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ValentinkaMS [17]
2 years ago
14

What happens when a catalyst is used in a reaction?.

Chemistry
1 answer:
den301095 [7]2 years ago
6 0
A catalyst is a substance that increases the rate of a chemical reaction by lowering the activation energy without being used up in the reaction. After the reaction occurs, a catalyst returns to its original state and so catalysts can be used over and over again.
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