COLLEGE PHYS. V.2 W/MOD.MAST. >LLF< >I
10th Edition
ISBN: 9781323309353
Author: YOUNG
Publisher: PEARSON C
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Chapter 16, Problem 6P
Figure 16.15 shows a pV diagram for a
Figure 16.15
Problem 6.
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Consider the thermodynamic process, A->B->C->A shown above. The heat absorbed during A->B is 591J. If the change in internal energy during B->C is 4146J, What is the change in internal energy in SI units during C->A? Express only the number of your answer with 4 significant figures.
Problem 11: A diatomic ideal gas goes through the cycle a → b → c → d → a as shown in the figure. Processes ab and cd are isothermal and occur at temperatures TH = 390 K and TC = 288K, respectively. There are n = 45 moles of this gas in the system, and the initial volume is Va = 0.079 m3.
Part (a) Calculate the work Wab, in joules, done by the gas during the process a → b.
Part (b) Calculate the work Wbc done by the gas, in joules, during the process b → c.
Part (c) Calculate the total work W done in the entire cycle, in joules.
Part (d) Calculate the total heat Q, in joules, flowing into the gas in a complete cycle.
2 moles of a monatomic ideal gas undergoes a cyclic process as depicted in the figure below. The processes AB and CD are isobaric and the process DA is adiabat
given values p= 12.5 atm, V= 5.6 L, V= 2.8 L, pc= 25 atm, and V.= 1.849 L answer the following questions.
(u se R=8.314
1 atm = 1.013x 105 Pa, 1L= 10-3 m³)
mol · K'
Volume
1. Calculate the temperature T= 989.75
XK
2. What type of process is the process BC? adiabatic +
3. Calculate the work done by the gas in the process DA.WDA= 6765.9
XJ
4. Calculate the magnitude of the net heat entering the cycle. Q4 = 15871.96
XJ
5. Calculate the magnitude of the net heat leaving the cycle. Qe= 4593.485
XJ
6. Calculate the net work done by the gas. W=
XJ
7. Calculate the thermal efficiency of the cycle. e =
8. Calculate the change in the entropy in the process AB. Include the sign (positive or negative) in your answer as well. AS
AB
Chapter 16 Solutions
COLLEGE PHYS. V.2 W/MOD.MAST. >LLF< >I
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