Match the column
Column - IColumn - II(a)Reversible cooling of an ideal gas at(P)w=0; q<0; ΔU<0constant volume(b)Reversible isothermal expansion of an(Q)w<0; q>0; ΔU>0ideal gas(c)Adiabatic expansion of non-ideal gas into(R)w=0; q=0; ΔU=0vacuum(d)Reversible melting of sulphur at normal(S)w<0; q>0; ΔU=0melting point