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# Piston-Cylinder Device

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A piston-cylinder device contains 5 kg of refrigerant-134a at 800 kPa and 60 degrees Celsius. The refrigerant is now cooled at constant pressure until it exists as liquid at 20 degrees Celsius. Determine the amount of heat loss and show the process on a T-v diagram with respect to saturation lines.

https://brainmass.com/physics/first-law-of-thermodynamics/piston-cylinder-device-33737

#### Solution Preview

The device is a piston-cylinder with is closed system. R-134a is the fluid with the state properties given in the problem. In problems such as these, it is always best to make a table as shown below:

Property
State 1 State 2
Pressure 800 kPa 800 kPa (process ...

#### Solution Summary

This solution includes detailed calculations and explanations of the given physics problem.

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