定压比热容c Specific heat at constant pressure 任意准静态过程4=p=dh- h是状态量,设h=f(7,P h- ch oh )2d7+()ndp aT ch 6g=(m)n+[()x-v定压 aT h h og OT/P P dTP aT/P定压比热容cp 任意准静态过程  q du pdv dh vdp = + = − h是状态量，设 h f T p = ( , ) p T ( ) ( ) h h dh dT dp T p   = +   p T ( ) [( ) ] h h q dT v dp T p     = + −   定压 p ( ) h q dT T    =  p p p ( ) ( ) q h c dT T   = =  Specific heat at constant pressure