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A refrigerator converts 100 g of water at 20at 10°C in 73-5 min. Calculate the averagé rate ofheat extraction in watt. The specific heat capacity ofwater is 4.2 J gl K-1, specific latent heat of ice is336 J g1 and the specific heat capacity of ice is2.1 J gl K-.°C to iceAns. 10 W

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