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Raoult's law

Raoult's law

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 binary mixture of ethanol(1)/1-propanol(2) in a vessel at T = 86.85°C exists as saturated vapor and saturated liquid at equilibrium, with the vapor phase comprising 50.4% of the system. The composition of the vapor phase is y₁ = 0.317. Assuming Raoult's law is valid: a. What is the pressure P in the vessel? b. At least how much should the P in the vessel be, at the same T, for the entire binary mixture to be in the liquid phase? ethanol(1): 1-propanol(2): In Psat/kPa = A - B T/°C + C A = 16.8958 B = 3795.17 A = 16.1154 B = 3483.67 C = 230.918 C = 205.807
Transcribed Image Text:A binary mixture of ethanol(1)/1-propanol(2) in a vessel at T = 86.85°C exists as saturated vapor and saturated liquid at equilibrium, with the vapor phase comprising 50.4% of the system. The composition of the vapor phase is y₁ = 0.317. Assuming Raoult's law is valid: a. What is the pressure P in the vessel? b. At least how much should the P in the vessel be, at the same T, for the entire binary mixture to be in the liquid phase? ethanol(1): 1-propanol(2): In Psat/kPa = A - B T/°C + C A = 16.8958 B = 3795.17 A = 16.1154 B = 3483.67 C = 230.918 C = 205.807
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