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Question: A container filled with 3.4 L of water that is initially at 0°C is placed in a reversible refrigerator. Suppose the hot reservoir for this refrigerator is the room air at 30°C. How much work must be done on the refrigerator to turn all this water into ice at 0°C? Assume the only thing that is cooled by the refrigerator is the water. (Use 3.34 multiply.gif 105 J/kg for the latent heat of fusion for water.) Answer in Joules

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