【Daily Question】Theoretical Foundation 2019.5.5

2019-05-05View Original

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Multiple-choice question: The rate constant of a bimolecular reaction is k. According to the Arrhenius equation k=Aexp(-Ea/RT), if the experimental value of the pre-exponential factor is very small. This indicates that: ( ) A. The apparent activation energy is very high. B. The activation entropy has a large negative value in absolute terms. C. The activation entropy has a large positive value. D. The activation enthalpy has a large negative value in absolute terms. Answer: B Hint: The answer can be seen in the response

Reply #22019-05-05

B. The activation entropy has a relatively large negative absolute value

Reply #32019-05-05

B. The activation entropy has a relatively large negative absolute value

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【Daily Question】Theoretical Foundation 2019.5.5

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