Physical Chemistry Chapter 6 Chemical potentials in an ideal gas mixture An ideal gas mixture (1)PV=n,orRT' Ideal gas mixture at 2)The mixture is separated by Tand p thermally conducting rigid membrane permeable to gas i only, and P=x, p P≡x.P membrane Pure gas po=1 bar mixture at and T (T,P2x12x2,…)=14(T,xP)=p1(T,P) Fig 6.2 ideal gas mixture (6.3)Chemical Potentials in an Ideal Gas Mixture Fig. 6.2 ( , , , , ) ( , ) ( , ) * * i 1 2 i i P i T Pi  T P x x  =  T x =  An ideal gas mixture Ideal gas mixture at T and P Pi  xi P * Pi Pure gas mixture at and T membrane (1) PV = ntotRT (2) The mixture is separated by thermally conducting rigid membrane permeable to gas i only, and Pi  xi P P bar o 1 ideal gas mixture (6.3) Physical Chemistry Chapter 6