In which of the following cases, the reaction is spontaneous at all temperatures

In which of the following cases,the reaction is spontaneous at all temperature [A] Delta H>0,Delta S>0 ; [B] Delta H 0 ; [C] Delta H>0,Delta S<0

In which of the following cases is the reaction spontaneous at all temperatures?

In which of the following cases, reaction is spontaneous at all temperatures? (a) ΔH>0,ΔS>0 (b)ΔH 0 (c)ΔH<0,ΔS<0 (d)ΔH<0,ΔS=0

The a reaction to be spontaneous at all temperature

For a reaction to be spontaneous at all temperatures

A process is spontaneous at all temperatures when