A piston–cylinder device contains 50 kg of water at 250
Chapter 4, Problem 24P(choose chapter or problem)
A piston-cylinder device contains \(50 \mathrm{~kg}\) of water at \(250 \mathrm{kPa}\) and \(25^{\circ} \mathrm{C}\). The cross-sectional area of the piston is \(0.1 \mathrm{~m}^{2}\). Heat is now transferred to the water, causing part of it to evaporate and expand. When the volume reaches \(0.2 \mathrm{~m}^{3}\), the piston reaches a linear spring whose spring constant is \(100 \mathrm{kN} / \mathrm{m}\). More heat is transferred to the water until the piston rises \(20 \mathrm{~cm}\) more. Determine (a) the final pressure and temperature and (b) the work done during this process. Also, show the process on a \(P-V\) diagram.
FIGURE P4–24
Equation Transcription:
25℃
Text Transcription:
50 kg
250 kPa
25 degree celsius
0.1 m^2
0.2 m^3
20 cm
P-V
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