Question

What does a catalyst do to the activation energy of a chemical reaction?a.)lowers the activation energy to start the reactionb.)alters the chemical activity of one of the reactants

Answer 1

Explanation:

A catalyst is a substance that when we add it to a reaction it increases the reaction rate without being consumed. Tipically, catalyst speed up a reaction by lowering the activation energy.

Answer: a) lowers the activation energy to start the reaction.