For the mixture in #3, what will be the composition (mole fraction) in the first vapor? If you have an initial liquid with a mole fraction of A of 0.1, how many theoretical plates are necessary to prepare a mixture which is at least 50% (mole percent) of A?  If you have an initial liquid with a mole fraction of A of 0.1, how many theoretical plates are necessary to prepare a mixture which is at least 50% (mole percent) of C?

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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  1. For the mixture in #3, what will be the composition (mole fraction) in the first vapor?
  2. If you have an initial liquid with a mole fraction of A of 0.1, how many theoretical plates are necessary to prepare a mixture which is at least 50% (mole percent) of A?
  3.  If you have an initial liquid with a mole fraction of A of 0.1, how many theoretical plates are necessary to prepare a mixture which is at least 50% (mole percent) of C?
120
120
Compounds A and B
P=1 atm
110
110
100
100
90
90
80
80
70
70
04
Mole fraction of component A
0.0
0.2
0.6
0.8
1.0
115
115
110
110
Compounds C and D
P= 1 atm
105
105
100
100
so L
0.0
0.2
0.8
04
0.6
10
Mole fraction of component C
Temperature (C)
Temperature (C)
Transcribed Image Text:120 120 Compounds A and B P=1 atm 110 110 100 100 90 90 80 80 70 70 04 Mole fraction of component A 0.0 0.2 0.6 0.8 1.0 115 115 110 110 Compounds C and D P= 1 atm 105 105 100 100 so L 0.0 0.2 0.8 04 0.6 10 Mole fraction of component C Temperature (C) Temperature (C)
Step 5
(3)
Moles of A in the mixture, na = 1 mol
Moles of B in the mixture, ng = 4.0 mol
Calculate the mole fraction of A in the given binary
mixture as:
nA
XẠ =
NA +nB
1
1+4
= 0.2
Transcribed Image Text:Step 5 (3) Moles of A in the mixture, na = 1 mol Moles of B in the mixture, ng = 4.0 mol Calculate the mole fraction of A in the given binary mixture as: nA XẠ = NA +nB 1 1+4 = 0.2
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