What inferences do you draw on the basis of the values of Gibbs free energy change? How is it related to the enthalpy and entropy changes of a system at constant temperature and pressure?

What is meant by free energy of a substance ? How is it related to its enthalpy and entropy?

How does entropy changes with a. Increase in temperature b. Decrease in pressure?

Identify the correct statement for change of Gibbs energy for a system (Delta_(sys)G) at constant temperature and pressure:

The relationship between the free energy change (DeltaG) and entropy change (DeltaS) at constant temperature (T) si

Identify the correct statement for change of Gibbs energy for a system (DeltaG_(system)) at constant temperature and pressure:

Gibbs free energy G, enthalpy H and entropy S are related as

How is standard free energy change related to equilibrium constant ?

Define the term standard free energy change (Delta G^(@)) . How is it related to the equilibrium constant K?

The Gibbs free energy change of a reaction at 27^(@)C is -26 Kcal. and its entropy change is -60 Cals/K. Delta H for the reaction is :-

The change in Gibbs free energy of the system along provides a criterion for the spontaneity of a process at constant temperature and pressure. A change in the free energy of a sytem at constant temperature and pressure will be: DeltaG_("system") = DeltaH_("system") - T DeltaS_("system") For a spontaneous reaction DeltaG , equilibrium constant K and E_("cell")^(0) will be respectively: