2.9 Entropy Changes(2) S.J.T.U. Phase Transformation and Applications 变化过程的 熵很重要， 所以要计算 H=△Hm △H= )dT Temperature S= dT Kdonuy △H, AS= P(S) Temperature SJTU Physical Chemistry of Materials Spring 2005 ©X.J.Jin Lecture 5 property relationPhase Transformation and Applications S. J. T. U. SJTU Physical Chemistry of Materials Spring 2005 © X. J. Jin Lecture 5 property relation 2.9 Entropy Changes (2) ∫ =Δ Tm T SP dT T C S 1 )( ∫ =Δ Tm T lP dT T C S 1 )( m m m T H S Δ =Δ Temperature Entropy ∫ =Δ Tm T SP dTCH 1 )( ∫ =Δ Tm T lP dTCH 1 )( Δ = ΔHH m Temperature Enthalpy 变化过程的 熵很重要， 所以要计算