ChE 381
Fall 2012
Homework #1, due Wed August 29th
Updated Tuesday 8/21/12 10:30am
This assignment covers chapters 2 and 4.
Individual:
1. A well-insulated steel tank (5 kg) filled with 40 kg of 200C
ChE 381 Exam 1
February 7, 2011
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ChE 381
Homework #9
Due at the beginning of class 11/14/12
Office Hours: Tues 1-2, Wed 9-10. Out of town and largely inaccessible on Thurs; limited email access.
GROUP:
1. Given the following VLE data
ChE 381 Extra Credit
The 2 books I compared was Essential Thermodynamics by Athanassios Z.
Panagiotopoulos (2011) and my current thermodynamics text book Introduction to
Chemical Engineering Thermodyn
ChE 381
Homework #7
Due at the beginning of class 10/24/12
GROUP:
1. Given the following mixtures of ethane, propane, isobutane, isopentane:
(a) A liquid that is 10% ethane, 20% propane, 30% isobutane
ChE 381
Homework #6
Due at the beginning of class 10/17/12
INDIVIDUAL:
1. Find a paper in the scientific literature describing the use of an entrainer to improve VLE-based
separation. Google scholar a
ChE 381
Homework #6
Due at the beginning of class 10/17/12
GROUP:
1. Generate a Pxy diagram for a mixture of methanol (MeOH) and methyl acetate (MA) at 318.15K and
a Txy diagram at 101.33kPa (a) assum
ChE 381
Homework #5
Due 10/3/12
GROUP:
1. Syngas is produced by biomass gasification.
http:/www.iowastatedaily.com/news/article_1066b918-539c-566e-8404-259499f71ebe.html
http:/www.iprt.iastate.edu/new
ChE 381
Homework #4
Due 9/26/12
Group
1. Superheated steam at 400psia and 5000F is expanded in a well-insulated turbine with an outlet
pressure of 100psia, surrounding temperature 950F. Assuming that
ChE 381 Exam 2
February 28, 2011
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ChE 381 Exam 4
May 4, 2011
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Lecture 25: Mon Oct 29th, 2012
Review for Exam 3
Points for review:
- VLE: Modified Raoults Law, DePriester charts
- Derivation of chemical potential m, application to multi-phase equilibria
- Definit
Review for Exam 4
Standard exam format, but twice the time. I expect you to be able to
provide more detail, look up parameters on your own. Bring your textbook!
Old exams posted; note that VLLE was no
ChE 381 Exam 4
December 14, 2011
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ChE 381 Exam 4
May 4, 2011
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ChE 381 Exam 3
November 9, 2011
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ChE 381 Exam 3
April 1, 2011
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ChE 381 Exam 2
October 11, 2011
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ChE 381 Exam 1
September 16, 2011
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ChE 381 Fall 2012 Unit 2 Study Guide
You should be prepared to:
1. Derive the four fundamental property equations, show how they are used to derive the
four Maxwell Relations and explain how these equ