Heat and Thermal ExpansionHard

Question

5 kg of steam at 100oC is mixed with 10 kg of ice at 0oC . Choose correct alternative /s
(Given swater = 1 cal/goC, LF = 80 cal /g, LV = 540 cal/g)

Options

A.Equilibrium temperature of mixture is 160oC
B.Equilibrium temperature of mixture is 100oC
C.At equilibrium, mixture contains 13kg of water
D.At equilibrium, mixture contains 13 kg of water

Solution

       
So available heat is more than required heat therefore final temperature will be 100oC.
Mass of heat condensed = kg. Total mass of water 10 + kg
Total mass of steam = 5 - kg

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