HOMEWORK 3 (Due on Sep. 19 at beginning of class)
1. A cylinder A, having VA = 30 litres of an ideal monoatomic gas, is connected to a second
cylinder, B, of circular cross-section, as shown in Fig. 3.16 of the book. Cylinder B is tted
with a piston of di
1
PHYS 3141 MIDTERM EXAM
September 26, 2012
NAME:
1. (15 pts) Using the rst law of Thermodynamics, the equation of state and the specic
heat capacities, show that for an ideal gas:
cP = cV + R
where cP and cV are the molar heat capacities at constant pres
1
PHYS 3141 MIDTERM EXAM
SOLUTIONS
1. (15 pts)
First law: dU = dQ + dW
Ideal gas:
U=
N RT = N cV T
2
cV =
dQ
dT
=
V
1
N
U
T
=
V
R
2
dU = N cV dT
Heat capacity at constant pressure:
cP =
1
N
dQ
dT
dQP =cte = N cP dT
P
Quasistatic work: dW = P dV
Introduc
Phase Transitions and Phase Diagrams
One-component systems
Enthalpy and entropy dependence on P and T
Gibbs free energy dependence on P and T
Clapeyron equation
Understanding phase diagrams for one-component systems
Polymorphic phase transitions
Driving f
Free Energy. Thermodynamic Identities. Phase Transitions.
Free Energy. Thermodynamic Identities. Phase Transitions.
Relevant sections in text: 5.15.3
Helmholtz Free Energy
Thus far we have studied two observables which characterize energy aspects of a sys
Reversible and
irreversible processes
Physics 110 - Entropy
28 September 2011
Isolated systems
thermal reservoir
may exchange heat
temperature does not change
battery
reversibly stores work
engine
may exchange heat or work
operates in a cycle
ideal g
1
Solutions to sample quiz problems and assigned problems
Sample Quiz Problems
Quiz Problem 1. Prove the expression for the Carnot eciency for a perfectly reversible Carnot cycle using an
ideal gas.
Solution: The ideal Carnot cycle consists of four segmen
P K Nag Exercise problems - Solved
Thermodynamics
Contents
Chapter-1: Introduction
Chapter-2: Temperature
Chapter-3: Work and Heat Transfer
Chapter-4: First Law of Thermodynamics
Chapter-5: First Law Applied to Flow Process
Chapter-6: Second Law of Thermo
HOMEWORK 5 (Due on Oct. 12 at beginning of class)
1. Consider the free expansion (Q = 0 = W ) of a compressible uid. You can show this process
is irreversible by bringing the uid back to its original volume by doing work on the system.
However, this would
HOMEWORK 4 (Due on Sep. 28 at beginning of class)
Where you require data on the thermodynamic properties of water, refer to Fig. B3 in Appendix
B of the book (attached graph at the end of the assignment).
1. A quantity of water, initially saturated liquid
HOMEWORK 6 (Due on Oct. 26 at beginning of class)
1. Show that for a refrigerator cycle:
Q1 Q2
+
0
T1
T2
2. (a) A solid of mass m has specic heat c. Show that the change in the entropy of the mass
when it is heated from Ta to Tb is:
Sb Sa = mc ln
Tb
Ta
(1
HOMEWORK 7 (Due on Nov. 9 at beginning of class)
1. For a photon gas:
U=
4/3
3
4
1/3
c
4
S 4/3
V 1/3
(1)
where is the Stefan-Boltzmann constant,
=
4
2 5 kB
15h3 c2
with c the speed of light, kB Boltzmanns constant and h Plancks constant. Note that S is a
Electronics Lab Manual
Laboratory 10
Digital Circuits
Name:
Section:
PURPOSE
1. Observe the operation of a NAND gate.
2. Design and build a circuit to produce the magnitude of 3-bit number.
3. Design and build a circuit to take the twos complement of a 3-
Physics 3211: Electronics
Fall Semester, 2013
August 19, 2013
Professor: First ([email protected])
Oce: N018 Howey Physics
Lab: S03/S06 Howey Physics
Oce Hour: Monday 4:30-5:30pm or by Appt.
Lab:
Room: S206 Howey Physics
(Labs during the rst week of classe
Physics 3141
Thermodynamics
Syllabus
Text: Basic Thermodyamics, Carrington
TA: Nazmi Budanur [email protected]
OFFICE HOURS: T & Th 3pm N120 Howey
Homework: Homework will be assigned for each chapter (due the next week Thursday after it
is assigned). A
Chem 152A Lecture 5
MONDAY IS A HOLIDAY Reading Assignment for Friday Zumdahl pp 406-416 Reading Assignment for Monday: Zumdahl pp 379-390 Reading Assignment for Wednesday: Zumdahl pp 416-426
Spontaneous Processes
We know from experience that rocks dont r