In an isothermal reversible expansion at 31°C, an ideal gas does 28 J of work. What is the entropy change of the gas?Hint ΔS=ΔS= J/KJ/K. (Use the sign to indicate whether entropy of reservoir increases or decreases.)A Carnot engine operates between reservoirs at 729 and 300 K. If the engine absorbs 100 J per cycle at the hot reservoir, what is its work output per cycle?W=W= J A Carnot engine operates between reservoirs at 729 and 300 K. If the engine absorbs 100 J per cycle at thehot reservoir, what is its work output per cycle?WJ In an isothermal reversible expansion at 31 C, an ideal gas does 28 J of work. What is the entropy changeof the gas?HintAS:J/K. (Use the sign to indicate whether entropy of reservoir increasesor decreases.)

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Answered: In an isothermal reversible expansion…

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

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Question

In an isothermal reversible expansion at 31°C, an ideal gas does 28 J of work. What is the entropy change of the gas?

Hint

ΔS=ΔS= J/KJ/K. (Use the sign to indicate whether entropy of reservoir increases or decreases.)

A Carnot engine operates between reservoirs at 729 and 300 K. If the engine absorbs 100 J per cycle at the hot reservoir, what is its work output per cycle?

W=W= J

In an isothermal reversible expansion at 31 C, an ideal gas does 28 J of work. What is the entropy change
of the gas?
Hint
AS:
J/K. (Use the sign to indicate whether entropy of reservoir increases
or decreases.)

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