Question

Select the correct answer.

How does activation energy affect a chemical reaction?
A.
It increases the energy of the reactants.
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B.
It determines how difficult it is to start the reaction.
c.
It determines how much product can form.
D.
It decreases the energy of the products.
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Answer 1

It determines how difficult it is to start the reaction.-B.

Answer 2

B. it determines how difficult it is to start the reaction