For a system at 300 K, change in enthalpy is 40kJ.mol-1 and change in entropy is 200J.K-1.mol-1. Gibbs free energy of the system at that temperature will be
-20J/mole
+20J/mole
-20kJ/mole
+20kJ/mole
∆G=∆H-T∆S; ∆G=40kJ.mol-1-300K0.2kJ.K-1mol-1; ∆G=-20kJ/mole