Question

Why is reaching activation energy necessary?

Answer 1

Activation energy is required for all chemical reaction including exothermic reactions,so activation energy is required.

Step-by-step explanation:

Reaching Activation energy is required so reactants can move together, overcome forces of repulsion and start breaking bonds.

Answer 2

Activation energy is required for all chemical reactions, including exothermic reactions.

Step-by-step explanation:

Reaching Activation energy is required so reactants can move together, overcome forces of repulsion, and start breaking bonds.