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 (AH₂) and the standard molar entropy (Sº) values for diamond and graphite. Part A Substance Cgraphite Cdiamond What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond →Cgraphite μA AGrxn= Value Submit Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) ΔΗ; (kJ/mol) Units 0 1.897 ? S° (J/mol.K) 5.740 2.38

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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 (Sº) values for diamond and graphite.
Part A
AGrxn=
What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?
Cdiamond →Cgraphite
Submit
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
O
Substance
Cgraphite
Cdiamond
μA
Value
AH (kJ/mol)
Units
0
1.897
?
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 (Sº) values for diamond and graphite. Part A AGrxn= What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond →Cgraphite Submit Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) O Substance Cgraphite Cdiamond μA Value AH (kJ/mol) Units 0 1.897 ? S° (J/mol. K) 5.740 2.38
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