expanded isothermally to a pressure of 100 kPa. Determine the boundary work done during this process. Answer: 23.0 kJ +18 A piston-cylinder device initially contalns of mitrogen gas at 160 kPa and 140°C. The nitrogen is now

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the boundary work done during this process. Answer: 23.0 kJ
expanded isothermally to a pressure of 100 kPa. Determine
18 A piston-cylinder device initially contains 0.4 kg
oi mitrogen gas at 160 kPa and 140°C. The nitrogen is now
Answer: 23.0 kJ
N2
160 kPa
140°C
FIGURE P4-18
Transcribed Image Text:the boundary work done during this process. Answer: 23.0 kJ expanded isothermally to a pressure of 100 kPa. Determine 18 A piston-cylinder device initially contains 0.4 kg oi mitrogen gas at 160 kPa and 140°C. The nitrogen is now Answer: 23.0 kJ N2 160 kPa 140°C FIGURE P4-18
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