Physical Chemistry Nonideal Solutions Models for Nonelectrolyte Activity Coefficients G C-W(T,P) PStn aGE RT yii an, )T,P, lj# (Problem 10.4 simple solution model RTInyig=Wxc, RTInyic=WxB,(10.31 Redlich-Kister equation Margules equation) G n+n =xBxCRT[A4+A2(x2-xc)+A3(x2-xc)2+…+A(x2-xc)" (103)Nonideal Solutions T P n j i i E I i n G RT            = , , , ln  simple solution model (10.32) (Problem 10.4) W (T, P) n n n n G B C E B C + = Models for Nonelectrolyte Activity Coefficients [ ( ) ( ) ( ) ] 2 1 1 2 3 − = + − + − + + − +  n B C B C B C n B C B C E E m x x RT A A x x A x x A x x n n G G  Redlich-Kister equation (Margules equation) Physical Chemistry ln , ln , 2 , 2 R T I,B = WxC R T I C = WxB   (10.31)