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JEE Main20203 Sep 2020Evening ShiftPhysicsThermodynamicsActual

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?

Correct answer

0

Step-by-step solution

Q 2 = mL = 8000 w Q 2 = Q 1 - Q 2 Q 2 = T 1 - T 2 T 2 Q 1 - 8000 8000 = 27 273 Q 1 = 8791

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