?A binary system of species 1 and 2 consists of vapor and liquid phases in equilibrium
Chapter 13, Problem 13.19(choose chapter or problem)
A binary system of species 1 and 2 consists of vapor and liquid phases in equilibrium at temperature T, for which \(\ln \gamma_{1}=1.8 x_{2}^{2}, \ln \gamma_{2}=1.8 x_{1}^{2}, P_{1}^{\text {sat }}=1.24\) bar, and \(P_{2}^{\text {sat }}=40.50\) kPa. Assuming the validity of Eq. (13.19),
(a) For what range of values of the overall mole fraction \(z_{1}\) can this two-phase system exist with a liquid mole fraction \(x_{1}=0.65\)?
(b) What are the pressure P and vapor mole fraction \(y_{1}\) within this range?
(c) What is the pressure and composition of the azeotrope at temperature T?
Text Transcription:
ln gamma_1=1.8 x_2^2, ln gamma_2=1.8 x_1^2, P_1^sat=1.24
P_2^sat=40.50
z_1
x_1=0.65
y_1
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