A freezer has a coefficient of performance of 6.30. The freezer is advertised as using 457 kW-h/y. (a) On average, how much energy does the freezer use in a single day? (b) On average, how much thermal energy is removed from the freezer each day? (c) What maximum mass of water at 20.0°C could the freezer freeze in a single day? Note: One kilowatt-hour (kW-h) is an amount of energy equal to operating a 1-kW appliance for one hour.

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A: Given that  Th=1,870°C = 1870+273.15=2143.15 K Tc= 430°C=430+273.15=703.15 K

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Q: A refrigerator has a coefficient of performance of 2. The ice (cjce = 2090 J/kg.°C) tray compartment…

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Q: A NATO base in northern Norway is warmed with a heat pump that uses 7.0°C ocean water as the cold…

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Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

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A: Given data: Higher temperature, TH=220C=22+273 K=295 K Lower temperature, TL=3.40C=3.4+273 K=276.4 K…

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Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

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Q: 外 What is the coefficient of performance of a refrigerator that operates with Carnot efficiency…

A: Given T2  = -3 o C = -3 + 273 = 270 K T1  = 27 o C = 27 + 273 = 300 K

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