Answered: Graphite and diamond are known…

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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Graphite and diamond are known allotropes of carbon, with graphite as the more stable form. The standard Gibbs free energy associated with the complete combustion of 1 mole of solid diamond is -397 kJ while that of 1 mole solid graphite is -394 kJ.
a) On the same potential energy diagram illustrate the energy differences in these conversions.
b) How much more stable is graphite than diamond, in kJ?
c) But we generally don't see diamond being converted to graphite. Account why is this so.

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