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Partial and total vapor pressures for methanol (Component B) and water (Component C) solution at 40°C is given in the Figure 1 below. a) Determine the vapor pressures of pure methanol and water and show on the figure. b) Show the partial pressure of methanol (Pmeth), partial pressure of water (Pwat), and total pressure (Ptot) on the related curve of the figure. c) Determine/calculate the partial and total pressures of the solution containing 0.4 mole fraction of liquid methanol. d) What are the vapor phase compositions of methanol and water in equilibrium with a solution containing 0.4 mole fraction of liquid methanol. e) Determine the Henry Constants of methanol and water for their dilute solutions. f) Calculate the activity and activity coefficient_of Component B and Component C using Convention I and Convention II, when the solution has a mol fraction of (XB,liquid) 0.40. g) Make comments about the ideality of the solution.

Partial and total vapor pressures for methanol (Component B) and water (Component C) solution at 40°C is given in the Figure 1 below. a) Determine the vapor pressures of pure methanol and water and show on the figure. b) Show the partial pressure of methanol (Pmeth), partial pressure of water (Pwat), and total pressure (Ptot) on the related curve of the figure. c) Determine/calculate the partial and total pressures of the solution containing 0.4 mole fraction of liquid methanol. d) What are the vapor phase compositions of methanol and water in equilibrium with a solution containing 0.4 mole fraction of liquid methanol. e) Determine the Henry Constants of methanol and water for their dilute solutions. f) Calculate the activity and activity coefficient_of Component B and Component C using Convention I and Convention II, when the solution has a mol fraction of (XB,liquid) 0.40. g) Make comments about the ideality of the solution.

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
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I. NONIDEAL SOLUTIONS Partial and total vapor pressures for methanol (Component B) and water (Component C) solution at 40°C is given in the Figure 1 below. a) Determine the vapor pressures of pure methanol and water and show on the figure. b) Show the partial pressure of methanol (Pmeth), partial pressure of water (Pwat), and total pressure (Ptot) on the related curve of the figure. c) Determine/calculate the partial and total pressures of the solution containing 0.4 mole fraction of liquid methanol. d) What are the vapor phase compositions of methanol and water in equilibrium with a solution containing 0.4 mole fraction of liquid methanol. e) Determine the Henry Constants of methanol and water for their dilute solutions. f) Calculate the activity _and activity coefficient_of Component B and Component C using Convention I and Convention II, when the solution has a mol fraction of (XB,liquid) 0.40. g) Make comments about the ideality of the solution.
Transcribed Image Text:I. NONIDEAL SOLUTIONS Partial and total vapor pressures for methanol (Component B) and water (Component C) solution at 40°C is given in the Figure 1 below. a) Determine the vapor pressures of pure methanol and water and show on the figure. b) Show the partial pressure of methanol (Pmeth), partial pressure of water (Pwat), and total pressure (Ptot) on the related curve of the figure. c) Determine/calculate the partial and total pressures of the solution containing 0.4 mole fraction of liquid methanol. d) What are the vapor phase compositions of methanol and water in equilibrium with a solution containing 0.4 mole fraction of liquid methanol. e) Determine the Henry Constants of methanol and water for their dilute solutions. f) Calculate the activity _and activity coefficient_of Component B and Component C using Convention I and Convention II, when the solution has a mol fraction of (XB,liquid) 0.40. g) Make comments about the ideality of the solution.
400 350 300 250 200 150 100 50 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 Mole fraction of Methanol in liq., XMeth Fig. Q.I Partial and total vapor pressures for Methanol-Water solutions at 40°C Pressure (mmHg)
Transcribed Image Text:400 350 300 250 200 150 100 50 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 Mole fraction of Methanol in liq., XMeth Fig. Q.I Partial and total vapor pressures for Methanol-Water solutions at 40°C Pressure (mmHg)
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