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CRChem2Ch17VocabNew

QuestionAnswer
the step-by-step sequence of reactions by which the overall chemical change occurs reaction mechanism
species that appear in some steps but not in the net equation intermediate
reaction in whose reactants and products exist in a single phase homogeneous reaction
set of assumptions regarding collisions and reactions collision theory
the minimum energy required to transform the reactants into an activated complex activation energy
a transitional structure that results from an effective collision and that persists while old bonds are breaking and new bonds are forming activated complex
the change in the concentration of reactants per unit of time as the reaction proceeds reaction rate
the area of chemistry that is concerned with reaction rates and reaction mechanisms chemical kinetics
involve reactants in two different phases heterogeneous reaction
a substance that changes the rate of a chemical reaction without itself being permanently consumed catalyst
the action of a catalyst catalysis
a catalyst that is in the same phase as all the reactants and products in a reaction system homogeneous catalyst
a catalyst that is phase different from that of the reactants heterogeneous catalyst
the slowest-rate step for a chemical reaction rate-determining step
Created by: CRMissK