Question

14. Which is the best explanation of activation energy?A. Heat is added to activate a reaction.B. Heat is released as the reaction proceeds.C. Heat is stored within the reactant molecules.

Answer 1

C. Heat is stored within the reactant molecules.

Step-by-step explanation:

Activation energy is the minimum energy required for a chemical reaction to occur.

This energy comes from the heat of each molecule, so the best explanation is: Heat is stored within the reactant molecules.