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Problem 1. A binary solution containing species (a) and (b) is sent to a Flash Chamber operating at 345K at steady state. a) Determine the equilibrium composition of the vapor (ya) and the pressure in the Flash Chamber if the mole fraction of species (a) in the feed is 0.35, and the mole fraction of species (a) in the liquid phase is 0.25. b) Estimate the fraction of the vapor phase formed. You can assume the vapor phase to be ideal mixture of ideal gasses and that one - constant Margules equation can be used to account for the non-ideality of the liquid phase. Data: At temperature T= 345K saturation pressures for species (a) and (b) are 73.12 kPa and 32.1 kPa, respectively and the constant in the Margules equation A= 0.67.

Problem 1. A binary solution containing species (a) and (b) is sent to a Flash Chamber operating at 345K at steady state. a) Determine the equilibrium composition of the vapor (ya) and the pressure in the Flash Chamber if the mole fraction of species (a) in the feed is 0.35, and the mole fraction of species (a) in the liquid phase is 0.25. b) Estimate the fraction of the vapor phase formed. You can assume the vapor phase to be ideal mixture of ideal gasses and that one - constant Margules equation can be used to account for the non-ideality of the liquid phase. Data: At temperature T= 345K saturation pressures for species (a) and (b) are 73.12 kPa and 32.1 kPa, respectively and the constant in the Margules equation A= 0.67.

Introduction to Chemical Engineering Thermodynamics
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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Book: Introduction to Chemical Engineering Thermodynamics 8 edition, 2018 (Smith, J.M., Van Ness, H.C., Abbot, M.M., Swihart.)

### Problem 1 A binary solution containing species (a) and (b) is sent to a Flash Chamber operating at 345K at steady state. **a)** Determine the equilibrium composition of the vapor (\(y_a\)) and the pressure in the Flash Chamber if the mole fraction of species (a) in the feed is 0.35, and the mole fraction of species (a) in the liquid phase is 0.25. **b)** Estimate the fraction of the vapor phase formed. You can assume the vapor phase to be an ideal mixture of ideal gases and that a one-constant Margules equation can be used to account for the non-ideality of the liquid phase. **Data:** At temperature \(T = 345 \, K\), - Saturation pressures for species (a) and (b) are \(73.12 \, kPa\) and \(32.1 \, kPa\), respectively. - Constant in the Margules equation \(A = 0.67\).
Transcribed Image Text:### Problem 1 A binary solution containing species (a) and (b) is sent to a Flash Chamber operating at 345K at steady state. **a)** Determine the equilibrium composition of the vapor (\(y_a\)) and the pressure in the Flash Chamber if the mole fraction of species (a) in the feed is 0.35, and the mole fraction of species (a) in the liquid phase is 0.25. **b)** Estimate the fraction of the vapor phase formed. You can assume the vapor phase to be an ideal mixture of ideal gases and that a one-constant Margules equation can be used to account for the non-ideality of the liquid phase. **Data:** At temperature \(T = 345 \, K\), - Saturation pressures for species (a) and (b) are \(73.12 \, kPa\) and \(32.1 \, kPa\), respectively. - Constant in the Margules equation \(A = 0.67\).
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