What is the change in entropy of the universe

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5 kg of water at 60 degrees are put in contact with 1 kg of ice at 0 degrees and are thermally isolated from everything else. The latent heat of ice is 3.3x105 J/kg.

What is the change of entropy of the universe when 100J of energy are transferred from the water to the ice? (Approximate that the water and ice are at constant temperature)

What is the change in entropy of the universe while the ice melts?

Reference no: EM13260718

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