1. A piston/cylinder contains 1 kg of liquid water at20°C and 300 kPa. Initially the piston rises, with amaximum enclosed volume of 0.002 m³ when thepiston touches the stops as shown in the figurebelow. Then heat is added so a final pressure of 600kPa is reached. Find:A. the final volumeB. the initial volumeC. the work done during this process.

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Answered: OkPa. Initially the piston ri nclosed…

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OkPa. Initially the piston ri nclosed volume of 0.002 n es the stops as shown in heat is added so a final pr

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...

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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

1. A piston/cylinder contains 1 kg of liquid water at
20°C and 300 kPa. Initially the piston rises, with a
maximum enclosed volume of 0.002 m³ when the
piston touches the stops as shown in the figure
below. Then heat is added so a final pressure of 600
kPa is reached. Find:
A. the final volume
B. the initial volume
C. the work done during this process.

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