Chemical Engineering — Thermodynamics (2164)
Homework 1:} Bubble-Point Calculations
Question 1. For a 50:50 liquid mixture of H25 and benzene at 300 K, the measured equilibrium
pressure is 10.9 bar. U
Chem 2164 Homework 18 SOLUTION
Review of Power Generation: Cogeneraton/Landfill Gas
(1) Net Power = power produced by turbine plus power from compressor
!" !"# !"# !"# ! !"#
Chemical Engineering Thermodynamics (2164)
Homework 5
1(a).
High pressure steam at 4.0 MPa is used to drive an adiabatic turbine. It enters the
turbine at 500C and leaves at 200C. The exit pressure of
Heat Capacity / Specific Heat
How much heat do you need to change the
temperature of a substance?
Define:
dQ
C
dT
Q is a path function so C depends on the
path
1
Consider only pV work
1. Constant Volu
Thermo ChE 2164
Professor William Ducker
Randolph Hall 1.42A
[email protected]
Tel. 231 7869
See Syllabus
1
Thermo 2164
Thermodynamics is the study of the
transformation of energy into different
forms
e.
Chemical Engineering Thermodynamics (2164)
Homework 9
Joule-Thompson Coefficient and Real Engines
3. Illustration 5.2-2. An automobile air conditioner uses a vapor-compressi
Chemical Engineering Thermodynamics (2164)
Homework 10
1. In a manuscript submitted by a UVA student to the Virginia Tech Journal of Thermodynamic
Precision, the student claimed to have obta
Chemical Engineering Thermodynamics (2164)
Homework 8
1. The power required to heat a building to 22 C is 85,000 kJ/h when it is heated by
conventional resistive heating. What is the power required wh
Enthalpy
Heat and Work are path functions. It would be convenient to
have a state function that is similar to heat.
Trivial: U = Q + W. When W=0, U = Q
Heat is a state function when no work is done
De
First Law in a Closed System
Energy is Conserved
If we look at part of the world (the system ) and see
that the energy has changed, then we know that the
energy must have come from somewhere
system E
Chemical Engineering Thermodynamics (2164)
Homework 1
1: Units
(a) Convert the following pressures into units of Nm-2:
1.5 atm, 562 mmHg, 33.67 bar, 25 Torr, 2.6 Pa
2: Partial Derivatives
Recall that
Chemical Engineering Thermodynamics (2164)
Homework 4
A closed rigid, adiabatic container with a volume of 19.8 L is divided into two equal
portions by a membrane of negligible thickness, as shown in
Question 1 .
I "EQLIJEEQEE§"“f
%{C£qeﬂgcx7%- \Es
[Sandler 9.12]
Similar to Sandler Illustration 7.41. First use the “Peng
Robinson EOS" program from Sandler's CD to calculate the
molar volume, then
Your Name: UCKER
Virginia CHE 2164 THERIVIO
[WTech
w FINAL EXAM (MAKEUP)
2013
ll|I|l|l|l|I|l|Ill|l|l|l|l|l|l|l|l|l|ll
Allowed:
You can use your computer for calculations, and for looking at other mate
Your Name: DUQKER
V' inia CHE 2164 THERMO
@Tech
2 0 1 2
llll|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|l|ll
Allowed:
Open book exam. You may use a computer
Your wireless must be off for the entire exam.
EDUQK‘EYK
Virginia CHE 2164 THERMO
[MHTech
w EXAM 3 DEC 3, 2012
llllllllIllIllII"llllllllllllllllllllllllllllllllllllllllllllllIlllIIIlllllllllIIIlllllllllllllllll"llIIIIllllIIllIllllllI"IllIIIllllIIl
YOUR NAME:
Virginia CHE 2164 TH ERMO
“MITECh
w EXAM 3 Dec 1,2011
:
Conditions: Closed Book, 2h, steam tables provided, Table 6.2.1 is on page 1 8:2
Allowed: Calculator, 10 cm x 15 cm index card
Gas Co
YOUR NAME: D U LKEKZK
Virginia CHE 2164 THERMO
[WTECh
w EXAM 3 DEC 5,2012
:
Conditions: Closed Book, 2h, steam tables provided, you may use your computer
for calculations, e.g. excel, Sandler visual b
Homework 11_5 Fugacity of a Pure Substance
CHE 2164 William Ducker
(1) [Sandler 7.16] Calculate the Fugacity of Steam at 400C and 2.0 MPa
(a) Using the specific volume data in the steam tables.
(b) Us
Chemistry 3615
Final Exam
December 12, 2003
_
Name
Answer Sheet
Circle the Correct Letter. If you change your mind, completely erase the wrong answer if
you are using pencil. If you are using pen comp
Sandler Homework Problem 7.16 Solution
Fugacity of water at 400 C and 2 MPa
Data from Steam Tables at 400 C
1
f P exp
RT
RT
o V P dP
P
P
Constants
molar mass of water
0.018
R
8.31
Parameters
Tem
ChemicalEngineeringThermodynamics(2164)
Homework11
1. [Sandler 7.1a] Using the steam tables, establish that G(liquid) = G(vapor) for steam at 2.5
MPa and 224C
2. [Sandler 7.13] The following data have
D Q (:14: ER
i,» P4952:
Vlrglnia CHE 2164 THERMO
[MITech
W EXAM 3 DEC 4, 2014
Conditions: Closed Book, 2h, steam tables provided, you may use your calculator
or computer for calculations, e.g. excel,
Chemical Engineering — Thermodynamics (2164)
Homework 12 SOLUTIONS
Question 1:
(5) WV : VLS + VLVCOSB
so '.-’_‘.‘
(3:90"
(b) c058 must decrease, so vsv must decrease. Adsorb to the solid—va por interf
Your Secret Code: D toe/Km
Virginia CHE 2164 TH ERMO
@Tech
2014
Conditions: Closed Book, 2h, steam tables provided, you may use your calculator
FINAL EXAM (MAKEUP)
or computer for calculations, e.g. e