14.71 A A reaction has a rate constant of 1.26×10−4 s−1s−1 at 27 ∘C ∘C and 0.226 s−1s−1 at 77 ∘C ∘C . Part ADetermine the activation barrier for the reaction.Express your answer in units of kilojoules per mole and with 3 significant figures.View Available Hint(s)Hν ΑΣφEa =kJ/mol

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14.71 A A reaction has a rate constant of 1.26×10−4 s−1s−1 at 27 ∘C ∘C and 0.226 s−1s−1 at 77 ∘C ∘C .

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter10: Radioactivity And Nuclear Processes

Section: Chapter Questions

Problem 10.14E

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Question

14.71 A A reaction has a rate constant of 1.26×10⁻⁴ s−1s−1 at 27 ∘C ∘C and 0.226 s−1s−1 at 77 ∘C ∘C .

Part A
Determine the activation barrier for the reaction.
Express your answer in units of kilojoules per mole and with 3 significant figures.
View Available Hint(s)
Hν ΑΣφ
Ea =
kJ/mol

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