magine that we have a sample of nitrogen gas confined to a cylinder by a movable piston. The cylinder is immersed in ice water, and the gas initially has a temperature of 0oC. (1) You fairly rapidly compress the gas, adiabatically decreasing its volume by a factor of 2. (2) You hold the piston still until the gas has cooled again to 0oC, and then (3) you allow the gas to expand slowly to its original volume while allowing plenty of time for heat to move out of or into the gas (so that its temperature remains very close to 0oC). If 120 g of ice was melted during the second step of the cycle, how much work energy did you put into the gas during the first step?   The amount of work energy put into the gas during the first step i

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Imagine that we have a sample of nitrogen gas confined to a cylinder by a movable piston. The cylinder is immersed in ice water, and the gas initially has a temperature of 0oC. (1) You fairly rapidly compress the gas, adiabatically decreasing its volume by a factor of 2. (2) You hold the piston still until the gas has cooled again to 0oC, and then (3) you allow the gas to expand slowly to its original volume while allowing plenty of time for heat to move out of or into the gas (so that its temperature remains very close to 0oC). If 120 g of ice was melted during the second step of the cycle, how much work energy did you put into the gas during the first step?

 

The amount of work energy put into the gas during the first step is

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