A thermally isolated vessel contains 100 g of water at 0ºC. When air above the water is pumped out, some of the water freezes and some evaporates at 0ºC itself. then the mass of the ice formed if no water is left in the vessel. Latent heat of vaporization of water at 0ºC = 2.10 × 10 6 J/kg and latent heat of fusion of ice = 3.36 × 10 5 J/kg.
Text Solution
Verified by ExpertsThe correct answer is:
A
× 3.36 × 10 5 = 
2.1 × 10 6
m × 3.36 = 2100 – 21m
m = 
= 86.2 g.
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