Partial molar quantities For any extensive properties in the Definition mixture,X=fT,P,nAngnc...) ■X:VS,U,H,A,G gP心 The partial molar quantities of a substance B in a mixture is the change in X per mole of B added to the mixture. 口For the mixture;X=∑ngXg≠∑ngXg 口S0,XB≠XB 16 PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn
16 For any extensive properties in the mixture, X=f(T,P,nA ,nB ,nC¼) , , ( ) B n C T P n B n X B X ¶ ¢ ¹ ¶ = n X：V,S,U,H,A,G Partial molar quantities n The partial molar quantities of a substance B in a mixture is the change in X per mole of B added to the mixture. n For the mixture ：X=ånBXB¹ånBXB * n So, XB¹XB * Definition PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn
The relations of partial molar quantities Definition:HB=Ug+PVB,AB=UB-TSB, GB-H8-TSB The fundamental equations: dUB-TdSB-PdVB,dHB=TdSB+VedP dAB=-SBdT-PdVB,dGB=-SBdT+VBdP Other relations: (OSB/OP)T=-(oVB/OT)P 17 PDF文件使用"pdfFactory Pro”试用版本创建，fineprint.com,cn
17 The relations of partial molar quantities • Definition:HB =UB+PVB ，AB =UB -TSB ， GB =HB -TSB • The fundamental equations： dUB =TdSB -PdVB ，dHB =TdSB+VBdP dAB=-SBdT-PdVB ，dGB=-SBdT+VBdP • Other relations: (¶SB /¶P)T =-(¶VB /¶T)P PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn Ì