Nuclear reactionReaction (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...
thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." Exothermic reactions usually release heat...
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...
The Maillard reaction (/maɪˈjɑːr/ my-YAR; French: [majaʁ]) is a chemical reaction between amino acids and reducing sugars to create melanoidins, the compounds...
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...
Nuclear fusion is a reaction in which two or more atomic nuclei, usually deuterium and tritium (hydrogen isotopes), combine to form one or more different...
the historiography of the French Revolution, the Thermidorian Reaction (French: Réaction thermidorienne or Convention thermidorienne, "Thermidorian Convention")...
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...
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...
The polymerase chain reaction (PCR) is a method widely used to make millions to billions of copies of a specific DNA sample rapidly, allowing scientists...
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...
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 reversible reaction is a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously....
reduction–oxidation or oxidation–reduction: 150 ) is a type of chemical reaction in which the oxidation states of a reactant change. Oxidation is the loss...
In Sigmund Freud’s psychoanalytic theory, reaction formation (German: Reaktionsbildung) is a defense mechanism in which emotions and impulses which are...
Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical reactions in organisms. The three main functions of metabolism are: the conversion...
enzyme-catalysed chemical reactions. In enzyme kinetics, the reaction rate is measured and the effects of varying the conditions of the reaction are investigated...
rate of a chemical reaction due to an added substance known as a catalyst (/ˈkætəlɪst/). Catalysts are not consumed by the reaction and remain unchanged...
an endergonic reaction (from Greek ἔνδον (endon) 'within', and ἔργον (ergon) 'work'; also called a heat absorbing nonspontaneous reaction or an unfavorable...
also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions. It is different...
A reaction wheel (RW) is used primarily by spacecraft for three-axis attitude control, and does not require rockets or external applicators of torque....
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...
A reaction video, or a react video, is a video in which a person or multiple people react to something. Videos showing the emotional reactions or criticism...
standard enthalpy of reaction (denoted Δ H reaction ⊖ {\displaystyle \Delta H_{\text{reaction}}^{\ominus }} ) for a chemical reaction is the difference between...
cell, it is called an electrochemical reaction. Unlike in other chemical reactions, in electrochemical reactions electrons are not transferred directly...
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...
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...