The amount of energy that must be supplied to start a chemical reaction is called the

Question

Quizplus · Accepted Answer

The amount of energy required to start a chemical reaction is known as activation energy, therefore option D is the correct answer. The other options - heat of reaction, heat of fusion, and heat of vaporization, all refer to different types of energy changes in a substance but are not directly related to the energy required to initiate a reaction.

The Amount of Energy That Must Be Supplied to Start