Partial Molar Quantities (3) S.J.T.U. Phase Transformation and Applications dy V adna +V Bdnp Intergrating along a special path in which the ratio of n and n remains constant. V =Vana+VBnB nA一+VBnA+nB V一=亚A4+nB nB na+nB V=VAXA+VBXB dy=V adx+V BdxB where xA and XB are the mole fractions of A and B in the solution,and V its molar volume. SJTU Thermodynamics of Materials Spring2o07©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 Partial Molar Quantities (3) A A += BnVnVV B BA B B BA A A BA nn n V nn n V nn V + + + = + A A B B += xVxVV A A B B += dxVdxVVd Intergrating along a special path in which the ratio of nA and nB remains constant. A A B B += dnVdnVdV where xA and xB are the mole fractions of A and B in the solution, and V its molar volume