△rG温(298.15K)=∑b△fG(B,phase,.298.15K) Vam'tHof等温式 △rGm(T)=△rG品(T)+RTInJ △rGm(T)=0,J=Ke 平衡时， △rG品(T)=-RTInke(T) > ArGm(T)=-RT Inke+RTInJ △：Gm(TD=-RT In9 J<Ke△rGm<0 The reaction will proceed in forward direction; J=K9△rGm=0 The reaction is at equili- brium; J>kerGm>0 The reaction will proceed in reverse direction. 若在两个不同温度下，则有 Van’t Hoff 等温式 平衡时， 若在两个不同温度下，则有