions. During a chemical reaction, reactants are transformed into products after passing through a high...

In organic chemistry, a sigmatropic reaction (from Greek τρόπος (trópos) 'turn') is a pericyclic reaction wherein the net result is one sigma bond (σ-bond)...

Onion skin periosteal reaction also known as multilayered periosteal reaction or lamellated periosteal reaction refers to the multi layered concentric...

The Corey–Seebach reaction, or Seebach Umpolung is a name reaction of organic chemistry that allows for acylation by converting aldehydes into lithiated...

The Étard reaction is a chemical reaction that involves the direct oxidation of an aromatic or heterocyclic bound methyl group to an aldehyde using chromyl...

In organic chemistry, a rearrangement reaction is a broad class of organic reactions "that involves a change of connectivity". Usually the term rearrangement...

The Lehmstedt–Tanasescu reaction is a method in organic chemistry for the organic synthesis of acridone derivatives (3) from a 2-nitrobenzaldehyde (1)...

The Bray–Liebhafsky reaction is a chemical clock first described by William C. Bray in 1921 and the first oscillating reaction in a stirred homogeneous...

In chemical thermodynamics, an exergonic reaction is a chemical reaction where the change in the free energy is negative (there is a net release of free...

The Hopkins-Cole reaction, also known as the glyoxylic acid reaction, is a chemical test used for detecting the presence of tryptophan in proteins. A...

The Marschalk reaction in chemistry is the sodium dithionite promoted reaction of a phenolic anthraquinone with an aldehyde to yield a substituted phenolic...

The Atherton-Todd reaction is a name reaction in organic chemistry, which goes back to the British chemists F. R. Atherton, H. T. Openshaw and A. R. Todd...

Chemical reaction models transform physical knowledge into a mathematical formulation that can be utilized in computational simulation of practical problems...

chemistry, a reaction step of a chemical reaction is defined as: "An elementary reaction, constituting one of the stages of a stepwise reaction in which a...

Organic reductions or organic oxidations or organic redox reactions are redox reactions that take place with organic compounds. In organic chemistry oxidations...

An elementary reaction is a chemical reaction in which one or more chemical species react directly to form products in a single reaction step and with...

A multi-component reaction (MCR), sometimes referred to as a multi-component assembly process (MCAP), is a chemical reaction where three or more compounds...

Selected reaction monitoring (SRM), also called multiple reaction monitoring (MRM), is a method used in tandem mass spectrometry in which an ion of a particular...

The Rapid Reaction Corps — France (RRC-FR) was a corps headquarters, operating under the command of the French Army's Commandement de la Force et des Opérations...

the carbohydrate molecule galactose-alpha-1,3-galactose ("alpha-gal"). Reactions can be life-threatening, and typically either begin rapidly after exposure...

evolution reaction is a chemical reaction in which one of the end products is a gas such as oxygen or carbon dioxide. Gas evolution reactions may be carried...

Japp–Klingemann reaction is a chemical reaction used to synthesize hydrazones from β-keto-acids (or β-keto-esters) and aryl diazonium salts. The reaction is named...

The Sommelet reaction is an organic reaction in which a benzyl halide is converted to an aldehyde by action of hexamine and water. It is named after the...

Doebner–Miller reaction is the organic reaction of an aniline with α,β-unsaturated carbonyl compounds to form quinolines. This reaction is also known as...

Ferrier reaction can refer to two different chemical reactions: Ferrier rearrangement Ferrier carbocyclization (Ferrier II reaction) This disambiguation...

immunity. Superimposed acute "reactions" represent abrupt shifts on this immunologic continuum. Type 1 (reversal) reactions, usually in borderline disease...

The Haber–Weiss reaction generates •OH (hydroxyl radicals) from H2O2 (hydrogen peroxide) and superoxide (•O2−) catalyzed by iron ions. It was first proposed...

Hydroboration–oxidation reaction is a two-step hydration reaction that converts an alkene into an alcohol. The process results in the syn addition of...

In electrochemistry, an electrochemical reaction mechanism is the step-by-step sequence of elementary steps, involving at least one outer-sphere electron...

The Special Reaction Unit is a part of the Presidential Security Command, which serves as its main counter-terrorist unit among the other nine organic...

Chemical reaction engineering (reaction engineering or reactor engineering) is a specialty in chemical engineering or industrial chemistry dealing with...

Nierenstein reaction is an organic reaction describing the conversion of an acid chloride into a haloketone with diazomethane. It is an insertion reaction in that...

Psychotic Reaction is the only studio album by the American garage rock band Count Five, released in October 1966, through Double Shot Records. It features...

immunology, the Arthus reaction (/ˌɑːrˈtjuːs/) is a type of local type III hypersensitivity reaction. Type III hypersensitivity reactions are immune complex-mediated...

The solid-state reaction route is the most widely used method for the preparation of polycrystalline solids from a mixture of solid starting materials...

In chemistry, the oxygen reduction reaction refers to the reduction half reaction whereby O2 is reduced to water or hydrogen peroxide. In fuel cells, the...

In theoretical physics, back-reaction (or backreaction) is often necessary to calculate the self-consistent behaviour of a particle or an object in an...

cross-coupling reaction is a reaction where two different fragments are joined. Cross-couplings are a subset of the more general coupling reactions. Often cross-coupling...

reaction is a chemical reaction in which a β-arylethylamine undergoes condensation with an aldehyde or ketone followed by ring closure. The reaction was...

Cold fusion is a hypothesized type of nuclear reaction that would occur at, or near, room temperature. It would contrast starkly with the "hot" fusion...

when the forward reaction proceeds at the same rate as the reverse reaction. The reaction rates of the forward and backward reactions are generally not...

"Psychotic Reaction" is the debut single by the American garage rock band Count Five, released in June 1966 on their debut studio album of the same name...

In chemistry, a hydration reaction is a chemical reaction in which a substance combines with water. In organic chemistry, water is added to an unsaturated...

The Bohn–Schmidt reaction, a named reaction in chemistry, introduces a hydroxy group at an anthraquinone system. The anthraquinone must already have at...

The alkali–silica reaction (ASR), also commonly known as concrete cancer, is a deleterious internal swelling reaction that occurs over time in concrete...

oxo-Diels–Alder reaction (also called an oxa-Diels–Alder reaction) is an organic reaction and a variation of the Diels–Alder reaction in which a suitable...

view and policies meant to restore a status quo ante. As an ideology, reactionism is a tradition in right-wing politics; the reactionary stance opposes...

A chemical reaction is autocatalytic if one of the reaction products is also a catalyst for the same reaction. Many forms of autocatalysis are recognized...

reaction, named for the Russian-American chemist Moses Gomberg and the American chemist Werner Emmanuel Bachmann, is an aryl-aryl coupling reaction via...

A free-radical reaction is any chemical reaction involving free radicals. This reaction type is abundant in organic reactions. Two pioneering studies into...

A non-enzymatic reaction refers to a chemical reaction that occurs without the need for participation (or catalysis) of an enzyme. While enzymes act as...

collision/reaction cell is a device used in inductively coupled plasma mass spectrometry to remove interfering ions through ion/neutral reactions. The collision...

a dehydration reaction is a chemical reaction that involves the loss of an H2O from the reacting molecule(s) or ion(s). This reaction results in the...

explosives, and organic redox reactions involve atom-transfer reactions. Electron acceptors participate in electron-transfer reactions. In this context, the oxidizing...

Evans–Tishchenko reaction is the diastereoselective reduction of β-hydroxy ketones to the corresponding 1,3-anti diol monoesters. The reaction employs a Lewis...

Strong Reaction is the debut album of Pegboy. It was released in 1991 through Quarterstick Records. Trouser Press wrote that "quibbles about the occasionally...

an addition-elimination reaction is a two-step reaction process of an addition reaction followed by an elimination reaction. This gives an overall effect...

Quick Reaction Alert (QRA) is the state of readiness and modus operandi of air defence maintained at all hours of the day by NATO air forces. The United...

polymerase chain reaction (digital PCR, DigitalPCR, dPCR, or dePCR) is a biotechnological refinement of conventional polymerase chain reaction methods that...

The Kolbe–Schmitt reaction or Kolbe process (named after Hermann Kolbe and Rudolf Schmitt) is a carboxylation chemical reaction that proceeds by treating...

The Briggs–Rauscher oscillating reaction is one of a small number of known oscillating chemical reactions. It is especially well suited for demonstration...

The Ullmann reaction or Ullmann coupling, named after Fritz Ullmann, couples two aryl or alkyl groups with the help of copper. The reaction was first reported...

In physics, and in particular in biomechanics, the ground reaction force (GRF) is the force exerted by the ground on a body in contact with it. For example...

Reactions on surfaces are reactions in which at least one of the steps of the reaction mechanism is the adsorption of one or more reactants. The mechanisms...

The Pauson–Khand (PK) reaction is a chemical reaction, described as a [2+2+1] cycloaddition. In it, an alkyne, an alkene, and carbon monoxide combine...

Armed Reaction (Chinese: 陀槍師姐; Jyutping: to4 coeng1 si1 ze2) is a 1998 Hong Kong modern cop drama produced by TVB. The drama stars Bobby Au-yeung and Esther...

The Schotten–Baumann reaction is a method to synthesize amides from amines and acid chlorides: Schotten–Baumann reaction conditions can also refer to...

The Tsuji–Trost reaction (also called the Trost allylic alkylation or allylic alkylation) is a palladium-catalysed substitution reaction involving a substrate...

coupling reaction or the aldehyde-alkyne-amine reaction), coined by Prof. Chao-Jun Li of McGill University, is a type of multicomponent reaction involving...

steam turbines frequently employ both reaction and impulse in the same unit, typically varying the degree of reaction and impulse from the blade root to...

A direct combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine to form a...

The Corey–Fuchs reaction, also known as the Ramirez–Corey–Fuchs reaction, is a series of chemical reactions designed to transform an aldehyde into an...

Anaplerotic reactions, or Anaplerosis, coined by Hans Kornberg and originating from the Greek ἀνά= 'up' and πληρόω= 'to fill', are chemical reactions that form...

The ketimine Mannich reaction is an asymmetric synthetic technique using differences in starting material to push a Mannich reaction to create an enantiomeric...

standard enthalpy of reaction (denoted Δ H reaction ⊖ {\displaystyle \Delta H_{\text{reaction}}^{\ominus }} ) for a chemical reaction is the difference between...

In organic chemistry, the Schmidt reaction is an organic reaction in which an azide reacts with a carbonyl derivative, usually an aldehyde, ketone, or...

Light reaction may refer to: Light-dependent reactions Pupillary light reflex This disambiguation page lists articles associated with the title Light reaction...

The Michaelis–Becker reaction is the reaction of a hydrogen (thio)phosphonate with a base, followed by a nucleophilic substitution of phosphorus on a haloalkane...

In organic chemistry, a cyanohydrin reaction is an organic reaction in which an aldehyde (−CH=O) or ketone (>C=O) reacts with a cyanide anion (N≡C−) or...

The blue bottle experiment is a color-changing redox chemical reaction. An aqueous solution containing glucose, sodium hydroxide, methylene blue is prepared...

Hydrogen evolution reaction (HER) is a chemical reaction that yields H2. The conversion of protons to H2 requires reducing equivalents and usually a catalyst...

Reaction Motors, Inc. (RMI) was an early American maker of liquid-fueled rocket engines, located in New Jersey. RMI engines with 6,000 lbf (27 kN) thrust...

In organic chemistry, the Mannich reaction is a three-component organic reaction that involves the amino alkylation of the α-position of a ketone or aldehyde...

chemical reaction used to synthesize quinolines. It is named after the Czech chemist Zdenko Hans Skraup (1850–1910). In the archetypal Skraup reaction, aniline...

An insertion reaction is a chemical reaction where one chemical entity (a molecule or molecular fragment) interposes itself into an existing bond of typically...

In chemistry, a concerted reaction is a chemical reaction in which all bond breaking and bond making occurs in a single step. Reactive intermediates or...

The Reformatsky reaction (sometimes transliterated as Reformatskii reaction) is an organic reaction which condenses aldehydes or ketones with α-halo esters...

Within the field of geology, Bowen's reaction series is the work of the Canadian petrologist Norman L. Bowen, who summarized, based on experiments and...

In chemistry, the haloform reaction (also referred to as the Lieben haloform reaction) is a chemical reaction in which a haloform (CHX3, where X is a halogen)...

Imperative Reaction was an American electro-industrial band founded in 1996 by Ted Phelps and David Andrecht from the remains of the band Digital Neural...

reaction is an organic reaction between an aldehyde and N-hydroxybenzenesulfonamide in presence of base forming a hydroxamic acid. The other reaction...

The caridoid escape reaction, also known as lobstering or tail-flipping, is an innate escape behavior in marine and freshwater eucarid crustaceans such...

The Chichibabin reaction (pronounced ' (chē')-chē-bā-bēn) is a method for producing 2-aminopyridine derivatives by the reaction of pyridine with sodium...

Aluminothermic reactions are exothermic chemical reactions using aluminium as the reducing agent at high temperature. The process is industrially useful...

"Reaction to Action" is the third single taken from the album Agent Provocateur by the band Foreigner. It was written by Lou Gramm and Mick Jones. Foreigner...

an empirical differential mathematical expression for the reaction rate of a given reaction in terms of concentrations of chemical species and constant...

Elbs reaction is an organic reaction describing the pyrolysis of an ortho methyl substituted benzophenone to a condensed polyaromatic. The reaction is named...

emulate the way nature constructs complex molecules, using efficient reactions to join together simple, non-toxic building blocks. Many perspectives...

light-independent reactions, bio synthetic phase, dark reactions, or photosynthetic carbon reduction (PCR) cycle of photosynthesis is a series of chemical reactions that...

In organic chemistry, the Roskamp reaction is a name reaction describing the reaction between α-diazoesters (such as ethyl diazoacetate) and aldehydes...

The Reaction Motors LR99 engine was the first large, throttleable, restartable liquid-propellant rocket engine. Development began in the 1950s by the Reaction...

Reaction Dynamics is a Canadian aerospace company headquartered in Longueuil, Quebec, specializing in hybrid rocket propulsion and small satellite launch...

The Hill reaction is the light-driven transfer of electrons from water to Hill reagents (non-physiological oxidants) in a direction against the chemical...

this reaction. The organic reaction also goes by the name Bucherer-Lepetit reaction or (incorrectly) the Bucherer-Le Petit reaction. The reaction is used...

Armed Reaction II (Chinese: 陀槍師姐 II; Jyutping: to4 coeng1 si1 ze2 II) is a 2000 Hong Kong modern cop drama produced by TVB. The drama stars Bobby Au-yeung...

Landau reflex or Landau reaction refers to a reflex seen in infants when held horizontally in the air in the prone position. It emerges 3 months after...

for a zero order reaction depends on the initial concentration and the rate constant. In first order reactions, the rate of reaction will be proportional...

quantities of reactants and products before, during and after chemical reactions. Stoichiometry is based on the law of conservation of mass; the total...

of benzaldehyde and aniline. In the Pictet–Hubert reaction (1899) the compound is formed in a reaction of the 2-aminobiphenyl – formaldehyde adduct (an...

The Reimer–Tiemann reaction is a chemical reaction used for the ortho-formylation of phenols. with the simplest example being the conversion of phenol...

Tishchenko reaction is an organic chemical reaction that involves disproportionation of an aldehyde in the presence of an alkoxide. The reaction is named...

The Chain Reaction is a 1980 Australian science fiction thriller film written and directed by Ian Barry. The film stars Steve Bisley and Arna-Maria Winchester...

the Baylis–Hillman, Morita–Baylis–Hillman, or MBH reaction is a carbon–carbon bond-forming reaction between an activated alkene and a carbon electrophile...

The Gattermann reaction (also known as the Gattermann formylation and the Gattermann salicylaldehyde synthesis) is a chemical reaction in which aromatic...

chemical reaction that results from the ignition of a mixture of carbon disulfide and nitrous oxide. When ignited in a cylindrical tube, the reaction produces...

Chain Reaction is a 1996 American science fiction action thriller film directed by Andrew Davis and starring Keanu Reeves, Morgan Freeman, Rachel Weisz...

The Bischler–Napieralski reaction is an intramolecular electrophilic aromatic substitution reaction that allows for the cyclization of β-arylethylamides...

Injection site reactions (ISRs) are reactions that occur at the site of injection of a drug. They may be mild or severe and may or may not require medical...

The Perkow reaction is an organic reaction in which a trialkyl phosphite ester reacts with a haloketone to form a dialkyl vinyl phosphate and an alkyl...

The Van Leusen reaction is the reaction of a ketone with TosMIC leading to the formation of a nitrile. It was first described in 1977 by Van Leusen and...

a pericyclic reaction is the type of organic reaction wherein the transition state of the molecule has a cyclic geometry, the reaction progresses in...

"Positive Reaction" is a song written and produced by Stock Aitken Waterman for Mandy Smith's debut studio album Mandy (1988). The song was released in...

Reaction was a British independent record label, run by music executive Robert Stigwood in 1966 and 1967. Although Reaction released only three albums...

In organic chemistry, the Ferrario–Ackermann reaction or simply the Ferrario reaction is a name reaction that allow for the generation of phenoxathiin...

also known as hyperarousal or acute stress response, is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat...

Braun reaction is an organic reaction in which a tertiary amine reacts with cyanogen bromide to an organocyanamide. An example is the reaction of N...

reaction is the related conversions of trialkyl to α-hydroxy phosphonates by the addition to carbonyl compounds. In terms of mechanism, the reaction involves...

cascade reaction, also known as a domino reaction or tandem reaction, is a chemical process that comprises at least two consecutive reactions such that...

The Bamford–Stevens reaction is a chemical reaction whereby treatment of tosylhydrazones with strong base gives alkenes. It is named for the British chemist...

metallo-ene reaction is a chemical reaction employed within organic synthesis. Mechanistically similar to the classic ene reaction, the metallo-ene reaction involves...

In organophosphorus chemistry, the Pudovik reaction is a method for preparing α-aminomethylphosphonates. It is named after the well-known chemist Pudoh...

of the startle response is a startle reflex reaction. The startle reflex is a brainstem reflectory reaction (reflex) that serves to protect vulnerable...

In organophosphorus chemistry, the Kabachnik–Fields reaction is a three-component organic reaction forming α-aminomethylphosphonates from an amine, a carbonyl...

The Wolff–Kishner reduction is a reaction used in organic chemistry to convert carbonyl functionalities into methylene groups. In the context of complex...

The Barton–Zard reaction is a route to pyrrole derivatives via the reaction of a nitroalkene with an α-isocyanide under basic conditions. It is named...

The Darzens reaction (also known as the Darzens condensation or glycidic ester condensation) is the chemical reaction of a ketone or aldehyde with an...

"Love Reaction" is a song by American performance artist Divine, released as a single in 1983. The song was later included on the 1984 compilation album...

Chain Reaction, also known as The Strangeurs, was an American rock band from Yonkers, New York. They had two singles and were most notable for having lead...

The alkyne zipper reaction is an organic reaction of unsaturated hydrocarbons. In the presence of an extremely strong base, a non-terminal alkyne isomerizes...

{\displaystyle {\ce {ROH + NH3 -> RNH2 + H2O}}} Unlike the reaction of amines with alcohols the reaction of amines and ammonia with alkyl halides is used for...

The pagan reaction in Poland (Polish: Reakcja pogańska w Polsce) was a series of events in the Kingdom of Poland in the 1030s that culminated in a popular...

The Zincke reaction is an organic reaction, named after Theodor Zincke, in which a pyridine is transformed into a pyridinium salt by reaction with 2...

solid formed is called the precipitate. In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form...

chemical reaction in which a molecule of water breaks one or more chemical bonds. The term is used broadly for substitution and elimination reactions in which...

In organic chemistry, the Corey–Link reaction is a name reaction that converts a 1,1,1-trichloro-2-keto structure into a 2-aminocarboxylic acid (an alpha...

through the circuit and reach the positive terminal, thus causing a redox reaction by attracting positively charged ions, or cations. Thus, higher energy...

A ring forming reaction or ring-closing reaction in organic chemistry is an umbrella term for a variety of reactions that introduce one or more rings...

thiol-yne reaction (also known as alkyne hydrothiolation) is an organic reaction between a thiol (−SH) and an alkyne (−C≡CH). The reaction product is...

The Maritime Reaction Squadron (MRS) is a specialised marine-like unit of the South African Navy that provides a combat ready amphibious, diving and small...

of ammonia. It converts atmospheric nitrogen (N2) to ammonia (NH3) by a reaction with hydrogen (H2) using finely divided iron metal as a catalyst: N 2 +...

The Schenck ene reaction or the Schenk reaction is the reaction of singlet oxygen with alkenes to yield hydroperoxides. The hydroperoxides can be reduced...

The Einhorn–Brunner reaction is the designation for the chemical reaction of imides with alkyl hydrazines to form an isomeric mixture of 1,2,4-triazoles...

Thermodynamic reaction control or kinetic reaction control in a chemical reaction can decide the composition in a reaction product mixture when competing...

In organic chemistry, the Murai reaction is an organic reaction that uses C-H activation to create a new C-C bond between a terminal or strained internal...

The Kulinkovich reaction describes the organic synthesis of substituted cyclopropanols through reaction of esters with dialkyl­dialkoxy­titanium reagents...

Armed Reaction IV (Chinese: 陀槍師姐 IV; Jyutping: to4 coeng1 si1 ze2 IV) is a Hong Kong modern cop drama released overseas in August 2003. The drama stars...

effects of light. Generally, this term is used to describe a chemical reaction caused by absorption of ultraviolet (wavelength from 100 to 400 nm), visible...

husband-and-wife duo Ethan Klein and Hila Klein. Their content consists of reaction videos and sketch comedy in which they satirize internet culture. The H3...

Synthetic Reaction Updates was a current awareness bibliographic database from the Royal Society of Chemistry that provided alerts of recently published...

The E1cB elimination reaction is a type of elimination reaction which occurs under basic conditions, where the hydrogen to be removed is relatively acidic...

expatriate communities of Indians and Pakistanis, conveyed a more moderate reaction. In response, the Indian government criticised the GCC for what it regarded...

reactionary philosophical and political movement. It can be understood as a reaction against values and ideologies associated with Enlightenment, advocating...

An elimination reaction is a type of organic reaction in which two substituents are removed from a molecule in either a one- or two-step mechanism. The...

exploit this reaction: 2 •NO → O2 + N2 When exposed to oxygen, nitric oxide converts into nitrogen dioxide: 2 •NO + O2 → 2 •NO2 This reaction is thought...

Gould–Jacobs reaction is an organic synthesis for the preparation of quinolines and 4‐hydroxyquinoline derivatives. The Gould–Jacobs reaction is a series...

The Reaction Engines Scimitar is a derivative of the SABRE engine technology, but intended for jet airliners (the Reaction Engines LAPCAT A2 concept),...

In organic chemistry, the Michael reaction or Michael 1,4 addition is a reaction between a Michael donor (an enolate or other nucleophile) and a Michael...

In organic chemistry, the Ugi reaction is a multi-component reaction involving a ketone or aldehyde, an amine, an isocyanide and a carboxylic acid to form...

On 2 December 1942, the first human-made self-sustaining nuclear chain reaction was initiated in CP-1 during an experiment led by Enrico Fermi. The secret...

flemmen 'to look spiteful'), also called the flehmen position, flehmen reaction, flehmen grimace, flehming, or flehmening, is a behavior in which an animal...

diffusion-limited) reactions are reactions in which the reaction rate is equal to the rate of transport of the reactants through the reaction medium (usually...

The Pomeranz–Fritsch reaction, also named Pomeranz–Fritsch cyclization, is a named reaction in organic chemistry. It is named after Paul Fritsch (1859–1913)...

complex or Jackson–Meisenheimer complex in organic chemistry is a 1:1 reaction adduct between an arene carrying electron withdrawing groups and a nucleophile...

A dyotropic reaction (from the Greek dyo, meaning two) in organic chemistry is a type of organic reaction and more specifically a pericyclic valence isomerization...

Paternò–Büchi reaction, named after Emanuele Paternò and George Büchi, who established its basic utility and form, is a photochemical reaction, specifically...

Wharton reaction is a chemical reaction that involves the reduction of α,β-epoxy ketones using hydrazine to give allylic alcohols. This reaction, introduced...

The Diels–Reese Reaction is a reaction between hydrazobenzene and dimethyl acetylenedicarboxylate (or related esters) first reported in 1934 by Otto Diels...

In organic chemistry, the oxymercuration reaction is a chemical reaction that uses mercury salts to transform an alkene (R2C=CR2) into an alcohol. The...

The Doyle–Kirmse reaction is an organic reaction in which a metal carbene reacts with an allyl compound with transposition of the alkene and transfer...

The quellung reaction, also called the Neufeld reaction, is a biochemical reaction in which antibodies bind to the bacterial capsule of Streptococcus...

video became one of the best-known shock videos in itself and for the reactions its graphic content elicited from viewers who had not seen it before....

reaction (or named reaction) is a chemical reaction named after its discoverer(s) or developer(s). Among the tens of thousands of organic reactions that...

The Hunsdiecker reaction (also called the Borodin reaction or the Hunsdiecker–Borodin reaction) is a name reaction in organic chemistry whereby silver...

The Dakin–West reaction is a chemical reaction that transforms an amino-acid into a keto-amide using an acid anhydride and a base, typically pyridine...

The (n-p) reaction, or (n,p) reaction, is an example of a nuclear reaction. It is the reaction which occurs when a neutron enters a nucleus and a proton...

Reaction.life is a British news website that features reporting and analysis on politics, economics, culture and ideas. Reaction is based in London and...

A reaction ferry is a cable ferry that uses the reaction of the current of a river against a fixed tether to propel the vessel across the water. Such ferries...

characterized primarily by psychophysiological expressions, biological reactions, and mental states. A similar multi-componential description of emotion...

The Nicholas reaction is an organic reaction where a dicobalt octacarbonyl-stabilized propargylic cation is reacted with a nucleophile. Oxidative demetallation...

chemical equation is the symbolic representation (notation) of a chemical reaction in the form of symbols and chemical formulas. The reactant entities are...

Fujimoto–Belleau reaction is a chemical reaction that forms cyclic α-substituted α,β-unsaturated ketones from enol lactones. The reaction was discovered...

chemical reactions to obtain one or more products. This occurs by physical and chemical manipulations, usually involving one or more reactions. In modern...

the Menshutkin reaction converts a tertiary amine into a quaternary ammonium salt by reaction with an alkyl halide. Similar reactions occur when tertiary...

The Scholl reaction is a coupling reaction between two arene compounds with the aid of a Lewis acid and a protic acid. It is named after its discoverer...

interplay between differential diffusion of chemical species and chemical reaction. The instability mechanism is surprising because a pure diffusion, such...

flash". Chemical reactions involving thermal runaway are also called thermal explosions in chemical engineering, or runaway reactions in organic chemistry...

to cause a chemical reaction, or test if one occurs. A reactant is a substance or compound that is consumed in a chemical reaction. The terms reactant...

mental image brings about a seemingly "reflexive" or automatic muscular reaction, often of minuscule degree, and potentially outside of the awareness of...

persecutory beliefs concerning mild, moderate, and severe threats. A paranoid reaction may be caused from a decline in brain circulation as a result of high blood...

Fake Reaction is a British television comedy panel game shown on ITV2 that ran for two series from 3 January 2013 to 6 March 2014 presented by Matt Edmondson...

The Jaffe reaction is a colorimetric method used in clinical chemistry to determine creatinine levels in blood and urine. In 1886, Max Jaffe (1841–1911)...

Armed Reaction III (Chinese: 陀槍師姐 III; Jyutping: to4 coeng1 si1 ze2 III) is a 2001 Hong Kong modern cop drama produced by TVB. The drama stars Bobby Au-yeung...

An aldol condensation is a condensation reaction in organic chemistry in which two carbonyl moieties (of aldehydes or ketones) react to form a β-hydroxyaldehyde...

A single-displacement reaction, also known as single replacement reaction or exchange reaction, is a type of chemical reaction in which one element or...

molecule. Most enzymes are proteins, and most such processes are chemical reactions. Within the enzyme, generally catalysis occurs at a localized site, called...

chemistry, transition state theory (TST) explains the reaction rates of elementary chemical reactions. The theory assumes a special type of chemical equilibrium...

turning brown due to the chemical reactions that take place within. The process of browning is one of the chemical reactions that take place in food chemistry...

The Friedel–Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877 to attach substituents to an aromatic ring. Friedel–Crafts...

The xanthoproteic reaction (xanthoprotic test) is a method that can be used to detect a presence of protein soluble in a solution, using concentrated nitric...

The Catellani reaction was discovered by Marta Catellani (Università degli Studi di Parma, Italy) and co-workers in 1997. The reaction uses aryl iodides...

In organic chemistry, the Arndt–Eistert reaction is the conversion of a carboxylic acid to its homologue. It is named for the German chemists Fritz Arndt...

chemistry, cheletropic reactions, also known as chelotropic reactions, are a type of pericyclic reaction (a chemical reaction that involves a transition...

The polymerase chain reaction (PCR) is a commonly used molecular biology tool for amplifying DNA, and various techniques for PCR optimization which have...

antigen-antibody reaction, is a specific chemical interaction between antibodies produced by B cells of the white blood cells and antigens during immune reaction. The...

Koenigs–Knorr reaction is the substitution reaction of a glycosyl halide with an alcohol to give a glycoside. It is one of the oldest glycosylation reactions. It...

Fixed drug reactions are common and so named because they recur at the same site with each exposure to a particular medication. Medications inducing fixed...

touchdown polymerase chain reaction or touchdown style polymerase chain reaction is a method of polymerase chain reaction by which primers avoid amplifying...

The negative therapeutic reaction in psychoanalysis is the paradoxical phenomenon whereby a plausible interpretation produces, rather than improvement...

processing speed or reaction time on cognitive tasks to infer the content, duration, and temporal sequencing of mental operations. Reaction time (RT; also...

Unchained Reaction is a science and engineering reality game show that aired on the Discovery Channel. It was judged and executive-produced by Adam Savage...

Betti reaction is a chemical addition reaction of aldehydes, primary aromatic amines and phenols producing α-aminobenzylphenols. The Betti reaction is a...

DARVO (an acronym for "Deny, Attack, Reverse Victim and Offender") is a reaction that perpetrators of wrongdoing, such as abusers, narcissists, or sexual...

Delayed Reaction is Soul Asylum's 10th full-length studio album and follow-up to their 2006 studio release The Silver Lining. It was released on July 17...

Serbian claims that Kosovo is part of its sovereign territory, its initial reactions included recalling ambassadors from countries that recognised Kosovo for...

The ocular tilt reaction (OTR) comprises skew deviation, head tilt and ocular torsion involving structures of the inner ear responsible for maintenance...

associated with life. The chemistry of the cell also depends upon the reactions of small molecules and ions. These can be inorganic (for example, water...

In organoboron chemistry, the Brellochs reaction provides a way to generate the monocarboranes. The Brellochs method uses formaldehyde to insert single...

"gluten free" definition. Unilever reports that no cases of gluten-related reactions have been reported for Marmite. Nevertheless, Unilever has chosen not...

The Reissert reaction is a series of chemical reactions that transforms quinoline to quinaldic acid.[1][2] Quinolines will react with acid chlorides and...

A periosteal reaction is the formation of new bone in response to injury or other stimuli of the periosteum surrounding the bone. It is most often identified...

synthesis is an organic reaction in which an aryl halide reacts with cuprous cyanide to yield an aryl nitrile. The reaction was named after Karl Wilhelm...

equation relates the change in the equilibrium constant, Keq, of a chemical reaction to the change in temperature, T, given the standard enthalpy change, ΔrH⊖...

An adverse drug reaction (ADR) is an unintended medical event, which can potentially be associated with taking a medication. It can be disadvantageous...

The term leukemoid reaction describes an increased white blood cell count (> 50,000 cells/μL), which is a physiological response to stress or infection...

The Tipson–Cohen reaction is a name reaction first discovered by Stuart Tipson and Alex Cohen at the National Bureau of Standards in Washington D.C. The...

The Adkins–Peterson reaction is the air oxidation of methanol to formaldehyde with metal oxide catalysts such as iron oxide, molybdenum trioxide or combinations...

disproportionation, sometimes called dismutation (the French word), is a redox reaction in which one compound of intermediate oxidation state converts to two compounds...

Life-threatening hypersensitivity reactions occurring during surgery and anesthesia is around 1 in 10,000 procedures. More recent studies have reported...

minimum mass of the fissile material needed for a sustained nuclear chain reaction in a particular setup. The critical mass of a fissionable material depends...

chemical reaction or process as a single energetic pathway as the reactants are transformed into products. This pathway runs along the reaction coordinate...

"The Russian Rocket Reaction" is the fifth episode of the fifth season of The Big Bang Theory and the 92nd episode overall. It first aired on CBS on October...

phenomena to be considered are mass rates and reaction.[citation needed] Homogeneous reactions are chemical reactions in which the reactants and products are...

The Bargellini reaction is a chemical reaction discovered in 1906 by Italian chemist Guido Bargellini. The original reaction was a mixture of the reagents...

The ligase chain reaction (LCR) is a method of DNA amplification. The ligase chain reaction (LCR) is an amplification process that differs from polymerase...

not seen in adults, referred to as primitive reflexes. These automatic reactions to stimuli enable infants to respond to the environment before any learning...

A halogen addition reaction is a simple organic reaction where a halogen molecule is added to the carbon–carbon double bond of an alkene functional group...

parasympathetic division functions with actions that do not require immediate reaction. The sympathetic system is often considered the "fight or flight" system...

phenomenon (also known as the Shwartzman reaction and the Sanarelli-Shwartzman reaction) is a rare hyperimmune reaction of the body to toxins associated with...

metal, when both in the presence of an electrolyte. A similar galvanic reaction is exploited in single-use battery cells to generate a useful electrical...

Hoesch reaction or Houben–Hoesch reaction is an organic reaction in which a nitrile reacts with an arene compound to form an aryl ketone. The reaction is...

Serial reaction time (SRT) is a commonly used parameter in the measurement of unconscious learning processes. This parameter is operationalised through...

The following article details the reactions, both local and international, to the Philippine drug war. Senator Risa Hontiveros, an opponent of Duterte...

an electric current is generated from spontaneous oxidation–reduction reactions. An example of a galvanic cell consists of two different metals, each...

The Prévost reaction is a chemical reaction in which an alkene is converted by iodine and the silver salt of benzoic acid to a vicinal diol with anti...

The transposed Paternò−Büchi reaction involves a ππ* excited state of an alkene reacting with a ground state carbonyl functionality. This is a reversal...

The Horner–Wadsworth–Emmons (HWE) reaction is a chemical reaction used in organic chemistry of stabilized phosphonate carbanions with aldehydes (or ketones)...

organometallic reactions, including the Tsuji–Trost reaction, the Tsuji–Wilkinson decarbonylation reaction, and the Tsuji–Wacker reaction. Tsuji was born...

The Pinner reaction refers to the acid catalysed reaction of a nitrile with an alcohol to form an imino ester salt (alkyl imidate salt); this is sometimes...

The Duff reaction (after James Cooper Duff) also known as the hexamine aromatic formylation, is a formylation reaction used in organic chemistry for the...

analysis (PCA). The Diels-Alder reaction of hexadeca-1,3,5,7,9,11,13,15-octaene and ethylene can be thought of as a [4+2] reaction between a substituted diene...

Carbonyl α-substitution reactions occur at the position next to the carbonyl group, the α-position, and involves the substitution of an α-hydrogen by...

A reaction calorimeter is a calorimeter that measures the amount of energy released (in exothermic reactions) or absorbed (in endothermic reactions) by...

For exergonic and endergonic reactions, see the separate articles: Endergonic reaction Exergonic reaction Exergonic process Endergonic Exothermic process...

and carbon dioxide. Aldehydes participate in many reactions. Some industrially relevant reactions: condensations, e.g., to prepare plasticizers and polyols...

elementary (single-step) reaction and is equal to the sum of stoichiometric coefficients of reactants in the elementary reaction with effective collision...

The Zincke–Suhl reaction is a special case of a Friedel-Crafts alkylation and was first described by Theodor Zincke and Suhl in 1906. Unlike the traditional...

Violent Reaction were an English straight edge hardcore punk band. Originally a solo-project of Tom Pimlott in Liverpool, the band gained additional members...

and short roles, without changing order of vowel sounds Salt metathesis reaction, exchange of bonds between two reacting chemical species Olefin metathesis...

Schikorr reaction formally describes the conversion of the iron(II) hydroxide (Fe(OH)2) into iron(II,III) oxide (Fe3O4). This transformation reaction was first...

media reaction or solid-state reaction or solventless reaction is a chemical reaction performed in the absence of a solvent. Dry media reactions have been...

In organic chemistry, the Soai reaction is the alkylation of pyrimidine-5-carbaldehyde with diisopropylzinc. The reaction is autocatalytic and leads to...

The Bingel reaction in fullerene chemistry is a fullerene cyclopropanation reaction to a methanofullerene first discovered by C. Bingel in 1993 with the...

next 11 years which developed his world view of a New Age conspiracy. Reactions to his endorsement of an antisemitic fabrication, The Protocols of the...

Direction Reaction Creation is an anthology issued in 1997 by the British band the Jam. It includes 117 tracks over 5 discs. Discs 1 to 4 comprise all...

International reactions to the United Kingdom European Union membership referendum of 2016 are the reactions to the decision to leave the European Union...

of western Myanmar (particularly northern Rakhine state). International reaction focused on pressuring Aung San Suu Kyi to condemn the atrocities and address...

type of ground reaction force. If the person stands on a slope and does not sink into the ground or slide downhill, the total ground reaction force can be...

The Boudouard reaction, named after Octave Leopold Boudouard, is the redox reaction of a chemical equilibrium mixture of carbon monoxide and carbon dioxide...

The Petasis reaction (alternatively called the Petasis borono–Mannich (PBM) reaction) is the multi-component reaction of an amine, a carbonyl, and a vinyl-...

The Michaelis–Arbuzov reaction (also called the Arbuzov reaction) is the chemical reaction of a trivalent phosphorus ester with an alkyl halide to form...

in the United States for use in aircraft. It was designed and built by Reaction Motors Inc., and used ethyl alcohol and liquid oxygen as propellants to...

The Chen-Kao reaction (named after Ko Kuei Chen and Chung-Hsi Kao, Madison, Wisconsin 1926) is a chemical method for determining the presence of pseudoephedrine...

The Guerbet reaction, named after Marcel Guerbet (1861–1938), is an organic reaction that converts a primary alcohol into its β-alkylated dimer alcohol...

reaction is an organic reaction for the decarboxylation of carboxylic acids to alkyl halides with lead(IV) acetate and a lithium halide. The reaction...

theory is a principle of chemistry used to predict the rates of chemical reactions. It states that when suitable particles of the reactant hit each other...

TNA Reaction is an American professional wrestling-focused documentary-style television program by Total Nonstop Action Wrestling (TNA) that aired in the...

An adverse food reaction is an adverse response by the body to food or a specific type of food. The most common adverse reaction is a food allergy, which...

Serum sickness–like reactions (SSLRs) are adverse reactions that have symptoms similar to those of serum sickness (type III immune complex hypersensitivity)...

The Ciamician–Dennstedt rearrangement is a name reaction in organic chemistry. It was first published in 1881 by the Italian chemist Giacomo Luigi Ciamician...

A dearomatization reaction is an organic reaction in which the reactants are arenes and the products permanently lose their aromaticity. It is of some...

The Herz reaction, named after the chemist Richard Herz, is the chemical conversion of an aniline to the benzodithiazolium salt by its reaction with disulfur...

Electrophilic substitution reactions are chemical reactions in which an electrophile displaces a functional group in a compound, which is typically, but...

In chemistry, a stripping reaction is a chemical process, studied in a molecular beam, in which the reaction products are scattered forward with respect...

water. Amides do not readily participate in nucleophilic substitution reactions. Amides are stable to water, and are roughly 100 times more stable towards...

The Tscherniak-Einhorn reaction is an organic chemistry name reaction initiated in 1901 by Joseph Tscherniak. It involves the condensation of N- hydroxymethylphthalimide...

The Barton–Kellogg reaction is a coupling reaction between a diazo compound and a thioketone, giving an alkene by way of an episulfide intermediate.[1][2][3]...

In organic chemistry, a homologation reaction, also known as homologization, is any chemical reaction that converts the reactant into the next member of...

A reaction inhibitor is a substance that decreases the rate of, or prevents, a chemical reaction. A catalyst or an Enzyme activator, in contrast, is a...

organic chemistry, the hexadehydro-Diels–Alder (HDDA) reaction is an organic chemical reaction between a diyne (2 alkyne functional groups arranged in...

The Boekelheide reaction is a rearrangement of α-picoline-N-oxides to hydroxymethylpyridines. It is named after Virgil Boekelheide who first reported it...

The Rhetoric of Reaction: Perversity, Futility, Jeopardy is a book by theorist Albert O. Hirschman which analyzes the rhetoric of conservatism that has...

and psychological changes. These changes frequently lead to behavioral reactions such as fight-or-flight responses, the feeling of dread, and in extreme...

The Davis–Beirut reaction is N,N-bond forming heterocyclization that creates numerous types of 2H-indazoles and indazolones in both acidic and basic conditions...

diagnosis of "gross stress reaction", which has similarities to the modern definition and understanding of PTSD. Gross stress reaction is defined as a normal...

The alkali–carbonate reaction is an alteration process first suspected in the 1950s in Canada for the degradation of concrete containing dolomite aggregates...

A pinacol coupling reaction is an organic reaction in which a carbon–carbon bond is formed between the carbonyl groups of an aldehyde or a ketone in presence...

is the simplest case of enzyme kinetics, applied to enzyme-catalysed reactions involving the transformation of one substrate into one product. In 1913...

yielding two molecules of oxygen. The chemical shorthand for these gas-phase reactions is: Cl· + O 3 → ClO + O 2 A chlorine atom removes an oxygen atom from...

Hydrogen gas was first produced artificially in the 17th century by the reaction of acids with metals. Henry Cavendish, in 1766–1781, identified hydrogen...

The Rauhut–Currier reaction, also called the vinylogous Morita–Baylis–Hillman reaction, is an organic reaction describing (in its original scope) the...

overall reaction, the reaction will favor the side opposing the addition of the species. Likewise, the subtraction of a species would cause the reaction to...

funeral. Due to polarised opinions about her achievements and legacy, the reaction to her death was mixed across the UK, including contrasting praise, criticism...

slowest. Redox reactions are prevalent for the transition elements. Two classes of redox reaction are considered: atom-transfer reactions, such as oxidative...

the rate laws of chemical reactions and to aid in elucidation of reaction mechanisms. While the concepts guiding reaction progress kinetic analysis are...

Battery (ISB), stores and releases energy through the electrochemical reaction of iron salt. This type of battery belongs to the class of redox-flow batteries...

biochemist. In recognition of his role in the invention of the polymerase chain reaction (PCR) technique, he shared the 1993 Nobel Prize in Chemistry with Michael...

The Kolbe electrolysis or Kolbe reaction is an organic reaction named after Hermann Kolbe. The Kolbe reaction is formally a decarboxylative dimerisation...

Application site reactions are reactions to medical treatments which occur at the site of application. An example is skin reactions to transdermal patches...

The Allan–Robinson reaction is the chemical reaction of o-hydroxyaryl ketones with aromatic anhydrides to form flavones (or isoflavones). If aliphatic...

absorbs is thermal energy transfer into the system. Thus, an endothermic reaction generally leads to a decrease in the temperature of the surroundings. The...

differences) is a chemical reaction in which acid and a base react with an equivalent quantity of each other. In a reaction in water, neutralization results...

Photodisintegration (also called phototransmutation, or a photonuclear reaction) is a nuclear process in which an atomic nucleus absorbs a high-energy...

addition reactions: with an organozinc compound in the Blaise reaction with alcohols in the Pinner reaction. with amines, e.g. the reaction of the amine...

accessible form. Cellular respiration may be described as a set of metabolic reactions and processes that take place in the cells to transfer chemical energy...

Hartel PH, Shilo K, Klassen-Fischer M, et al. (2010). "Granulomatous reaction to Pneumocystis jirovecii. clinicopathologic review of 20 cases". American...

Prato reaction is a particular example of the well-known 1,3-dipolar cycloaddition of azomethine ylides to olefins. In fullerene chemistry this reaction refers...

properties of matter, as well as the changes it undergoes during chemical reactions; it features an extensive vocabulary and a significant amount of jargon...

The formose reaction, discovered by Aleksandr Butlerov in 1861, and hence also known as the Butlerov reaction, involves the formation of sugars from formaldehyde...

Twelve-Day War and drawing varied reactions across governments and non-governmental entities. The majority of reactions within the Iranian government and...

details of the reaction mechanism and overall result of a chemical reaction. For example, an SN2 reaction is a substitution reaction ("S") by a nucleophilic...

The Nozaki–Hiyama–Kishi reaction is a nickel/chromium coupling reaction forming an alcohol from the reaction of an aldehyde with an allyl or vinyl halide...

A photosynthetic reaction center is a complex of several proteins, biological pigments, and other co-factors that together execute the primary energy conversion...

Chemical reaction network theory is an area of applied mathematics that attempts to model the behaviour of real-world chemical systems. Since its foundation...

The Wagner-Jauregg reaction is a classic organic reaction in organic chemistry, named after Theodor Wagner-Jauregg [de] (son of Julius Wagner-Jauregg)...

force required to accelerate something will evoke an equal but opposite reactional force, which means the forward momentum gained by the projectile and exhaust...

prevent the amplification of nucleic acids through the polymerase chain reaction (PCR). PCR inhibition is the most common cause of amplification failure...

producing a characteristic "silver mirror" on the inner surface of the reaction vessel. This reagent is not commercially available due to its short shelf...

The Sakurai reaction (also known as the Hosomi–Sakurai reaction) is the chemical reaction of carbon electrophiles (such as a ketone shown here) with...

Chain Reaction is a peace monument and public art sculpture composed of a metal framework of stainless steel and fiberglass surrounded by concrete, depicting...

Buchwald–Hartwig amination is a chemical reaction for the synthesis of carbon–nitrogen bonds via the palladium-catalyzed coupling reactions of amines with aryl halides...

Nested polymerase chain reaction (nested PCR) is a modification of polymerase chain reaction intended to reduce non-specific binding in products due to...

emergency shutdown of a nuclear reactor effected by terminating the fission reaction. It is also the name that is given to the manually operated kill switch...

The Algar–Flynn–Oyamada reaction is a chemical reaction whereby a chalcone undergoes an oxidative cyclization to form a flavonol. There are several possible...

obtained from filtrates of sterilized, concentrated cultures. The tuberculin reaction was first described by Robert Koch in 1890. The test was first developed...

The Buchner–Curtius–Schlotterbeck reaction is the reaction of aldehydes or ketones with aliphatic diazoalkanes to form homologated ketones. It was first...

Old Nassau reaction or Halloween reaction is a chemical clock reaction in which a clear solution turns orange and then black. This reaction was discovered...

Goldberg machine, named after American cartoonist Rube Goldberg, is a chain reaction–type machine or contraption intentionally designed to perform a simple...

research and industrial chemical reactions, as well as in the role of catalysts to increase the rates of such reactions (e.g., as in uses of homogeneous...

The Allied Rapid Reaction Corps (ARRC) is a rapid reaction force maintained by NATO. It is capable of deploying a High Readiness Force (Land) Headquarters...

most countries supported the strikes. The Americas exhibited a mix of reactions, while most African countries did not react. Government and military leaders...

by the Soviet Union the following year. The United States government's reaction emphasized the lack of military usefulness, and signalled readiness to...

notably for the production of fertilizers. Because the underlying chemical reaction (water splitting) does not produce greenhouse gases, the emissions footprint...

The Heck–Matsuda (HM) reaction is an organic reaction and a type of palladium catalysed arylation of olefins that uses arenediazonium salts as an alternative...

main group elements are often very reactive and undergo uncontrollable reactions, notably dimerization and polymerization. Most organic radicals have short...

Abraham–Lorentz force (also known as the Lorentz–Abraham force) is the reaction force on an accelerating charged particle caused by the particle emitting...

metabolism occurs in the liver through Phase I and Phase II enzymatic reactions, particularly those involving cytochrome P450 enzymes, which generally...

electrolyte for a simple, unimolecular redox reaction, considering that both a cathodic and an anodic reaction occur on the same electrode: The Butler–Volmer...

potassium iodide (KI) or yeast and warm water as a catalyst. How rapidly the reaction proceeds majorly depends on the concentration of hydrogen peroxide. About...