Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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4. A 1-L can of R-410A is at room temperature, 20°C, with a quality of 50% (V 0.000923 m3/kg; Vfg 0.01666 m3/kg; uy = 87.94 kJ/kg; ufg 170.21 kJ/kg; he 283.55 kJ/kg). A leak in the top valve allows vapor to escape and heat transfer from the room takes place, so we reach a final state of 5°C with a quality of 100% (vg 254.53 kJ/kg; he = 280.55 kJ/kg). Find the mass that escaped 0.02786 m3/kg; ug - and the heat transfer. =
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Transcribed Image Text:4. A 1-L can of R-410A is at room temperature, 20°C, with a quality of 50% (V 0.000923 m3/kg; Vfg 0.01666 m3/kg; uy = 87.94 kJ/kg; ufg 170.21 kJ/kg; he 283.55 kJ/kg). A leak in the top valve allows vapor to escape and heat transfer from the room takes place, so we reach a final state of 5°C with a quality of 100% (vg 254.53 kJ/kg; he = 280.55 kJ/kg). Find the mass that escaped 0.02786 m3/kg; ug - and the heat transfer. =
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