四、理想气体混合物的比热容、热力学能、焓和熵 a.比热容 混=∑ .C. 混 混 C..=R nv b热力学能U混=∑U,UEm=x(2) c焓H=∑H1=1+p1)=∑U7+12p,=U+py=H2 h. 2H 2m, i=2(w h, d熵S=∑S.=∑m 混 混=EwS9 四、理想气体混合物的比热容、热力学能、焓和熵 a.比热容 C x C C C R c wc c x c m i mi mp mv i i i i =  − = =  =  混 混 混 ' ' b.热力学能 ( ) i i i i i w u m m u m U U U u =   混 =  混 = = c.焓 ( ) ( ) i i i i i i i i i i w h m m h m H m H h H H U p V U V p U pV H =   =  = = =  =  + =  +  = + = 混 混 混 混 d.熵 1kg i i i i i S S m s s w s 混 =  =  =  混