What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond →→Cgraphite Express your answer to three significant figures and include the appropriate units.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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▾ Part A
What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?
Cdiamond →→Cgraphite
Express your answer to three significant figures and include the appropriate units.
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Transcribed Image Text:▾ Part A What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond →→Cgraphite Express your answer to three significant figures and include the appropriate units. View Available Hint(s) AGR Submit HÅ Value Units Sw ? Review
Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever. The table
shows the standard enthalpy of formation (AH) and the standard molar entropy (S°) values for diamond and graphite.
4
Part A
Substance
Cgraphite
Cdiamond
AH (kJ/mol)
0
1.897
Review | Constants | Periodic Table
S° (J/mol-K)
5.740
2.38
Transcribed Image Text:Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever. The table shows the standard enthalpy of formation (AH) and the standard molar entropy (S°) values for diamond and graphite. 4 Part A Substance Cgraphite Cdiamond AH (kJ/mol) 0 1.897 Review | Constants | Periodic Table S° (J/mol-K) 5.740 2.38
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