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Question

If 80gm of steam is sent into 540g of ice, find the resultant temperature of the mixture.

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Solution

Given: If 80gm of steam is sent into 540g of ice
To find the resultant temperature of the mixture.
Solution:
As per the given criteria,
mass of ice, mi=540g
mass of the steam, ms=80g
We know
Temperature of ice, Ti=0C
Temperature of steam, Ts=100
Latent heat of vaporisation of steam, Ls=540calg1
Latent heat of fusion of ice, Lf=80calg1
Specific heat of ice, s=0.5calg1C1.
We know
Heat gained by ice=heat lost by steam
Latent heat needed to change ice at 0°C into water at 0°C + heat absorbed by water (melted ice)=heat lost by steam
miLf+mis(TTi)=msLs540×80+540×0.5(T(0))=80×54043200+270T=43200CT=0
So the final temperature of the mixture is 0C

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