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A freezer has coefficient of performance equal to 5. When $3.6 \times 10^{6}$ J work is done on the freezer, what mass of water at 0⁰C is converted into ice cubes at 0⁰C.

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≈5kg

≈3.6kg

≈54kg

≈107kg

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detailed solution

Correct option is C

We know, Coefficient of Performance, COP=QWAnd Q=mL and latent heat of fusion of water, L=334×103Jkg-1Hence, m=COP×WL=5×3.6×106334×103=53.8kg

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A freezer has coefficient of performance equal to 5. When 3.6×106J work is done on the freezer, what mass of water at 00C is converted into ice cubes at 00C.

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Ready to Test Your Skills?

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A freezer has coefficient of performance equal to 5. When $3.6 \times 10^{6}$ J work is done on the freezer, what mass of water at 0⁰C is converted into ice cubes at 0⁰C.