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A vapour-liquid mixture of water (1) and furfural CSHAO2 (2) is °C. Under these conditions, it is found that x1 = 0.10 and y1 = 0.81. The temperature of the mixture is changed to 100.6 °C, and some (but not all) of the vapour condenses. The vapour phase may be assumed to behave as an ideal gas. The liquid-phase activity coefficients are independent of temperature but vary with concentration according to the van Laar equations. Determine: (a) The activity coefficients for water and furfural at 1.013 bar and 109.5 °C [9% ) (b) The van Laar constants [6%] Vapour pressure data: T=100 6°C. Pal -1.0352 bar, Pal -0.1193 bar

A vapour-liquid mixture of water (1) and furfural CSHAO2 (2) is °C. Under these conditions, it is found that x1 = 0.10 and y1 = 0.81. The temperature of the mixture is changed to 100.6 °C, and some (but not all) of the vapour condenses. The vapour phase may be assumed to behave as an ideal gas. The liquid-phase activity coefficients are independent of temperature but vary with concentration according to the van Laar equations. Determine: (a) The activity coefficients for water and furfural at 1.013 bar and 109.5 °C [9% ) (b) The van Laar constants [6%] Vapour pressure data: T=100 6°C. Pal -1.0352 bar, Pal -0.1193 bar

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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Question 3 A vapour-liquid mixture of water (1) and furfural CSH4O2 (2) is maintained at 1.013 bar and 109.5 °C. Under these conditions, it is found that x1 = 0.10 and y1 = 0.81. The temperature of the mixture %3D is changed to 100.6 °C, and some (but not all) of the vapour condenses. The vapour phase may be assumed to behave as an ideal gas. The liquid-phase activity coefficients are independent of temperature but vary with concentration according to the van Laar equations. Determine: (a) The activity coefficients for water and furfural at 1.013 bar and 109.5 °C [9%] (b) The van Laar constants [6% ] Vapour pressure data: T=1006°C, Pa =1.0352 bar, Pl= 0.1193 bar T=109.5°C, Psal -14088 bar, Pal -0.1690 bar %3D
Transcribed Image Text:Question 3 A vapour-liquid mixture of water (1) and furfural CSH4O2 (2) is maintained at 1.013 bar and 109.5 °C. Under these conditions, it is found that x1 = 0.10 and y1 = 0.81. The temperature of the mixture %3D is changed to 100.6 °C, and some (but not all) of the vapour condenses. The vapour phase may be assumed to behave as an ideal gas. The liquid-phase activity coefficients are independent of temperature but vary with concentration according to the van Laar equations. Determine: (a) The activity coefficients for water and furfural at 1.013 bar and 109.5 °C [9%] (b) The van Laar constants [6% ] Vapour pressure data: T=1006°C, Pa =1.0352 bar, Pl= 0.1193 bar T=109.5°C, Psal -14088 bar, Pal -0.1690 bar %3D
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