6.13 The pseudofirst-order rate constant for the decompos- ition of urea, CO(NH2)(aq) + 2 H2O(l) → 2 NH†(aq) + CO²¯(aq), is 1.2 × 107 s−1 at 60 °C and 4.6 × 10-7 s−1 at 70 °C. Estimate (a) the activation Gibbs energy and (b) the entropy of activa- tion of the reaction.

6.13 The pseudofirst-order rate constant for the decompos- ition of urea, CO(NH2)(aq) + 2 H2O(l) → 2 NH†(aq) + CO²¯(aq), is 1.2 × 107 s−1 at 60 °C and 4.6 × 10-7 s−1 at 70 °C. Estimate (a) the activation Gibbs energy and (b) the entropy of activa- tion of the reaction.

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

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Question

6.13: In addition to solving the problem please give brief explanation for concepts and solution if able.

6.13 The pseudofirst-order rate constant for the decompos-
ition of urea, CO(NH2)(aq) + 2 H2O(l) → 2 NH†(aq) + CO²¯(aq),
is 1.2 × 107 s−1 at 60 °C and 4.6 × 10-7 s−1 at 70 °C. Estimate
(a) the activation Gibbs energy and (b) the entropy of activa-
tion of the reaction.

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