Volume of Mixing:Ideal Solution (2) S.J.T.U. Phase Transformation and Applications Similarly,the volume change upon mixing, &G =V and G -VW d(RTInxA)=V=0 LM=XAV+X8V8-0 -rel dp To summarize,for an ideal solution: GM=RT∑，Inx HM=0 Sw=-R∑x,lnx IM=0 SJTU Thermodynamics of Materials Spring 2007 ©X.J.Jin Lecture 11 Solution IPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2007 © X. J. Jin Lecture 11 Solution I Volume of Mixing: Ideal Solution (2) To summarize, for an ideal solution: V and P G T ⎟ = ⎠⎞ ⎜⎝⎛ ∂∂ rel A T rel A V PG = ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ 0 )ln( == rel A A V dP xRTd =+= 0 rel B B rel M A A VxVxV = ∑ i M ii ln xxRTG −= ∑ i M ii ln xxRS H M = 0 = 0 V M Similarly, the volume change upon mixing