P,V,Xi影响化学势 S.J.T.U. Phase Transformation and Applications 1,温度的影响 ∂G 29R =-S aT) ,xi 2,压力的影响 气相 aG RT =V L= dG=RTdln P aP P T,xi 3,组成的影响：偏摩尔Gibbs自由能 SJTU Thermodynamics of Materials Spring 2006 ©X.J.Jin Lecture 12 Solution IPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2006 © X. J. Jin Lecture 12 Solution I P, V, Xi影响化学势 S T G i xP ⎟ −= ⎠⎞ ⎜⎝⎛ ∂∂ , dT TC S P ∫ = 2980 0298 1，温度的影响 2，压力的影响 V P G i xT ⎟ = ⎠⎞ ⎜⎝⎛ ∂∂ , PRT V = 气相 = ln PRTdGd 3，组成的影响：偏摩尔Gibbs自由能