(3) Liquid ammonia is used in ice factory for making ice
from water. If water at 20°C is to be converted into 2 kg ice at
0°C, how many grams of ammonia are to be evaporated ?
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Explanation:
Liquid ammonia is used in ice factory for making ice from water. If water at 20 °C is to be converted into 2 kg ice at 0 °C, how many grams of ammonia are to be evaporated? (Given: The latent heat of vaporization of ammonia= 341 cal/g) Answer : 586.4 g.
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