For a reversible spontaneous change, `Delta S` is _________ .

In a reversible adiabatic change Delta Q is

In a reversible adiabatic change Delta Q is

For a spontaneous reaction, Delta G should be :

For an isothermal reversible phase transition process , Delta S is

Statement-1: For a process to be spontaneous, Delta G as well as Delta S has to be less than zero. Statement-2 : For spontaneous change, Delta S_("total") gt 0

For an exothermic reaction to be spontaneous ( Delta S = negative)

For an exothermic reaction to be spontaneous ( Delta S = negative)

In a reversible process, the value of Delta S _(sys) + Delta S_(surr) is