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A sample of an ideal gas is taken through the cyclic process presented below. The associated pressure values are P, =7 kPa and P ас = 3.5 kPa. (R=8.314 J mol1.K-1) (a) Find the net work done through the entire сycle. (b) If T,= 204 K and the gas is monatomic, how many moles of the gas are in the sample? n = moles (c) What is the total change in the internal energy of the whole cycle? J (d) Use the first law of thermodynamics to calculate the amount of heat energy transfered through the process ab. J (e) What is the efficiency of the concerned engine? Express your answer in terms of percentage. e = % Pac a 1.0 3.0 Volume (m³) Pressure (kPa)

A sample of an ideal gas is taken through the cyclic process presented below. The associated pressure values are P, =7 kPa and P ас = 3.5 kPa. (R=8.314 J mol1.K-1) (a) Find the net work done through the entire сycle. (b) If T,= 204 K and the gas is monatomic, how many moles of the gas are in the sample? n = moles (c) What is the total change in the internal energy of the whole cycle? J (d) Use the first law of thermodynamics to calculate the amount of heat energy transfered through the process ab. J (e) What is the efficiency of the concerned engine? Express your answer in terms of percentage. e = % Pac a 1.0 3.0 Volume (m³) Pressure (kPa)

College Physics
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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A sample of an ideal gas is taken through the cyclic process presented below. The associated pressure values are P =7 kPa and P = 3.5 kPa. ас (R=8.314 J·mol¯1.K-1) (a) Find the net work done through the entire сycle. J (b) If T.=204 K and the gas is monatomic, how many moles of the gas are in the sample? n = moles (c) What is the total change in the internal energy of the whole cycle? J (d) Use the first law of thermodynamics to calculate the amount of heat energy transfered through the process ab. J (e) What is the efficiency of the concerned engine? Express your answer in terms of percentage. e = Pac a 1.0 3.0 Volume (m³) Pressure (kPa)
Transcribed Image Text:A sample of an ideal gas is taken through the cyclic process presented below. The associated pressure values are P =7 kPa and P = 3.5 kPa. ас (R=8.314 J·mol¯1.K-1) (a) Find the net work done through the entire сycle. J (b) If T.=204 K and the gas is monatomic, how many moles of the gas are in the sample? n = moles (c) What is the total change in the internal energy of the whole cycle? J (d) Use the first law of thermodynamics to calculate the amount of heat energy transfered through the process ab. J (e) What is the efficiency of the concerned engine? Express your answer in terms of percentage. e = Pac a 1.0 3.0 Volume (m³) Pressure (kPa)
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