10g of steam at 100degree C are condensed in 1000g of water at 30degree C. Find the final temperature......
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10g of steam at 100degree C are condensed in 1000g of water at 30degree C. Find the final temperature......
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Answer:
Let M be the mass of steam condensed.
Amount of heat lost by the steam due to latent heat of condensation and due to cooling to 80
∘
C
=M×540+m(100−80)
Amount of heat absorbed by the water and calorimeter system=1100×1×(80−15)+20×1×(80−15)
From conservation of heat energy,
=M×540+M(100−80) =1100×1×(80−15)+20×1×(80−15)
⟹M=130g=0.130kg
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