aP4→PA,PD→PD AGaRTLn KDm PD P b>au)网me C)PG→PG,PH→PH 同理：△G3=gRTLn PG+hRTLo PH 9 a) P ` A →PA ，P ` D →PD ΔG1 =aRTLn ` A A P P + dRTLn ` D D P P b）aA(PA )+dD(PD )⎯T ⎯,P ⎯`IR→gG(PG )+hH(PH ) Δ r Gm, 2 =0 c）PG →P ` G ，PH →P ` H 同理：ΔG3 = gRTLn G G P P ' + hRTLn H H P P