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    				| 1. | A change in the free energy of a system at constant temperature and pressure will be: `Delta_(sys)G = Delta_(sys)H -T Delta_(sys)S` At constant temperature and pressure `Delta_(sys) G lt 0` (spontaneous) `Delta_(sys)G = 0` (equilibrium) `Delta_(sys)G gt 0` (non-spontaneous) For a system in equilibrium, `DeltaG = 0`, under conditions of constantA. Temperature and pressureB. Pressure and volumeC. Temperature and volumeD. Energy and volume | 
| Answer» `(DeltaG)_(T,P) = 0` | |