16_InstSolManual_PDF_Part4

# 16_InstSolManual_PDF_Part4 - 16-4 Chapter 16 1750 J 5 2.23...

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16.14. Set Up: For a refrigerator, the coefficient of performance is and Solve: (a) (b) 16.15. Set Up: For a refrigerator, Solve: (a) (b) Reflect: More heat is discarded to the high temperature reservoir than is absorbed from the cold reservoir. 16.16. Set Up: Solve: 16.17. Set Up: For water, and For ice, Solve: (a) Q is negative for the water since heat is removed from it. (b) (c) Reflect: For this device, and More heat is rejected to the room than is removed from the water. 16.18. Set Up: The heat that comes out of the water to cool it to is for the refrigerator. For water 1.0 L has a mass of 1.0 kg and The coefficient of performance is Solve: and 16.19. Set Up: Solve: (a) (b) (c) e 5 W Q H 5 215 J 550 J 5 0.391 5 39.1%. T C 5 2 T H Q C Q H 5 2 1 620 K 2 1 2 335 J 550 J 2 5 378 J. T C T H 5 2 Q C Q H . 0 W 0 5 0 Q H 0 2 0 Q C 0 5 550 J 2 335 J 5 215 J. e 5 W Q H . Q H . 0. Q C , 0, Q C Q H 5 2 T C T H . 0 W 0 5 0 Q H 0 2 0 Q C 0 . t 5 0 Q C 0 PK 5 1.31 3 10 6 J 1 95 W 21 2.25 2 5 6129 s 5 102 min 5 1.7 h K 5 0 Q C 0 0 W 0 5 0 Q C 0 Pt 0 Q C 0 5 1.31 3 10 6 J. Q 5 mc D T 5 1 12.0 kg 21 4.19 3 10 3 J / kg # 21 5°C 2 31°C 2 5 2 1.31 3 10 6 J K 5 0 Q C 0 0 W 0 . P 5 0 W 0 t . c 5 4.19 3 10 3 J / kg # C°. Q C 5.0°C Q 5 mc D T Q H , 0. Q C . 0 0 Q H 0 5 8.08 3 10 5 J 1 3.37 3 10 5 J 5 1.14 3 10 6 J. W 5 0 Q C 0 K 5 8.08 3 10 5 J 2.40 5 3.37 3 10 5 J. 0 Q C 0 5 8.08 3 10 5 J. Q 5 2 8.08 3 10 5 J. Q 5 1 1.80 kg 213 2010 J / kg # K 43
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Unformatted text preview: kg # K 43 2 5.0 C° 4 2 3.34 3 10 5 J / kg 1 3 4190 J / kg # K 43 2 25.0 C° 42 5 2 8.08 3 10 5 J Q 5 mc ice D T ice 2 mL f 1 mc w D T w c ice 5 2010 J / kg # K. L f 5 3.34 3 10 5 J / kg. c w 5 4190 J / kg # K K 5 Q C W . Q H 5 Q C 1 W . P 5 W t 5 4.60 3 10 4 60 s 5 767 W. W 5 Q H 2 Q C 5 1.44 3 10 5 J 2 9.80 3 10 4 J 5 4.60 3 10 4 J. Q H 5 Q C 1 W . Q H 5 3.40 3 10 4 J 1 1.62 3 10 4 J 5 5.02 3 10 4 J. W 5 Q C K 5 3.40 3 10 4 J 2.10 5 1.62 3 10 4 J. K 5 Q C W . Q H , 0. Q C . 0, Q H 5 Q C 1 W . Q H 5 Q C 1 W 5 1750 J 1 785 J 5 2535 J K 5 1750 J 785 J 5 2.23 Q H 5 Q C 1 W . W 5 785 J. Q C 5 1750 J K 5 Q C W . 16-4 Chapter 16...
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