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Saturated R-134a vapor at 115^oF is condensed at constant pressure to a saturated liquid in a...

Question:

Saturated R-134a vapor at 115{eq}^o {/eq}F is condensed at constant pressure to a saturated liquid in a closed piston-cylinder system.

Calculate the heat transfer and work done during this process.

Boundary Work & Heat Transfer in a Piston-Cylinder Device:

Mass cannot cross the boundary of a closed system, but heat and work interactions with the surroundings are possible. When the work is due to a moving boundary, it is referred to as boundary work.

Answer and Explanation:

The initial conditions of R-134a in a piston-cylinder device are given as a saturated vapor (x = 1) at a temperature of 115{eq}^{o}F {/eq}.

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Heat Transfer & Phase Changes

from High School Physics: Help and Review

Chapter 17 / Lesson 11
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