Thursday, January 12, 2012

What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?

INFO:

graphite: standard enthalpy = 0 %26amp; entropy=5.740

diamond :standard enthalpy = 1.897 %26amp; entropy=2.38



QUESTION:



What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?



Cdiamond ---%26gt; CgraphiteWhat is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?
Just u should know the formula

which is

DeltaG掳=DeltaH掳-TDeltaS掳=



And the Final Answer should be -2.9
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