CBSE Class 9 Answered
(a) What is the value of latent heat of fusion of ice?
(b) Why is ice at 273 K more effective in cooling than water at the same temperature?
Asked by Topperlearning User | 17 May, 2016, 12:44: PM
Expert Answer
(a) The latent heat of fusion of ice is 3.34 x 105 J/kg.
(b) At 273 K, for melting, ice absorbs 3.34 x 105 J/kg of latent heat from the substance but water at 273 K cannot take any such latent heat from the substance and hence ice is more effective in cooling than water at 273 K.
Answered by | 17 May, 2016, 02:44: PM
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