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Rasek [7]
3 years ago
9

I need help !!!!!!!!!!! Plz

Chemistry
1 answer:
pishuonlain [190]3 years ago
5 0

Answer: 1: B. It will speed up the reaction.

2: A. Increase the concentration of a reactant.

3: A. They act as catalysts.

4: C. A catalyst decreases the activation energy needed for a reaction.

5: D. collision theory.

Explanation: I just took the quiz:)

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