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Fundamentals of Engineering Thermodynamics | 7th Edition | ISBN: 9780470495902 | Authors: Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey
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Applying the Energy BalanceTen kilograms of Refrigerant 22

Chapter 3, Problem 80P

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QUESTION:

Ten kilograms of Refrigerant 22 contained in a piston-cylinder assembly undergoes a process for which the pressure specific volume relationship is \(p v^n=\) constant. The initial and final states of the refrigerant are fixed by \(p_1=400 \mathrm{kPa}, T_1= -5^{\circ} \mathrm{C}\), and \(p_2=2000 \mathrm{kPa}, T_2=70^{\circ} \mathrm{C}\), respectively. Determine the work and heat transfer for the process, each in kJ.

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QUESTION:

Ten kilograms of Refrigerant 22 contained in a piston-cylinder assembly undergoes a process for which the pressure specific volume relationship is \(p v^n=\) constant. The initial and final states of the refrigerant are fixed by \(p_1=400 \mathrm{kPa}, T_1= -5^{\circ} \mathrm{C}\), and \(p_2=2000 \mathrm{kPa}, T_2=70^{\circ} \mathrm{C}\), respectively. Determine the work and heat transfer for the process, each in kJ.

ANSWER:

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Consider, ten kilograms of refrigerant contained in a piston cylinder assembly undergoes a process for which the pressure-specific volume relationship is .

We need to find out the work and heat transfer for the process.

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