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Nine moles of a monatomic ideal gas at (7 MPa, 7 L) is expanded isothermally until the volume is doubled (step 1). Then it is cooled isochorically until the pressure is 1 MPa (step 2). The temperature drops in this process. snow 2 MPa (step 3). Finally, the gas The gas is now compressed isothermally until its volume is back to 7 L, but its pressure heated isochorically to return to the initial state (step 4). (a) Draw the four processes in the pV plane

Nine moles of a monatomic ideal gas at (7 MPa, 7 L) is expanded isothermally until the volume is doubled (step 1). Then it is cooled isochorically until the pressure is 1 MPa (step 2). The temperature drops in this process. snow 2 MPa (step 3). Finally, the gas The gas is now compressed isothermally until its volume is back to 7 L, but its pressure heated isochorically to return to the initial state (step 4). (a) Draw the four processes in the pV plane

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Nine moles of a monatomic ideal gas at (7 MPa, 7 L) is expanded isothermally until the volume is doubled (step 1). Then it is cooled isochorically until the pressure is 1 MPa (step 2). The temperature drops in this process. The gas is now compressed isothermally until its volume is back to 7 L, but its pressure is now 2 MPa (step 3). Finally, the gas is heated isochorically to return to the initial state (step 4). (a) Draw the four processes in the pV plane. p( MPa) p( MPa) p( MPa) 4 14 7 7 1 2 4 7 2 4 2 2 2 1 1 3 V (L) V (L) V (L) 7 7 14 7 14 p( MPa) 2 14 7 4 V (L) 7 (b) Find the total work done by the gas (in J).
Transcribed Image Text:Nine moles of a monatomic ideal gas at (7 MPa, 7 L) is expanded isothermally until the volume is doubled (step 1). Then it is cooled isochorically until the pressure is 1 MPa (step 2). The temperature drops in this process. The gas is now compressed isothermally until its volume is back to 7 L, but its pressure is now 2 MPa (step 3). Finally, the gas is heated isochorically to return to the initial state (step 4). (a) Draw the four processes in the pV plane. p( MPa) p( MPa) p( MPa) 4 14 7 7 1 2 4 7 2 4 2 2 2 1 1 3 V (L) V (L) V (L) 7 7 14 7 14 p( MPa) 2 14 7 4 V (L) 7 (b) Find the total work done by the gas (in J).
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