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Study the potential energy diagram of a chemical reaction below:

"Chemical Kinetics." Wikipedia. Wikimedia Foundation, 5 Mar. 2016. Web. 20 Mar. 2016.

The red dotted line represents the new reaction pathway created by the addition of a catalyst.

Which of the following describes how the new reaction pathway works to speed up the reaction?


The presence of the catalyst provides two different pathways for the reactants to form products.


The catalyst lowers the activation energy required by the reaction, leading to a more stabilized transition state.


The catalyst lowers the heat of reaction, leading to a less stabilized transition state.


The catalyst alters the reactants, leading to an alternate energy pathway.

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