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The laboratory division of your company has sent you the following data for the system n-propanol (1) and water (2) at 100 °C. A plot of the activity coefficients for this system at 100°C follows. The Lewis/Randall reference state is chosen for both species. The mole fraction of n-propanol in the liquid, x1, is 0.3, and the temperature is 100°C. The saturation pressure of n-propanol at 100°C is 1.12 bar and 1.013 bar for water. a) Draw and label the curve that corresponds to the activity coefficient for n-propanol, yı, and the curve that corresponds to the activity coefficient for water, y2. Explain. b) Into what type of non-ideal behaviour falls this system? c) Find the total pressure of the system. Clearly state the assumptions. (10) (2) (8) d) Does this system exhibit an azeotrope? Explain. (5) c) Estimate the value of the Henry's law constant of n-propanol in water. (5)

The laboratory division of your company has sent you the following data for the system n-propanol (1) and water (2) at 100 °C. A plot of the activity coefficients for this system at 100°C follows. The Lewis/Randall reference state is chosen for both species. The mole fraction of n-propanol in the liquid, x1, is 0.3, and the temperature is 100°C. The saturation pressure of n-propanol at 100°C is 1.12 bar and 1.013 bar for water. a) Draw and label the curve that corresponds to the activity coefficient for n-propanol, yı, and the curve that corresponds to the activity coefficient for water, y2. Explain. b) Into what type of non-ideal behaviour falls this system? c) Find the total pressure of the system. Clearly state the assumptions. (10) (2) (8) d) Does this system exhibit an azeotrope? Explain. (5) c) Estimate the value of the Henry's law constant of n-propanol in water. (5)

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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The laboratory division of your company has sent you the following data for the system n-propanol (1) and water (2) at 100 °C. A plot of the activity coefficients for this system at 100°C follows. The Lewis/Randall reference state is chosen for both species. The mole fraction of n-propanol in the liquid, x1, is 0.3, and the temperature is 100°C. The saturation pressure of n-propanol at 100°C is 1.12 bar and 1.013 bar for water. a) Draw and label the curve that corresponds to the activity coefficient for n-propanol, yı, and the curve that corresponds to the activity coefficient for water, y2. Explain. b) Into what type of non-ideal behaviour falls this system? c) Find the total pressure of the system. Clearly state the assumptions. (10) (2) (8) d) Does this system exhibit an azeotrope? Explain. (5) c) Estimate the value of the Henry's law constant of n-propanol in water. (5)
Transcribed Image Text:The laboratory division of your company has sent you the following data for the system n-propanol (1) and water (2) at 100 °C. A plot of the activity coefficients for this system at 100°C follows. The Lewis/Randall reference state is chosen for both species. The mole fraction of n-propanol in the liquid, x1, is 0.3, and the temperature is 100°C. The saturation pressure of n-propanol at 100°C is 1.12 bar and 1.013 bar for water. a) Draw and label the curve that corresponds to the activity coefficient for n-propanol, yı, and the curve that corresponds to the activity coefficient for water, y2. Explain. b) Into what type of non-ideal behaviour falls this system? c) Find the total pressure of the system. Clearly state the assumptions. (10) (2) (8) d) Does this system exhibit an azeotrope? Explain. (5) c) Estimate the value of the Henry's law constant of n-propanol in water. (5)
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