Describe how the entropy change in the system and the surroundings are embedded in the formation of G. ALSO, Evaluate delta G for a doubline of volume (expansion) of 1 mole of ideal gas isothermally
Explanation / Answer
Gibbs Free Energy, ?G = ?H - T?S.. ?G = 0 --> equilibrium condition.. ?G < 0 --> spontaneous reaction... ?G > 0 --> non-spontaneous reeaction The greater entropy term, it will naturally make ?G to lower, hence ?G may lower than zero.... ?G = (Hf-Hi) - T(Sf-Si)..... For spontaneous reaction ?H < 0 and ?S > 0, Hf-Hi < 0..... Hf 0 Sf > Si.... If ?H > 0 and ?S > 0, then it preferable to have higher temperature, T.....