The pV- diagram shows a cycle of a heat engine that uses 0.250 mole of an ideal gas having γ = 1.40. The curved part ab of the cycle is adiabatic.  (a) Find the pressure of the gas at point a.  (b) How much heat enters this gas per cycle, and where does it happen?  (c) How much heat leaves this gas in a cycle, and where does it occur?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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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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The pV- diagram shows a cycle of a heat engine that uses 0.250 mole of an ideal gas having γ = 1.40. The curved part ab of the cycle is adiabatic. 

(a) Find the pressure of the gas at point a.

 (b) How much heat enters this gas per cycle, and where does it happen? 

(c) How much heat leaves this gas in a cycle, and where does it occur? 

(d) How much work does this engine do in a cycle? 

(e) What is the thermal efficiency of the engine?

p (atm)
1.5리
V(m³)
|0.0020
0.0090
Transcribed Image Text:p (atm) 1.5리 V(m³) |0.0020 0.0090
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