Approximate Vapor–Liquid–Liquid Equilibrium.A mixture of 1,000 kmol of 75 mol% water and 25 mol% n-octane is cooled under equilibrium conditions at a constant pressure of 133.3 kPa from a temperature of 136oC to a temperature of 25oC.Determine: (a) the initial phase condition, and (b) the temperature, phase amounts, and compositions when each phase change occurs.Assume that water and n-octane are immiscible liquids. The vaporpressure of octane is included in Figure 2.3. 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

Given Initial phase conditions are T=136°C =276.8°F P=133.3 kPa =19.34 psia yH2O=0.75ynC8=0.25…

Answered: 10,000 6,000 4,000 2,000 1,000 o…

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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Approximate Vapor–Liquid–Liquid Equilibrium.
A mixture of 1,000 kmol of 75 mol% water and 25 mol% n-octane is cooled under equilibrium conditions at a constant pressure of 133.3 kPa from a temperature of 136^oC to a temperature of 25^oC.Determine: (a) the initial phase condition, and (b) the temperature, phase amounts, and compositions when each phase change occurs.Assume that water and n-octane are immiscible liquids. The vaporpressure of octane is included in Figure 2.3.

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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