3)△mixU=0 Ug=UB.m 4)△xS=-R∑nBLg>0 B 5)△ixG=RT∑maLna<0 △ixC-=∑nBGa-∑nGnB =∑s4:-∑ng(T) 1818 3）ΔmixU=0 UB UB,m 4）Δmix S= - R B B L B n nx > 0 5）Δmix G=RT B B L B n nx < 0 Δmix G=  B B m B B nB GB n G , = n n (T) B B  B B  B B   