a non ideal mixture of components A and B exhibits an azeotrope at the composition Xa = Ya = 0.7. At this composition component A has an activity coefficient of 1.24 while component B has an activity coefficient of 3.24/ for computational simplicity, we will assume that the activity coefficients are well-fit by the single-costant Margules equations given. a) Find the activity coefficients for components A and B when these components are present in a nequimolar mixture. b)at 80 degrees C, pure component A has a saturation pressure oof 600 torr while pure component B has a saturation pressure of 400 torr. What will be the vapor pressure of the equimolar mixture of A and B described in part a) at 80 degrees C?
a non ideal mixture of components A and B exhibits an azeotrope at the composition Xa = Ya = 0.7. At this composition component A has an activity coefficient of 1.24 while component B has an activity coefficient of 3.24/ for computational simplicity, we will assume that the activity coefficients are well-fit by the single-costant Margules equations given. a) Find the activity coefficients for components A and B when these components are present in a nequimolar mixture. b)at 80 degrees C, pure component A has a saturation pressure oof 600 torr while pure component B has a saturation pressure of 400 torr. What will be the vapor pressure of the equimolar mixture of A and B described in part a) at 80 degrees C?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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a non ideal mixture of components A and B exhibits an azeotrope at the composition Xa = Ya = 0.7. At this composition component A has an activity coefficient of 1.24 while component B has an activity coefficient of 3.24/ for computational simplicity, we will assume that the activity coefficients are well-fit by the single-costant Margules equations given.
a) Find the activity coefficients for components A and B when these components are present in a nequimolar mixture.
b)at 80 degrees C, pure component A has a saturation pressure oof 600 torr while pure component B has a saturation pressure of 400 torr. What will be the vapor pressure of the equimolar mixture of A and B described in part a) at 80 degrees C?
Transcribed Image Text:Single constant Margules equation
2
Iny₁ = Ax, In Y = AX²
YB
Ax
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