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During the melting of a slab of ice at 273 k at atmospheric pressure, a) positive work is done by the ice water system on the atmosphere b) positive work is done on the ice water system by the atmosphere c) as the temperature remains constant, internal energy does not change d) the internal energy of the ice water system decreases

During the melting of a slab of ice at 273 k at atmospheric pressure,
a) positive work is done by the ice water system on the atmosphere
b) positive work is done on the ice water system by the atmosphere
c) as the temperature remains constant, internal energy does not change
d) the internal energy of the ice water system decreases

Grade:12

1 Answers

Eshan
askIITians Faculty 2095 Points
5 years ago
Dear student,

Since the volume of water decreases on melting, and the atmospheric pressure acts in direction of compression, the work done by atmosphere is positive.

Regards.

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