Sketch a PV diagram and find the work done by the gas during the following stages. Answer all in J. (a) A gas is expanded from a volume of 1.0 L to 8.0 L at a constant pressure of 4.5 atm. (b) The gas is then cooled at constant volume until the pressure falls to 1.5 atm. (c) The gas is then compressed at a constant pressure of 1.5 atm from a volume of 8.0 L to 1.0 L. (Note: Be careful of signs.) (d) The gas is heated until its pressure increases from 1.5 atm to 4.5 atm at a constant volume. (e) Find the net work done during the complete cycle. Sketch a PV diagram of the process outlined in parts (a)–(d).
Sketch a PV diagram and find the work done by the gas during the following stages. Answer all in J. (a) A gas is expanded from a volume of 1.0 L to 8.0 L at a constant pressure of 4.5 atm. (b) The gas is then cooled at constant volume until the pressure falls to 1.5 atm. (c) The gas is then compressed at a constant pressure of 1.5 atm from a volume of 8.0 L to 1.0 L. (Note: Be careful of signs.) (d) The gas is heated until its pressure increases from 1.5 atm to 4.5 atm at a constant volume. (e) Find the net work done during the complete cycle. Sketch a PV diagram of the process outlined in parts (a)–(d).
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter21: Heat And The First Law Of Thermodynamics
Section: Chapter Questions
Problem 42PQ
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Sketch a PV diagram and find the work done by the gas during the following stages. Answer all in J.
(a) A gas is expanded from a volume of 1.0 L to 8.0 L at a constant pressure of 4.5 atm.
(b) The gas is then cooled at constant volume until the pressure falls to 1.5 atm.
(c) The gas is then compressed at a constant pressure of 1.5 atm from a volume of 8.0 L to 1.0 L. (Note: Be careful of signs.)
(d) The gas is heated until its pressure increases from 1.5 atm to 4.5 atm at a constant volume.
(e) Find the net work done during the complete cycle.
Sketch a PV diagram of the process outlined in parts (a)–(d).
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