A sample of gas, initially with a volume of 1.0 L, undergoes a thermodynamic cycle. Find the work done by the gas on its environment during each stage of the cycle described below. (Enter your answers in J.) (a) First, the gas expands from volume of 1.0L to 7.0 L at a constant pressure of 8.0 atm. 395.07 (b) Second, the gas is cooled at constant volume until the pressure falls to 1.5 atm. 380.75 (c) Third, the gas is compressed at a constant pressure of 1.5 atm from a volume of 7.0 L to 1.0 L. (Note: Be careful of signs.) 861.05 (d) Finally, the gas is heated until its pressure increases from 1.5 atm to 8.0 atm at a constant volume. 1256.12 (e) What is the net work done by the gas on its environment during the complete cycle described above? (f) Which of the following PV diagrams matches the process outlined in parts (a)-(d)? Let points a-d in the diagram refer to the state of the gas at the start of each of the respective processes described in parts (a)-(d) above.

A sample of gas, initially with a volume of 1.0 L, undergoes a thermodynamic cycle. Find the work done by the gas on its environment during each stage of the cycle described below. (Enter your answers in J.) (a) First, the gas expands from volume of 1.0L to 7.0 L at a constant pressure of 8.0 atm. 395.07 (b) Second, the gas is cooled at constant volume until the pressure falls to 1.5 atm. 380.75 (c) Third, the gas is compressed at a constant pressure of 1.5 atm from a volume of 7.0 L to 1.0 L. (Note: Be careful of signs.) 861.05 (d) Finally, the gas is heated until its pressure increases from 1.5 atm to 8.0 atm at a constant volume. 1256.12 (e) What is the net work done by the gas on its environment during the complete cycle described above? (f) Which of the following PV diagrams matches the process outlined in parts (a)-(d)? Let points a-d in the diagram refer to the state of the gas at the start of each of the respective processes described in parts (a)-(d) above.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A sample of gas, initially with a volume of 1.0 L, undergoes a thermodynamic cycle. Find the work done by the gas on its environment during each stage of the cycle described below. (Enter your answers in J.)
(a) First, the gas expands from a volume of 1.0 L to 7.0 L at a constant pressure of 8.0 atm.
395.07
(b) Second, the gas is cooled at constant volume until the pressure falls to 1.5 atm.
380.75
(c) Third, the gas is compressed at a constant pressure of 1.5 atm from a volume of 7.0 L to 1.0 L. (Note: Be careful of signs.)
861.05
(d) Finally, the gas is heated until its pressure increases from 1.5 atm to 8.0 atm at a constant volume.
1256.12
(e) What is the net work done by the gas on its environment during the complete cycle described above?
(f) Which of the following PV diagrams matches the process outlined in parts (a)-(d)? Let points a-d in the diagram refer to the state of the gas at the start of each of the respective processes described in
parts (a)-(d) above.
P( atm)
P( atm)
P( atm)
b
b
8
d
a
a
6
6
4
d
a
d
V (L)
8
V (L)
8
V (L)
8
4
6.
4
6
4
6.
P( atm)

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