Physical Chemistry Solutions tHermodynamic Properties of Ideal solutions Standardstate For an ideal liquid solution, pure liquid i at t and p For an ideal solid solution, pure solid i at Tand P u;=ui(T, P)+RTIn xi ideal solution (9.41) 共1=1+RTnx deal solition (9.42) 1≡(T,P) ideal solution 9.43) The degree superscript denotes the standard state and the star superscript indicates a pure substanceThermodynamic Properties of Ideal solutions Solutions i i (T,P) RT ln xi ideal solution *  =  + (9.41) Standard States For an ideal liquid solution, pure liquid i at T and P For an ideal solid solution, pure solid i at T and P i i RT ln xi ideal solution *  =  + (9.42)* ( , ) ideal solution * i T P o i   (9.43)* The degree superscript denotes the standard state and the star superscript indicates a pure substance. Physical Chemistry