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Standard XII
Physics
Calorimetry
Question

Bunty mixed 440 gm of ice at 0∘C with 540 gm of water at 80∘C in a bowl. Then what would remain after sometime in the bowl?
  1. only ice
  2. only water
  3. ice and water in same amount
  4. ice and water will vapourise

A
ice and water will vapourise
B
only ice
C
ice and water in same amount
D
only water
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Solution
Verified by Toppr

Energy for ice= mL=440(336)= 147840 J
Energy in water= mcθ= 540(80)(4.2)= 181440J
Since, water has more energy, the ice will completely melt while the temperature of water will decrease.
so only ice remains.

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