Which statement BEST describes the purpose of a catalyst in a chemical reaction?
A) to speed up the rate of the reaction
B) to lower the energy of the reactants
C) to slow down the rate of the reaction
D) to lower the energy of the products
E) to increase the activation energy of the reaction

Question

Quizplus · Accepted Answer

Catalysts speed up the rate of a chemical reaction by lowering the activation energy required for the reaction to proceed, but they do not alter the energy of the reactants or products themselves.

Which Statement BEST Describes the Purpose of a Catalyst in a Chemical