(PLEASE ANSWER ASAP) What is defined as the energy required to start a chemical reaction?

A:precipitate energy

B:heat

C:reactant energy

D:activation energy

Respuesta :

Answer:

Option D. Activation energy

Explanation:

Activation energy is the minimum energy required to start a chemical reaction. For a reaction to occur, the reactants must possess energy equal or greater than the activation energy else the reaction will not occur.

Answer:

D.

Explanation:

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