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Physics

Answered

How much heat must be removed by the refrigerator from 2 kg of water at 70°c to convert it to ice cubes at -11°c?

Sagot :

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Answer:

Q = -678780 J

Explanation:

Q = mcΔT

Q = 2kg (4190 J/kg °C) (-11C - 70C)

Q = -678780 J

given that the specific heat capacity of water is 4190

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