Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 13.2, Problem 4bT
In process 1 (section II) you did not need to consider
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The heat engine shown in the figure uses 2.0 mol of a
monatomic gas as the working substance.
(Figure 1)
Figure
p (kPa)
600
400
200
0
0
0,025
0.050
V (m³)
1 of 1
Part A
Determine T₁, T2, and T3-
Enter your answers numerically separated by commas. Express your answer using two significant figures.
T₁, T2, T3
Submit
Correct
Part B
600,1800,1200 K
Previous Answers
Determine AEth, Ws, and Q for 1-2.
Enter your answers numerically separated by commas. Express your answer using two significant figures.
IVE ΑΣΦ
AEth, Ws, Q=29930.4, 12500,42430.4
Submit Previous Answers Request Answer
?
J
X Incorrect; Try Again; 3 attempts remaining
Term 2: Review your calculations and make sure you round to 2 significant figures in the last step.
Q1 A quantity of 2.5 moles of an ideal gas goes through three processes described
by the P-V diagram below.
(a) What kind of processes are from A to B, B to C and from C to D?
(b) Calculate the temperature at A, B, C and D.
(c) Find the work done by the gas in each process.
Notes: 1 atm equals 1.013×10³ Pa, and 1 liter equals 1×10-³ m³.
P (atm)
2
1
B
A
15
C
30
D
45
V (liters)
1.50 mol of an ideal gas with a constant ratio of heat capacities at constant pressure and
volume y =2 = 1.40 is taken through the (reversible) cycle shown in the figure below. The process
A - B is an expansion at constant temperature, whereas B →C and C → A are constant-pressure
compression and constant-volume processes, respectively.
040
a) What is the temperature TA of the gas at A?
P (atm)
For the cycle as a whole,
Isothermal
b) calculate the (net) work done W (by the gas),
04021
c) calculate the (total) heat transfer Q,
process
d) find the change in the (internal) energy U of the gas,
B
e) verify that the 1" law of thermodynamics
C
is satisfied. 1 liter=1.00x10 m , 1 atm=1.01x105 N/m² , kɛ =
1.38x1023 J/K , NA=6.02x1023 mol.
-V (liters)
50
10
Chapter 13 Solutions
Tutorials in Introductory Physics
Ch. 13.1 - Prob. 1aTCh. 13.1 - In the space provided, draw an arrow to indicate...Ch. 13.1 - Prob. 1cTCh. 13.1 - Prob. 1dTCh. 13.1 - Prob. 1eTCh. 13.1 - Prob. 2aTCh. 13.1 - Prob. 2bTCh. 13.1 - Consider the following student dialogue. Student...Ch. 13.1 - Sketch the process described in section II on the...Ch. 13.1 - Prob. 3bT
Ch. 13.1 - Prob. 4aTCh. 13.1 - A student looks up the molar masses and finds the...Ch. 13.1 - Prob. 4cTCh. 13.2 - Recall the definition of work done on an object by...Ch. 13.2 - Prob. 1bTCh. 13.2 - Prob. 1cTCh. 13.2 - Prob. 2aTCh. 13.2 - Does the internal energy of a gas in an insulated...Ch. 13.2 - Two students are discussing process 1: Student 1:...Ch. 13.2 - Imagine that the cylinder from section II is no...Ch. 13.2 - In process 2, is the heat transfer to the gas...Ch. 13.2 - Prob. 3cTCh. 13.2 - Prob. 4aTCh. 13.2 - In process 1 (section II) you did not need to...Ch. 13.2 - In process 2 (section III) you did not need to...Ch. 13.2 - Prob. 4dTCh. 13.2 - How does the compression in process 3 differ from...Ch. 13.2 - A student is considering process 3: “The...
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- A container is filled with an ideal diatomic gas to a pressure and volume of P1 and V1, respectively. The gas is then warmed in a two-step process that increases the pressure by a factor of two and the volume by a factor of three. Determine the amount of energy transferred to the gas by heat if the first step is carried out at constant volume and the second step at constant pressure. (Use any variable or symbol stated above as necessary.)arrow_forwardA gas is confined in a thermally insulated cylinder as shown in the figure below. The gas is compresses as shown in figure (b). Which one of the following statement is true? a. The work done on the gas will be negative b. The work done on the gas will be Positive c The final pressure on the gas will be zero d. The work done on the gas will be Zero yotarrow_forwardA heat engine using 1.0 mol of a monatomic gas follows the cycle shown in the figure. 3750 J of heat = 37507 A heat engine using 1.0 energy is transferred to the gas during process 1 - > 2. (Figure 1) AE₁-2 mol of a monatomic gas follows the cycle shown in the figure. 3750J of heat energy is transferred to the gas S → 3 in this cycle. Express your = Part E Complete previous part( during process 1 → 2. (Figure 1) Correct Part D Determine W for process 2 answer to three significant figures and include the appropriate units. W s) Part F Complete previous part(s) Part G Complete previous part(s) 8-3 p (kPa) Panax 3750 J 300 T₁ = 300 K 0 0 V Vmin Vmax=2Vminarrow_forward
- A steam turbine receives a steam flow of 1.45 kg/s and the power output is 600 kW. The heat loss from the casing is negligible. Determine;i. The change of specific enthalpy across the turbine when the velocities at entrance and exit and the difference in evaluation is negligible.ii. The change of specific enthalpy across the turbine when velocity at entrance is 70 m/s, the velocity at exit is 390 m/s, and the inlet pipe is 3.5 m above the exhaust pipe.arrow_forwardThere is a piston that contains a 30 liter water sample at 30 ° C and exposed to 1 atm of pressure. The piston is heated at constant pressure until all the water vaporizes. Find a) The mass of water, b) The final temperature of the water sample, and c) The T-v diagram of this process.arrow_forwardThe heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) Figure p (kPa) 600 400 200 0 0 0.025 0.050 V (m³) 1 of 1 Determine T₁, T2, and T3. Enter your answers numerically separated by commas. Express your answer using two significant figures. T₁, T2, T3 Submit ✓ Correct Part B 600,1800,1200 K Previous Answers Determine AEth, Ws, and Q for 1-2. Enter your answers numerically separated by commas. Express your answer using two significant figures. 15. ΑΣΦ AEth, Ws, Q = 30, 12.5,42.5 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? Jarrow_forward
- QUESTION 16 The temperature at state A is 20.0°C, that is 293 K. During the last test, you have found the temperature at state D is 73.0 K and n = 164 moles for this monatomic ideal gas. What is the change in thermal energy for process A to D, in MJ (MegaJoules)? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. p (atm) 5 4 3 2 1 0 A D 1 2 3 4 B 5 → V (m³)arrow_forwardThe heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) Figure p (kPa) 600 400 200 0 0 0.025 0.050 -V (m³) < 1 of 1 Part A Determine T₁, T₂, and T3 Enter your answers numerically separated by commas. Express your answer using two significant figures. T₁, T₂, T3 Submit ✓ Correct Part B 600,1800,1200 K Previous Answers Determine AEth. Ws, and Q for 1-2. Enter your answers numerically separated by commas. Express your answer using two significant figures. Submit IVE ΑΣΦ AEth, Ws, Q = 28608.47, 12500,41108.47 Previous Answers Request Answer ? J X Incorrect; Try Again; 2 attempts remaining Term 1: Review your calculations and make sure you round to 2 significant figures in the last step. Term 2: Review your calculations and make sure you round to 2 significant figures in the last step. Term 3: Review your calculations and make sure you round to 2 significant figures in the last step.arrow_forwardA container is filled with an ideal diatomic gas to a pressure and volume of P₁ and V₁, respectively. The gas is then warmed in a two-step process that increases the pressure by a factor of four and the volume by a factor of five. Determine the amount of energy transferred to the gas by heat if the first step is carried out at constant volume and the second step at constant pressure. (Use any variable or symbol stated above as necessary.) Q =arrow_forward
- The heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) Figure p (kPa) 600 400 200 0 0 0.025 0.050 < 1 of 1 V (m³) Part D Determine AEth, Ws, and Q for 3→1. Enter your answers numerically separated by commas. Express your answer using two significant figures. VE ΑΣΦ AEth, Ws, Q = Submit Part E Request Answer What is the engine's thermal efficiency? Express your answer using two significant figures. ? Jarrow_forwardThe heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) Figure p (kPa) 600 400 200- 0 0 0.025 0.050 V (m³) Part A Determine T₁, T₂, and T₁. Enter your answers numerically separated by commas. Express your answer using two significant figures. T₁ T₂. T₂ = 600,1800,1200 K Submit Previous Answers ✓ Correct Part B Determine AEth. W. and Q for 1-2. Enter your answers numerically separated by commas. Express your answer using two significant figures. AEth. Ws. Q = 3.0x104.1.3x104.4.3x104 J Submit ✓ Correct ▾ Part C Previous Answers Determine AEth. W. and Q for 2-3. Enter your answers numerically separated by commas. Express your answer using two significant figures. AEth. Ws. Q= Submit ▾ Part D ΠΑΣΦ Request Answer I ? Jarrow_forwardA PV diagram below, Figure 1, shows two possible states of a system containing three moles of a monatomic ideal gas. (P= P2= 450 Pa, V, = 2m', V,= 8m') a. Draw the process which depicts an isobaric expansion and label this process (A) b. Find the work done by the gas and the change in internal energy of the gas in process A. Figure 1 (N/m²) 500+ ! 2 400+ 300+ 200- 100+ ㅇ 2 4 6. 8. 10 V (m³) Copyright © 2005 Pearson Prentice Hall, Inc.arrow_forward
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