Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 27.2, Problem 2aTH
One mole of an ideal gas is confined to a container with a movable piston. The questions below refer to the processes shown on the PV diagram at right. Process I is a change front state X to state Y at constant pressure. Process II is a change from state W to state Z at a different constant pressure.
- Rank the temperatures of states W, X, Y, and Z. If any temperatures are equal, state that explicitly. Explain.
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Students have asked these similar questions
Suppose a monatomic ideal gas is changed from state A to state D by one of the processes shown on the PV diagram.
1. The gas follows the constant-temperature path AC followed by the constant-pressure path CD.
What is the total work done on the gas ?
What is the total change in internal energy of the gas during the entire process?
What is the total heat flow into the gas?
Problem 2
Suppose an irreversible process takes 1.0 mol of
monoatomic ideal gas from state 1 to state 2, where
pressure increases linearly with volume as shown in the
diagram below.
P2
Suppose
that
the following
measurements are taken:
1
P1
Pi=101,000 N/m?
Vi = 0.010 m³
p2=185,000 N/m?
V2 = 0.026 m
V1
V2
Calculate the following:
a) work done on the system for the process.
b) heat into the system for the process.
c) AUsys for going from state 1 to 2. Give your answer in units of joules (J).
d) ASsys for going from state 1 to 2. Give your answer in units of J/K.
e) What can be known about ASsurr for this process?
V (m³)
p (N/m²)
Part B
A container holds a sample of ideal gas in thermal equilibrium, as shown in the
figure. (Figure 1) One end of the container is sealed with a piston whose head is
perfectly free to move, unless it is locked in place. The walls of the container readily
allow the transfer of energy via heat, unless the piston is insulated from its
surroundings.
Starting from equilibrium at point 0, what point on the pV diagram will describe the ideal gas after the following process?
"Immerse the container into a large water bath at the same temperature, and very slowly push the piston head further into the container."
• View Available Hint(s)
O point 1
O point 2
O point 3
O point 4
O point 5
O point 6
O point 7
O point 8
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Previous Answers
X Incorrect; Try Again; 4 attempts remaining
The volume of the gas cannot remain constant because the piston head has moved further into the container.
Part C
Starting from equilibrium at point 0, what point on the pV diagram will describe the ideal gas…
Chapter 27 Solutions
Tutorials in Introductory Physics
Ch. 27.1 - Prob. 1aTHCh. 27.1 - In this process, which of the quantities P, V, n,...Ch. 27.1 - Consider the following incorrect student...Ch. 27.1 - Explain why it is not possible to use the ideal...Ch. 27.1 - A long pin is used to hold the piston in place as...Ch. 27.1 - A long pin is used to hold the piston in place as...Ch. 27.1 - Prob. 2cTHCh. 27.2 - Prob. 1aTHCh. 27.2 - Prob. 1bTHCh. 27.2 - Prob. 1cTH
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