Physical Chemistry Solutions Partial Molar Quantities The partial molar volume one- phase syst (9.7) T P Val e The partial molar volume is the slope of the graph of the total volume as the v(b) amount ofj is changed, P, T,amount of other components being constant Equation(9.6 )becomes x dT+ OT' P, n aP dP+∑vmn (9.8 T,nPartial Molar Quantities Solutions The partial molar volume . , , one phase syst n V V T P ni j j j −             (9.7)*  +         +        = i i i P n T n dP V dn P V dT T V dV i i , , (9.8) Equation (9.6) becomes Physical Chemistry V(a) V(b) x V The partial molar volumeis the slope of the graph of the total volume as the amount of j is changed, P, T, amount of other components being constant