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At 303 K, the vapour pressures of benzene (A) and toluene (B) are 15.75 kPa and 4.89 kPa respectively. Determine the partial pressures and weight composition of the vapour in equilibrium with a liquid mixture consisting of equal weights of the two components.

At 303 K, the vapour pressures of benzene (A) and toluene (B) are 15.75 kPa and 4.89 kPa respectively. Determine the partial pressures and weight composition of the vapour in equilibrium with a liquid mixture consisting of equal weights of the two components.

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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K.V.Narayanan book of thermodynamics 

Chapter 8 Unsolved problem 8.5

phases at this condition assuming that the mixture behaves ideally. The vapour pressure 8.8 Air is cooled to 80 K at 101.3 kPa. Calculate the composition of the liquid and vapour 8.4 The vapour pressures of benzene and toluene are given below. Т, К 353.1 358 363 368 373 378 383 383.6 P, kPa 101.3 116.9 135.4 155.7 179.1 204.2 233.0 240.0 P, kPa 39.6 46.0 54.0 63.3 74.2 86.0 99.0 101.3 6. Calculate the equilibrium data for the system at 101.3 kPa and formulate an equation for the equilibrium diagram in terms of average relative volatility. 8.5 At 303 K, the vapour pressures of benzene (A) and toluene (B) are 15.75 kPa and 4.89 kPa respectively. Determine the partial pressures and weight composition of the vapour in equilibrium with a liquid mixture consisting of equal weights of the two components. 8.6 An equimolar mixture of benzene and toluene is contained in a piston/cylinder arrangement at a temperature T. What is the maximum pressure below which the mixture exists as a vapour phase alone? At the given T, the vapour pressures of benzene and toluene are 203.9kPa and 85.3 kPa, respectively. Assume that Raoult's law is valid. 8.7 Two substances A and B are known to form ideal liquid solutions. A vapour mixture containing 50% (mol) A and 50% (mol) B is at 311 K and 101.3 kPa. This mixture is compressed isothermally until condensation occurs. At what pressure does condensaion occur and what is the composition of the liquid that forms? The vapour pressures oI A dne B are 142 kPa and 122 kPa respectively. 8.8 Air is cooled to 80 K at 101.3 kPa. Calculate the composition of the liquid and vape phases at this condition assuming that the mixture behaves ideally. The vapour plesse of nitrogen and oxygen at 80 K are 135.74 kPa and 30.04 kPa respectively.
Transcribed Image Text:phases at this condition assuming that the mixture behaves ideally. The vapour pressure 8.8 Air is cooled to 80 K at 101.3 kPa. Calculate the composition of the liquid and vapour 8.4 The vapour pressures of benzene and toluene are given below. Т, К 353.1 358 363 368 373 378 383 383.6 P, kPa 101.3 116.9 135.4 155.7 179.1 204.2 233.0 240.0 P, kPa 39.6 46.0 54.0 63.3 74.2 86.0 99.0 101.3 6. Calculate the equilibrium data for the system at 101.3 kPa and formulate an equation for the equilibrium diagram in terms of average relative volatility. 8.5 At 303 K, the vapour pressures of benzene (A) and toluene (B) are 15.75 kPa and 4.89 kPa respectively. Determine the partial pressures and weight composition of the vapour in equilibrium with a liquid mixture consisting of equal weights of the two components. 8.6 An equimolar mixture of benzene and toluene is contained in a piston/cylinder arrangement at a temperature T. What is the maximum pressure below which the mixture exists as a vapour phase alone? At the given T, the vapour pressures of benzene and toluene are 203.9kPa and 85.3 kPa, respectively. Assume that Raoult's law is valid. 8.7 Two substances A and B are known to form ideal liquid solutions. A vapour mixture containing 50% (mol) A and 50% (mol) B is at 311 K and 101.3 kPa. This mixture is compressed isothermally until condensation occurs. At what pressure does condensaion occur and what is the composition of the liquid that forms? The vapour pressures oI A dne B are 142 kPa and 122 kPa respectively. 8.8 Air is cooled to 80 K at 101.3 kPa. Calculate the composition of the liquid and vape phases at this condition assuming that the mixture behaves ideally. The vapour plesse of nitrogen and oxygen at 80 K are 135.74 kPa and 30.04 kPa respectively.
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