Partial Molar Quantities (1) S.J.T.U. Phase Transformation and Applications The volume of the solution consisting of materials A and B,at constant temperature and pressure,is the function of the amount of A and the amount of B. V=V(nA,nB)T.P Volume is a point or state function av o ona).nd dn B 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 Partial Molar Quantities (1) PTBA nnVV , = ),( B B nPT A A nPT dn n V dn n V dV B A ,, ,, ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ + ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ = The volume of the solution consisting of materials A and B, at constant temperature and pressure, is the function of the amount of A and the amount of B. Volume is a point or state function