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Two moles of an ideal monatomic gas go through the cycle
Chapter 19, Problem 45P(choose chapter or problem)
Two moles of an ideal monatomic gas go through the cycle abc. For the complete cycle, 800 J of heat flows out of the gas. Process ab is at constant pressure, and process bc is at constant volume. States a and b have temperatures \(T_{a}=200 \mathrm{~K}\) and \(T_{b}=300 \mathrm{~K}\).
(a) Sketch the pV-diagram for the cycle.
(b) What is the work W for the process ca?
Questions & Answers
QUESTION:
Two moles of an ideal monatomic gas go through the cycle abc. For the complete cycle, 800 J of heat flows out of the gas. Process ab is at constant pressure, and process bc is at constant volume. States a and b have temperatures \(T_{a}=200 \mathrm{~K}\) and \(T_{b}=300 \mathrm{~K}\).
(a) Sketch the pV-diagram for the cycle.
(b) What is the work W for the process ca?
ANSWER:Solution 45P Step 1: Data given Total heat in the gas Q = 800 J Temperature at a T a 200 K Temperature at b T b 300 K n = 2 We need to find work done W for the proces ca The pv diagram is