Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Fall 2013
Name_ ID #_
Chemistry 3501 / 5501
Exam I
Write your name and ID# on each of the six exam pages.
Answer 4 of the 5 questions. Indicate in the scoring box (below, on left) which question you do not want
graded using X where a score should be( X) otherwise t
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2013
Physical Constants: For this exam use the following approximations,
h = 7 1034 J s
NA = 6 1023 mol1
kB = 1.4 1023 J K1
kB = 2 cm1 K1
3
1
1
R = 8 J mol K
R = 8 102 dm3 bar mol1 K1
c = 3 108 m s1
=3
e=3
Useful mathematical expressions,
1/2
2
dx ex =
4
0
1
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2013
Homework 7
CHEM 4501
(SOLUTIONS)
1. (McQuarrie and Simon 211) First, write the total dierential of H as a function of T
and P :
H
H
dT +
dP
dH =
T P
P T
Equation 21.6 gives dH = T dS + V dP . Equate this to the total dierential above:
H
T
T dS + V dP =
H
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Multiple Choice Questions (5 points for each correct answer).
Fill your answer on the bubble sheet, and one answer only.
1. For a spontaneous (irreversible) process, the internal energy change is
(A). positive (B). negative
(C). zero impossible to tell
(E
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Third MidTerm Exam
Phys. Chem. I: Thermodynamics
Wednesday, April 18, 2012 (11:15 am  12:05 pm)
This exam consists of 10 multiple choice questions and 4 short answer questions for
a total of 100 pts. Read the instructions carefully and answer concisely.
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Second MidTerm Exam
Phys. Chem. I: Thermodynamics
Friday, March 30, 2012 (11:15 am  12:05 pm)
This is a close book exam, no texts, notes, or any other studying aid materials. You may
use a calculator, programmable or otherwise, during the exam. You cann
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
First MidTerm Exam (Chem4501)
Phys. Chem. I:a Thermodynamics
Wednesday, February 13, 2012 (11:15 am  12:05 pm)
The exam consists of two parts. This exam contains a total of 20 multiple choice
questions (5 points each, 100 points total).
This is a close
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chemistry 4501
Thermodynamics and Chemical Kinetics
Monday, Wednesday and Friday, 11:15 am 12:05 pm
Room 220, Science Teaching & Student Services (STSS)
Spring Semester, 2015
Instructor:
Professor Jiali Gao, 241A Smith Hall, 6250769, jgao@umn.edu (a sub
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 20. The second law of thermodynamics (February 2325, 2015 Lecture)
You probably have realized that in fact, I did not use the second law of thermodynamics
nor the entropy when we discuss the Carnot cycle. Now, lets take a look at this example
aga
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Final Exam (200 + 10 points)
Phys. Chem. I Thermodynamics and Kinetics
Tuesday, May 8, 2012 (10:30 am  12:30 pm)
This exam consists of 40 multiple choice questions for 200 pts. Read the instructions
carefully and answer concisely.
This is a close book ex
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 19, The First Law of Thermodynamics
(Feb. 11, 2015 Lecture)
Thermodynamics is the study of the properties and the relationship between heat
and other forms of energy, such as work, of an equilibrium system.
Thermodynamics is based on three fundame
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 19.
J. Gao
(February 16, 2015 Lecture)
(6). Thermochemistry Heats of Formation
The standard enthalpy of reaction of a chemical reaction, denoted by
, is the
enthalpy change associated with one mole of a specific reagent that is transformed by a
ch
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 20. The Second Law of Thermodynamics
(February 18, 2015 Lecture)
The first law of thermodynamics states that the energy of an isolated system is conserved.
During a process when heat and work are exchanged between the system and its
surrounding, t
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 19.
(3). Enthalpy
J. Gao
(February 13, 2015 Lecture)
If only pressurevolume work is involved in a process from an initial state 1 to a final
state 2, the first law of thermodynamics can be written as
V
DU = q + w = q  V 2 PdV
1
There are two pos
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 18. Partition Functions of Ideal Gas
(February 1, 2015 Lecture)
(1). Decomposition of molecular partition function into its degrees of freedom.
A molecule can undergo translational motions in space, which may be represented
by the coordinates of t
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 17. Boltzmann and Partition Functions
(January 26, 2015 Lecture)
In a quantum world, which is the real world, the energy states of all systems of atoms and
molecules are quantized. As the size of the system increases, many states may have the
same
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 16. The Properties of Gases
(January 21, 2015 Lecture)
Although you have learned about the properties of gases in general chemistry and
although these properties are not the main subject of this course, the results and concepts
are used throughout
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 17. Boltzmann and Partition Functions
(January 2839, 2015 Lecture)
(4). The partition function of a system of independent, indistinguishable molecules.
As we have discussed above, in a canonical ensemble, when the molecules are
independent, and d
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Chapter 18. Partition Functions
(February 4,6, 2015 Lecture)
(5). Examples.
Example 171 (pp 699) examined a system of a proton in a magnetic field Bz. In
this case, the single proton can take one of two energy levels:
1
1
1 Bz ;
2 Bz
2
2
Where is the ma
Introduction to Thermodynamics, Kinetics, and Statistical Mechanics
CHEM 4501

Spring 2015
Second MidTerm Exam
Phys. Chem. I: Thermodynamics
Friday, March 30, 2012 (11:15 am  12:05 pm)
This is a close book exam, no texts, notes, or any other studying aid materials. You may
use a calculator, programmable or otherwise, during the exam. You cann