P18C.2 The rates of thermal decomposition of a variety of cis- and trans- azoalkanes have been measured over a range of temperatures in order to settle a controversy concerning the mechanism of the reaction. In ethanol an unstable cis-azoalkane decomposed at a rate that was followed by observing the N, evolution, and this led to the rate constants listed below (P.S. Engel and D.J. Bishop, J. Amer. Chem. Soc. 97, 6754 (1975)). Calculate the enthalpy, entropy, energy, and Gibbs energy of activation at -20 °C. -24.82 -20.73 -17.02 -13.00 -8.95 10ʻ x k/5" 14.3 1.22 2.31 4.39 8.50

P18C.2 The rates of thermal decomposition of a variety of cis- and trans- azoalkanes have been measured over a range of temperatures in order to settle a controversy concerning the mechanism of the reaction. In ethanol an unstable cis-azoalkane decomposed at a rate that was followed by observing the N, evolution, and this led to the rate constants listed below (P.S. Engel and D.J. Bishop, J. Amer. Chem. Soc. 97, 6754 (1975)). Calculate the enthalpy, entropy, energy, and Gibbs energy of activation at -20 °C. -24.82 -20.73 -17.02 -13.00 -8.95 10ʻ x k/5" 14.3 1.22 2.31 4.39 8.50

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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