ChE 330 Fall 2014
HW 1
Due: Sept 5 Friday
In this HW, you will learn to perform:
Steady state mass balance
Evaluation of ideal gas volumes
Use of steam tables (saturated vapor/liquid, compressed liquid,
superheated vapor) to evaluate steam properties.
ChE 330
Fall 2014
HW 7
Due: Monday Oct 27
Chapter 10
10.3
10.4 Dew & bubble temperature calculation. (Note this is high pressure so vapor
not ideal, use K values from DePriester charts (posted on Blackboard).
10.10 (c)
10.13 (a)
10.14 (a)
ChE 330
Fall 2014
Exam I
Know how to do the following for Exam I
Chapter 1
Apply mass balance
Apply Phase rule
Use steam tables to find property values (for 1 phase superheated
vapor, compressed liquid and for 2 phase mixture of V and L, and
the determ
ChE 330 Fall 2014
Exam I Part I Study list
Definitions & Concepts:
Chapter 1
System, closed system, open system, isolated system, intensive property,
extensive property, specific property, saturation condition, vapor pressure,
superheated vapor, compresse
ChE 330 Fall 2014
How to study for the test:
1.
Review items listed in the document : Know how to do for Exam I. Make sure you
know how to do everything on the list.
2.
Use the posted lecture notes as a guide to what topics are considered important from
e
ChE 330 Fall 2014
HW 3
Due: Friday Sept 19
1. This problem deals with energy balance in a reactive system.
Methanol is industrially synthesized by the following reaction:
2 H2 + CO = CH3OH
5 moles H2, 2 moles of CO and 1.5 mole CH3OHare placed initially i
ChE 330
Fall 2014
HW 4
Due: Sept 26
1. 5.2 (iv)
This is a steam Rankine cycle problem.
2. 5.9
This is a vapor compression refrigeration cycle using refrigerant R134a
(properties are in a p-H diagram in Appendix E-12).
3. 5.22
Safety is an extremely import
ChE 330
Chemical Engineering Thermodynamics
Course Description:
Elements of chemical engineering thermodynamics, including generalized correlation
of materials, phase behavior, physical and chemical equilibria.
Analysis and prediction of thermodynamic pro
ChE 330
Fall 2014
HW 2
Due: Sept 12
1. 2.3 In this problem, you learn how to apply the energy balance to a closed
system containing an ideal gas for 3 different processes.
2. 2.7 Here you compare the results when you use actual data and when you
assume id
ChE 330
Fall 2014
HW 4
Due: Sept 26
1. 5.2 (iv)
This is a steam Rankine cycle problem.
2. 5.9
This is a vapor compression refrigeration cycle using refrigerant R134a
(properties are in a p-H diagram in Appendix E-12).
3. 5.22
Safety is an extremely import
ChE 330
Fall 2014 HW 11
Due: Monday Dec 8
17.3 (perform calculation at T = 1400 C), use Ka chart.
17.14 (perform calculation for 750 K).
17. 15 (perform calculation at 750 K). At what temperature would the
deposition of C be a problem? At what P would thi
ChE 330
How to use Steam tables
There are 4 sets of tables in Appendix E.9 for steam:
Tables I and II are for saturated steam (saturated liquid and saturated vapor).
Here, we are on the vapor pressure curve where two phases (L +V) co-exist. Gibbs phase ru
ChE 330 Fall 2015
Know how to do the following for Exam I Part II
Chapter 1
Apply mass balance
Apply Phase rule
Use steam tables to find property values (for 1 phase superheated
vapor, compressed liquid and for 2 phase mixture of V and L, and
the deter
ChE 330
Fall 2015 HW 7
Due: Oct 15
1. 9.10 You are asked to alculate the fugacity using virial EOS. You need the
second virial coefficient B (see eqn. 7.7 7.9)
Also calculate using Lee-Kesler Tables.
2. 9.13 (c)
Also show on the same plot the predictions
ChE 330
Fall 2015
HW 6
Due Oct 8
1. 7.15
The Soave-Redlich-Kwong equation is a commonly used cubic equation of state, second in
popularity only to the Peng-Robinson Equation of state. In this problem, just derive the two
equations (7.66) given in the prob
ChE 330
1.
Fall 2015
HW 5
Due: Oct 4
6.11 (this is a follow up from HW 4 problem 6.10).
2.
7.2 option (iii) for n-butane:
(a) corresponding states, use Lee-Kesler Tables, not the charts
from your book
(b) PR equation of state, use software available on th
ChE 330 Fall 2015 HW 4
Due: Sept 24
1. 5.1(i)
This is a standard Rankine cycle problem using steam.
2. 5.10
This is a refrigeration cycle problem using propane (use p-H chart for
propane in Appendix).
3. 5.15
This problem is a Claude liquefaction process
ChE 330
Fall 2015
HW 3
Due: Sept 10
1. # 3.2
This problem deals with analysis of thermal efficiency of cyclic processes.
2. # 4.5
This problem estimates the potential to do work (this case destructive
work) of compressed gases.
3. # 4.14
This problem illu
ChE 330
Fall 2015
HW 2
Due: Sept 10
This HW is relatively long, so start early.
1. 2.4
In this problem, you learn how to apply the energy balance to a closed system
containing an ideal gas with constant Cp for 3 different processes.
2. 2.8 (i), (c) & (d).
ChE 330 Fall 2015
Exam I Part I
Terms and definitions:
Chapter 1
System, closed system, open system, isolated system, mass density, intensive
property, extensive property, specific property, saturation condition, vapor
pressure, superheated vapor, compres
ChE 330
Chemical Engineering Thermodynamics
Course Description:
Elements of chemical engineering thermodynamics, including generalized correlation
of materials, phase behavior, physical and chemical equilibria.
Analysis and prediction of thermodynamic pro
Step-by-step Guide to Solving ChE 330 Problems
Problem 2.24 in textbook
This is probably one of the more difficult problems in this part of the
course. So here is a guide to help you. You might try the problem
yourself without looking at this guide and se
ChE 330 Fall 2014
HW 1
Due: Sept 5 Friday
In this HW, you will learn to perform:
Steady state mass balance
Evaluation of ideal gas volumes
Use of steam tables (saturated vapor/liquid, compressed liquid,
superheated vapor) to evaluate steam properties.
4
4.17
Ti = 300 K, Tf = 800 K, and P = 1.0 bar i
CP (T ) = 29.088 - 0.192 10-2 T + 0.4 10-5 T 2 - 0.870 10-9 T 3
T f =800K
J mol K
dP CP (T ) dT = P P T T = 300K P =1
i i
z
Pf
z
Calculated final pressure Pf = 3.092 106 Pa.
T f =800K
Wrev =
Ti = 300K
z
CP