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What is the effect of high activation energy on a chemical reaction?

A. It reduces the potential energy of the reactants.
B. It reduces the potential energy of the products.
C. It makes the reaction produce more energy.
D. It makes the reaction harder to start.
E. It makes the reaction endothermic.



Answer :

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Final answer:

High activation energy in a chemical reaction presents a barrier that reactants must overcome, impacting the reaction rate.


Explanation:

High activation energy in a chemical reaction means that the reaction requires more energy to start. It acts as a barrier that reactants must overcome to form products. For example, iron rusting is a slow reaction due to its high activation energy, making the reaction slow.


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