A.2.531J/K B.5.622J/K C.25.31J/K D.56.22J/K
A.ΔG=19.16 J B.ΔG<19.16 J C.ΔG>19.16 J D.ΔG=0
A.ΔrU=0,ΔrH=0,ΔrS>0,ΔrG<0 B.ΔrU<0,ΔrH<0,ΔrS>0,ΔrG<0 C.ΔrU=0,ΔrH>0,ΔrS>0,ΔrG<0 D.ΔrU>0,ΔrH>0,ΔrS=0,ΔrG>0