# Problem: 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. What can be said about the spontaneity of this reaction? Cdiamond → Cgraphite a) The reverse reaction is spontaneous at 298 K. b) The forward reaction is spontaneous at 298 K. c) The reaction is at equilibrium at 298 K.

###### FREE Expert Solution

Cdiamond → Cgraphite

$\overline{){\mathbf{\Delta G}}{{\mathbf{°}}}_{{\mathbf{rxn}}}{\mathbf{=}}{\mathbf{\Delta H}}{{\mathbf{°}}}_{{\mathbf{rxn}}}{\mathbf{-}}{\mathbf{T\Delta S}}{{\mathbf{°}}}_{{\mathbf{rxn}}}}$

###### Problem Details

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.

What can be said about the spontaneity of this reaction?

Cdiamond → Cgraphite

a) The reverse reaction is spontaneous at 298 K.

b) The forward reaction is spontaneous at 298 K.

c) The reaction is at equilibrium at 298 K.