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If minimum possible work is done by a refrigerator in converting 100 grams of water at 0°C to ice, how much heat (in calories) is released

 
Physics
Last Post by nikhil04 5 years ago
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17/09/2020 5:57 pm
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aditi07 
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If minimum possible work is done by a refrigerator in converting 100 grams of water at 0°C to ice, how much heat (in calories) is released to the surroundings at temperature 27°C (Latent heat of ice = 80 Cal/gram) to the nearest integer?

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17/09/2020 6:01 pm
nikhil04 
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Q2 = mL = 8000

w/Q2 = Q1 - Q2/Q2 = T1 - T2/T2

Q1 - 8000/8000 = 27/273

Q1 = 8791

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