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Serga [27]
3 years ago
7

What must happen before a chemical reaction can begin?

Biology
2 answers:
Nitella [24]3 years ago
3 0
The answer should be <span>The activation energy must be reached.</span>
ankoles [38]3 years ago
3 0

Answer:

The reactants need to reach activation energy.

Explanation:

For a chemical reaction there need to be:

1.- The reactants ( the elements or compounds that are going to react).

2.- The activation energy (the necessary energy to start changing the matter in the interchange of atoms among the reactants).

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<h3>What is a scientific theory?</h3>

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