Name or UFID:_ Monday September 24th
QUIZ 3 (10 points)
Read each statement in the table below and decide whether the statement is true or false. Indicate your answer by a check mark in the appropriate column next to the statement. True False
1. The total
View on Cold in 17th Century
while the sources of heat were obvious the sun, the
crackle of a fire, the life force of animals and human beings
cold was a mystery without an obvious source, a chill
associated with death, inexplicable, too fearsome to
inve
In-class Exam #1, Wednesday, Feb 1 (50 minutes)
Covers chapters 1-3, HW_A and lecture material.
Formula sheets/notes (2 pages single sided) allowed.
Hand held calculators allowed.
HW_B due Friday, Feb 10
Maxwell-Boltzmann velocity distribution
Maxwell-B
Gas pressure and the ideal gas law
Assume specular collisions*
Change in momentum:
mv cos ( mv cos )
= 2mv cos
*Bold assumption but more general calculation gives same result.
Molecular Flux
Molecular
# in cylinder = n f (v) dv ( vdt cos dA )
Elementofar
Thermodynamics
Thermodynamics
Concerns the study of the Equilibrium properties (or quasi-static equilibrium)
of a system and its surroundings.
Temperature is a variable, and heat and work are somehow involved.
Heat is energy in transit.
Surroundings
Wo
Sy
Configuration Work
Configuration
This is the work done in a reversible process given by the product of some
intensive variable (y) and the change in some extensive variable (X). The most
general case would be:
W =
y dX ,
i
i
i = 1, 2,.n.
i
W is called th
Name or UFID_
September 28th, 2007
Exam 1
Important note: the points available for each question are as follows (1) 10, (2) 15, (3) 10.
1)
Show that, for a van der Waals gas, / = R/(vb).
1 v
=
v T P
1 v
=
v P T
v
P v
T P
=
=
.
v
v T T P
P T
Exam 2
Name or UFID_
October 29th, 2007
Write your solutions in the spaces provided after each question. Please note that the space
provided should be sufficient to answer any given question. If you make a mistake, rather
than trying to erase everything,
Final Exam
December 11th, 2007
Name or UFID_
Write out your solutions in the spaces provided after each question. Please note that the space
provided should be sufficient to answer any given question. In other words, if your solution fills
a page, but onl
September 25th, 2006
Exam 1
Name or UFID_
1)
A cylinder of volume 0.2 m3 contains oxygen at a pressure of 1.9 atmospheres and a
temperature of 200C. Assume that oxygen behaves like an ideal diatomic gas.
a)
How many kilomoles of diatomic oxygen (O2) are i
Exam 2
Name or UFID_
October 29th, 2007 Write your solutions in the spaces provided after each question. Please note that the space provided should be sufficient to answer any given question. If you make a mistake, rather than trying to erase everything,
Exam 3 (55 minutes)
December 3rd, 2007
Name or UFID_
Write out your solutions in the spaces provided after each question. Please note that the space provided should be sufficient to answer any given question. In other words, if your solution fills a page,
Final Exam
December 11th, 2007
Name or UFID_
Write out your solutions in the spaces provided after each question. Please note that the space provided should be sufficient to answer any given question. In other words, if your solution fills a page, but onl
Practice exam 3
1(a) The Gibbs function of a certain gas is CP 2 DP 3 G = nRT ln P + A + BP + + , 2 3 where A, B, and C are constants. Find the equation of state of the gas. Use the following precursor to fourth Maxwell relation to eliminate G,
nRT G V =
"Experiment is the interpreter of nature.
Experiments never deceive. It is our judgment
which sometimes deceives itself because it
expects results which experiment refuses."
- Leonardo da Vinci
(1452-1519)
Thermodynamics
Large number of particles ~
N
= 6
A th e o ryis th e m o re im p re s s ive th e g re a te rth e s im p lic ity o fits
p re m is e s ,th e m o re d iffe re ntkind s o fth ing s itre la te s ,a nd th e m o re
e xte nd e d its a re a o fa p p lic a b ility.T h e re fo re th e d e e p im p
Name or UFID:_ Wednesday September 26th
QUIZ 3 (10 points)
Read each statement in the table below and decide whether the statement is true or false. Indicate your answer by a check mark in the appropriate column next to the statement. True False
1. For an
Name or UFID:_ Friday September 14th
QUIZ 2 (10 points)
Read each statement in the table below and decide whether the statement is true or false. Indicate your answer by a check mark in the appropriate column next to the statement. True 1. The van der Waa
Wednesday September 5th
QUIZ 1 (10 points)
Read each statement in the table below and decide whether the statement is true or false. Indicate your answer by a check mark in the appropriate column next to the statement. True False
1. An irreversible proces
-UF Physics Undergraduate Advising Newsletter
November 2006
-Most of you have either begun preregistration for Spring 2007 or else will
start registering shortly. This newsletter deals with common advising
questions. It is not intended to be a substitute
MARK W. MEISEL
I.
PERSONAL DATA
Date of Birth: 30 January 1958
Place of Birth: Portsmouth, Virginia
Citizenship: United States of America
Languages: English and French
Married: Anna-Lisa Paul, Ph.D., Botany, University of Florida, 1989
Field of Specialty:
Homework A
PHY3513
Due: Monday, Jan 23
1111
+ + + + . = ?
2 3! 4! 5!
11111
(b) 1 + + . = ?
23456
1. (a) 2 +
2. Expand (1 2tz + t 2 ) 1/2 in powers of t assuming that t is small. Collect the coefficients
of t0, t1. and t2.
3. The displacement z of a partic
Homework B
PHY3513
Due: Friday, Feb. 10, 2012
1. (4.2)
2. (4.4) Note that there is a factor of two error in the equations stated in the text for this
problem. Also, recognize that dT/dE is related to an important thermodynamic quantity.
e
e
x
3. (4.7)
Homework C
PHY3513
Due: Friday, February 24, 2012
1. (a) problem 6.1; (b) Calculate the average distance between the molecules.
2. problem 6.2
3. problem 6.4
4. problem 6.5
5. A gas is contained in a cylinder fitted with a frictionless piston and is taken
Homework D
PHY3513
Due: Mar. 16, 2012
1. A Carnot cycle using 1 mole of an ideal gas (not necessarily a monatomic gas) as a
working substance is composed of two isothermal and two adiabatic reversible processes
(See figure).
The thermodynamic states are d
Homework E
PHY3513
Due: Monday, April 2, 2012
1. (16.1) Try and do these without looking up the derivations in your textbook.
2. (16.2) Justify each step in your derivations (i.e., reciprocity, Maxwell relation, etc.)
3. (a) (16.3) Use the relations: dU =
Homework F
PHY3513
Due: April 11, 2012
1. The van der Waals equation of state provides a model for real gases. Another model
for a real gas involves a perturbative expansion from Boyles ideal gas law. For one
pV
mole of a real gas, instead of
= 1 (ideal g
Reflections on the Motive Power of Fire
and
On Machines fitted to produce that Power
(V1, p1)
(V2, p2)
(V4, p4)
(V3, p3)
T1
T2
(V2, p2)
(V1, p1)
W = - Q < 0
(V3, p3)
(V2, p2)
U = W < 0
(V3, p3)
(V4, p4)
W = - Q > 0
(V1, p1)
U = W > 0
S u m m a ryo n C a
Conversion of Heat to Work (a heat engine)
Heat reservoir at
temperature T2 > T1
Q heat
W work
both in Joules
Q2
Heat
Engine
Q1
Cold reservoir at
Cold
temperature T1 < T2
W
Cooling via Work (Carnot Refrigerator)
Environment at
temperature Th > Tl
Qh
W
Ref
Practice exam 3
1(a) The Gibbs function of a certain gas is CP 2 DP 3 G = nRT ln P + A + BP + + , 2 3 where A, B, and C are constants. Find the equation of state of the gas.
(b)
The isothermal bulk modulus B is the reciprocal of , i.e.
P B = -V . V T
Sho