15:48:33 Relative Partial Molar Quantities S.J.T.U. Phase Transformation and Applications Page 10/46 Mixing of A and B to form a solution,the volume changes: AVmixing =VM =Vfimal -Vimitial VM is the volume change upon mixing: 混合前后容量性质变化 Vy =naVA+nBV B-naLa-nBLB Vy=na(VA-La)-nB(VB-LB) 网A-卫 The relative partial molar volume of A The partial molar volume of A in solution relative to the molar volume of pure A. -rel rel Vy =navA +nBVB SJTU Thermodynamics of Materials Spring2007©X.J.Jin Lecture 12 Solution IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2007 © X. J. Jin Lecture 12 Solution II Page 10/46 15:48:33 Relative Partial Molar Quantities Δ mixing M == final −VVVV initial AM A B B A A BVnVnVnVnV B −−+= )()( AM A A B B VVnVVnV B −−−= rel B B rel AM A += VnVnV Mixing of A and B to form a solution, the volume changes: VM is the volume change upon mixing: A A −VV The relative partial molar volume of A The partial molar volume of A in solution relative to the molar volume of pure A. rel V A 混合前后容量性质变化