Carbon may exist as diamond, graphite, and other allotropes. The standard Gibbs energy of formation of diamond is 2.900 kJ mol-1, greater than that of graphite at 298 K. Predict which of these two allotropes is the more stable at this temperature.

Carbon may exist as diamond, graphite, and other allotropes. The standard Gibbs energy of formation of diamond is 2.900 kJ mol-1, greater than that of graphite at 298 K. Predict which of these two allotropes is the more stable at this temperature.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section16.5: Entropy And The Second Law Of Thermodynamics

Problem 16.4PSP

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Question

Carbon may exist as diamond, graphite, and other allotropes. The standard Gibbs energy of formation of diamond is 2.900 kJ mol^-1, greater than that of graphite at 298 K. Predict which of these two allotropes is the more stable at this temperature.

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