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A liquid mixture containing three components F, G and H is in equilibrium with a vapour phase in a closed container. The mole fractions of F, G and H in the liquid phase are 0.3, 0.3 and 0.4 respectively. The vapour pressures of pure F, pure G and pure H are 400 mmHg, 500

A liquid mixture containing three components F, G and H is in equilibrium with a vapour phase in a closed container. The mole fractions of F, G and H in the liquid phase are 0.3, 0.3 and 0.4 respectively. The vapour pressures of pure F, pure G and pure H are 400 mmHg, 500

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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A liquid mixture containing three components F, G and H is in equilibrium with a vapour phase in a closed container. The mole fractions of F, G and H in the liquid phase are 0.3, 0.3 and 0.4 respectively. The vapour pressures of pure F, pure G and pure H are 400 mmHg, 500 mmHg and 600 mmHg, respectively. (a) (b) Using Raoult's Law and Dalton's Law, calculate the total pressure of the vapour phase in mmHg and the mole fractions of the components in the vapour phase. Assuming that the temperature remains constant, if more F were added to the liquid phase, would the pressure of the vapour phase increase or decrease? Justify your answer.
Transcribed Image Text:A liquid mixture containing three components F, G and H is in equilibrium with a vapour phase in a closed container. The mole fractions of F, G and H in the liquid phase are 0.3, 0.3 and 0.4 respectively. The vapour pressures of pure F, pure G and pure H are 400 mmHg, 500 mmHg and 600 mmHg, respectively. (a) (b) Using Raoult's Law and Dalton's Law, calculate the total pressure of the vapour phase in mmHg and the mole fractions of the components in the vapour phase. Assuming that the temperature remains constant, if more F were added to the liquid phase, would the pressure of the vapour phase increase or decrease? Justify your answer.
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