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Mariulka [41]
3 years ago
15

What must happen before a chemical reaction can begin?

Chemistry
2 answers:
vladimir2022 [97]3 years ago
8 0
Energy must be absorbed by the reactants Before a chemical reaction can start . <span>activation energy. is t</span>he amount that must be absorbed to start the reaction 
kompoz [17]3 years ago
7 0
I believe the correct response is A. The activation energy must be exceeded.
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