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One gram of water at 105 Pa is converted into steam at 100 C. Volume of 1 gram of steam is 1671 CC. If the latent heat of evaporation is 540lcal, the change in the internal energy due to evaporation is (A) 167 cal (B) 540 cal (C) 500 cal (D) 581 cal

One gram of water at 105 Pa is converted into steam at 100 C. Volume of 1 gram of steam is 1671 CC. If the latent heat of evaporation is 540lcal, the change in the internal energy due to evaporation is 
(A) 167 cal   (B) 540 cal  (C) 500 cal  (D) 581 cal

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