A refrigerator with COP = 3.50 is supplied withliquid water at 15 °C, and produces ice cubes at –5.0 °C. Every hour the refrigerator produces 1500 ice cubes, each with dimensions 2.0 cm × 2.0 cm × 3.0 cm. The inside of the refrigerator is maintained at –5.0 °C, and the outside is at 30 °C.The density of ice is 0.916 g/cm3. The specific heat of liquid water is 4.186 J/(g·K), the specific heat of ice is 2.108 J/(g·K), and the latent heat of fusion is 334 J/g. (a) How much heat must be extracted from the inside of the refrigerator in one hour?
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