Free Energy and Temperature
?G?rxn = ?H?rxn - T ?S?rxn
Only the T ?S?rxn term is influenced by T!
Exercise 20.10. Is the reduction of magnesia, MgO, with carbon a product-favored process at 25?C? If not, at what temperature does it become so?
MgO(s) + C(graphite) ? Mg(s) + CO(g)