An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid...

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An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid...

An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0 ∘C and rejects heat to a room at a temperature of 24.9 ∘C. Suppose that liquid water with a mass of 71.5 kg at 0.0 ∘C is converted to ice at the same temperature.

Take the heat of fusion for water to be Lf = 3.34×10⁵ J/kg .

Part A

Part complete

How much heat |QH| is rejected to the room?

Express your answer in joules to four significant figures.

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|QH| =

2.606×10⁷

J

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Part B

How much energy E must be supplied to the device?

Express your answer in joules.

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E E =		J

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