热力学基本方程 dG=-Sd7+p+∑/dma B 等温、等压条件下, (dG7=∑dhn1=∑vd5 B B OG (a) 05 ∑ BBuB 当2=1mol时: (△Gn)n= BAB B热力学基本方程 = − + + B dG SdT Vdp B dnB , B B B B B B ( )d d d G n T p = = B B (d d ) n = 等温、等压条件下, , B B B ( ) (a) T p G = 当 = 1 mol 时: r m , B B B (b) ( ) = G T p