1. A semi-batch distillation unit is filled with 150 mol of a 75 mol% benzene-25 mol% toluene mixture. At any given instant, the benzene mole fraction in the vapor flow rate, y, and the benzene mole fraction in the remaining liquid, x, are related by the equilibrium relation given below. Derive an equation relating the amount of liquid remaining in the still to the mole fraction of benzene in this liquid. 3.4х y = 1+ 1.4x

Introduction to Chemical Engineering Thermodynamics
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ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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1. A semi-batch distillation unit is filled with 150 mol of a 75 mol% benzene-25 mol%
toluene mixture. At any given instant, the benzene mole fraction in the vapor flow rate,
y, and the benzene mole fraction in the remaining liquid, x, are related by the
equilibrium relation given below. Derive an equation relating the amount of liquid
remaining in the still to the mole fraction of benzene in this liquid.
3.4x
y =
1+ 1.4x
Transcribed Image Text:(DUE DATE :) 1. A semi-batch distillation unit is filled with 150 mol of a 75 mol% benzene-25 mol% toluene mixture. At any given instant, the benzene mole fraction in the vapor flow rate, y, and the benzene mole fraction in the remaining liquid, x, are related by the equilibrium relation given below. Derive an equation relating the amount of liquid remaining in the still to the mole fraction of benzene in this liquid. 3.4x y = 1+ 1.4x
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