Relative Partial Molar Quantities (1) S.J.T.U. Phase Transformation and Applications Mixing of A and B to form a solution,the volume changes: AVmixing =VM=Vfimnal -Vimitial VM is the volume change upon mixing: Vy nAvA+nBV B-naLa-nBLB Vy=na(VA-La)-nB(VB-LB) -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 乙醇和水溶液的水？ 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 Relative Partial Molar Quantities (1) 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 乙醇和水溶液的水？