(1) / B (2) excess Gibbs free energy belonging to a binary mixture can be expressed by the Margules equation as follows: GE / RT = (1.40X1 + 0.60X2 )X1X2 Vapor pressure of components at 50 ° C: P1sat = 80 kpa , P2sat = 35 kpa
A (1) / B (2) excess Gibbs free energy belonging to a binary mixture can be expressed by the Margules equation as follows:
GE / RT = (1.40X1 + 0.60X2 )X1X2
Vapor pressure of components at 50 ° C: P1sat = 80 kpa , P2sat = 35 kpa
a) Based on the fact that the vapor phase exhibits the ideal gas behavior, calculate the bubble pressures and the compositions of the vapor phase in the case of the liquid phase having 0.25, 0.50 and 0.75 molar fractions for the vapor liquid phases in equilibrium at 50 ° C.
b)Assuming that the gas phase does not behave ideally but can be expressed with the virial state equation based on the Second Virial Coefficient, calculate the desired properties in part a) for the case x1 = 0.25, interpret the results.
DATA: B11=-950 cm3/mol , B22= -1500 cm3/mol , B12=50 cm3/mol
Trending now
This is a popular solution!
Step by step
Solved in 6 steps
