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Question: i comisycg yoem m the summer by opening the doo...

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.I. Comisycg yoem m the summer by opening the doo to the electrically powered refrigerator. 2.8. A tank containing 20 kg of water at 20°C is fitted with a stirrer that delivers work to 5 kW. How long does it take for the temperature of the water the water at the rate of 0.2 to rise to 30°C if no heat is lost from the water? For water, Cp 4.18 kJ-kg-1.c Loc-1
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