A metal cylinder is filled with a room temperature perfect gas at 1 atm of pressure; upon pulling on the piston the gas is expanded. The gas of course initially cools, but then warms back to room temperature since it is in a non-insulating metal cylinder. a. What is the net ΔU and why? b. While still pulling on the piston after it warmed to room temperature, I wrap it in insulating glass wool to make the system adiabatic. Then I suddenly stop pulling on it. As no heat can be exchanged with the outside, tell me if the the piston will expand, compress, or stay the same and why?
A metal cylinder is filled with a room temperature perfect gas at 1 atm of pressure; upon pulling on the piston the gas is expanded. The gas of course initially cools, but then warms back to room temperature since it is in a non-insulating metal cylinder. a. What is the net ΔU and why? b. While still pulling on the piston after it warmed to room temperature, I wrap it in insulating glass wool to make the system adiabatic. Then I suddenly stop pulling on it. As no heat can be exchanged with the outside, tell me if the the piston will expand, compress, or stay the same and why?
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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A metal cylinder is filled with a room temperature perfect gas at 1 atm of pressure; upon pulling on the piston the gas is expanded. The gas of course initially cools, but then warms back to room temperature since it is in a non-insulating metal cylinder.
a. What is the net ΔU and why?
b. While still pulling on the piston after it warmed to room temperature, I wrap it in insulating glass wool to make the system adiabatic. Then I suddenly stop pulling on it. As no heat can be exchanged with the outside, tell me if the the piston will expand, compress, or stay the same and why?
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