CHAPTER 9 MIXTURES
9.3 GASMIXTURES 243
When we equate these two expressions for^0 i ^00 i, divide both sides byRT, subtract the
identity
ln
p^0
p^00
D
Zp 0
p^00
dp
p
(9.3.15)
and take the ideal-gas behavior limitsp^00! 0 andfi^00 !yip^00 D.p^0 i=p^0 /p^00 , we obtain
ln
fi^0
p^0 i
D
Zp 0
0
Vi
RT