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English Translations » 【设计及技术圈】 » 【Daily Question】Theoretical Foundation 2019.4.12

【Daily Question】Theoretical Foundation 2019.4.12

2019-04-12 View 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. C. The activation entropy has a large positive value. D. The activation enthalpy has a large negative value. Answer: B Hint: The answer can be seen in the response
Reply #2 2019-04-12
B. The activation entropy has a relatively large negative absolute value
Reply #3 2019-04-12
B. The activation entropy has a relatively large negative absolute value
Reply #4 2019-04-12
【Daily Question】Theoretical Foundation, April 12, 2019: 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: (B) A. The apparent activation energy is very large. B. The activation entropy has a negative value with a large absolute value. C. The activation entropy has a large positive value. D. The activation enthalpy has a negative value with a large absolute value

Translated at 2026-07-21 03:22:27

Original: https://bbs.hcbbs.com/thread-2667512-1-1.html

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