An equimolar solution of benzene and toluene is evaporated at a constant temperature of 90oC. What are the pressures at the beginning and end of the vaporization? Use the vapor pressure curves from the Figure, or use a process simulator. 10,0006,0004,0002,0001,000o Critical points600400Carbon dioxide200Triple point100Ethylene6040Ethane20Sulfur dioxide(Solid CO,)Water10MethanolPropane4Methyl chloridei-ButaneEthyl chloride0.60.4n-Butanei-Pentane0.2n-HeptaneAcetic AcidAcetone0.1-100n-PentaneEthanol-75п-НехапеToluene-Oc tane-иn-Propyl benzenen-De caneBenzene-50-25o-Xylene-255075Temperature, "E100150luulinbinluulwuul200250 300 350 400500 600 700 800ШALVapor pressure, Ib/sq in.2.NitrobenzeneDowtherm AMercuryППTTT

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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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An equimolar solution of benzene and toluene is evaporated at a constant temperature of 90^oC. What are the pressures at the beginning and end of the vaporization? Use the vapor pressure curves from the Figure, or use a process simulator.

10,000
6,000
4,000
2,000
1,000
o Critical points
600
400
Carbon dioxide
200
Triple point
100
Ethylene
60
40
Ethane
20
Sulfur dioxide
(Solid CO,)
Water
10
Methanol
Propane
4
Methyl chloride
i-Butane
Ethyl chloride
0.6
0.4
n-Butane
i-Pentane
0.2
n-Heptane
Acetic Acid
Acetone
0.1
-100
n-Pentane
Ethanol
-75
п-Нехапе
Toluene
-Oc tane-
и
n-Propyl benzene
n-De cane
Benzene
-50
-25
o-Xylene-
25
50
75
Temperature, "E
100
150
luulinbinluulwuul
200
250 300 350 400
500 600 700 800
ШAL
Vapor pressure, Ib/sq in.
2.
Nitrobenzene
Dowtherm A
Mercury
ППTTT

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