In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs.
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Some articles on reaction mechanism:
... Diazonium reagent and SWNT reaction has a two step mechanism ... First, the diazonium reagent adsorbs noncovalently to an empty site on the nanotube surface, forming a charge-transfer complex ...
... The E1cB elimination reaction is a special type of elimination reaction in organic chemistry ... This reaction mechanism explains the formation of alkenes from (mostly) alkyl halides through a carbanion intermediate given specified reaction conditions ... The reaction takes place around a sp3 - sp3 carbon to carbon covalent bond with an α-acidic hydrogen atom substituent and a β-leaving group ...
... colliding molecular entities that are involved in a single reaction step ... A reaction involving one molecular entity is called unimolecular ... A reaction involving two molecular entities is called bimolecular ...
... In chemical kinetics, the elementary reactions are represented by the stoichiometric equations where are the components and are the stoichiometric coefficients ... Here, the reverse reactions with positive constants are included in the list separately ... this separation of direct and reverse reactions to apply later the general formalism to the systems with some irreversible reactions ...
... Christopher Ingold proposed a model to explain a peculiar type of chemical reaction the E2 mechanism ... The fundamental elements of the reaction are as follows One step mechanism in which carbon-hydrogen and carbon-halogen bonds break to form a double bond ... undergone by primary or secondary substituted alkyl halides The reaction rate, influenced by both the alkyl halide and the base (bimolecular), is second order ...
Famous quotes containing the words mechanism and/or reaction:
“A mechanism of some kind stands between us and almost every act of our lives.”
—Sarah Patton Boyle, U.S. civil rights activist and author. The Desegregated Heart, part 3, ch. 2 (1962)
“Sole and self-commanded works,
Fears not undermining days,
Grows by decays,
And, by the famous might that lurks
In reaction and recoil,
Makes flames to freeze, and ice to boil.”
—Ralph Waldo Emerson (18031882)