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d. The activation energy of the reaction is 85 kJ/mol. Calculate the time required for [A2] to go from 0.100 M to 0.018 M at 398 K.

d. The activation energy of the reaction is 85 kJ/mol. Calculate the time required for [A2] to go from 0.100 M to 0.018 M at 398 K.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 99QRT
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please only answer 4D

4. The following reaction has rate constant of 0.0175 M-1.s-1 at 298 K. A2(g) → 2A(g) If the initial [A2] is 0.100 M, what is the initial rate of reaction at 298 K? b. If the initial [A2] is 0.100 M, what is [A2] after 450 s at 298 K? Calculate the first and second half-lives for the reaction at 298 K when the initial [A2] is 0.100 M. What is the [A2] at the first half-life? What is the [A2] at the second half-life? C. d. The activation energy of the reaction is 85 kJ/mol. Calculate the time required for [A2] to go from 0.100 M to 0.018 M at 398 K.
Transcribed Image Text:4. The following reaction has rate constant of 0.0175 M-1.s-1 at 298 K. A2(g) → 2A(g) If the initial [A2] is 0.100 M, what is the initial rate of reaction at 298 K? b. If the initial [A2] is 0.100 M, what is [A2] after 450 s at 298 K? Calculate the first and second half-lives for the reaction at 298 K when the initial [A2] is 0.100 M. What is the [A2] at the first half-life? What is the [A2] at the second half-life? C. d. The activation energy of the reaction is 85 kJ/mol. Calculate the time required for [A2] to go from 0.100 M to 0.018 M at 398 K.
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