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 

ΔG°rxn=ΔH°rxn-TΔS°rxn


ΔH°rxn=ΔH°f, prod-ΔH°f, react

96% (432 ratings)
View Complete Written Solution
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.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Gibbs Free Energy concept. You can view video lessons to learn Gibbs Free Energy. Or if you need more Gibbs Free Energy practice, you can also practice Gibbs Free Energy practice problems.