A catalyst increases the rate of a reaction by
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A catalyst increases the rate of a reaction by |
Answer
changing the mechanism of the reaction.
Explanation
A catalyst speeds up a chemical reaction without being consumed by the reaction. It lowers the activation energy for a reaction, allowing the products to form in a relatively shorter time than a reaction that proceeds without a catalyst. Catalyst can also speed up a reaction by changing the reaction mechanism. Catalysts provide an alternative reaction mechanism with lower activation energy and at times the mechanism may have additional steps.
"Catalysts affect the rate of a chemical reaction by altering its mechanism to provide a lower activation energy" (Rice University, 2016).
References
Rice University. (2016). 12.7 catalysis - Chemistry. BCcampus Open Publishing - Open Textbooks Adapted and Created by BC Faculty. https://opentextbc.ca/chemistry/chapter/12-7-catalysis/
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