KellaallaS KellaallaS

31-12-2015
Chemistry

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What amount of heat is required to completely melt a 29.95-gram sample of H2O(s) at 0°C?
(1) 334 J (3) 1.00 × 103 J
(2) 2260 J (4) 1.00 × 104 J

Respuesta :

01-01-2016

The latent heat of fusion for water is 334 Joules per gram. Since there are 29.95 grams, we multiply 334 by 29.95 = 10003.3 Joules, which is about choice (4) 1.00 * 10^4

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