Question
Steam at 100∘C is passed into 1.1 kg of water contained in a calorimeter of water equivalent 0.02 kg at 15∘C till the temperature of the calorimeter and its contents rise at 80∘C. The mass of the stem condensed in kilogram is
Answer: Option A
:
A
Heat lost by steam = Heat gained by water + calorimeter
∴mL+ms(100−80)=1.12×s×(80−15)
or m[540+(1×20)]=1.12×1×65
or m=1.12×1×65560=65500kgorm=0.13kg
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:
A
Heat lost by steam = Heat gained by water + calorimeter
∴mL+ms(100−80)=1.12×s×(80−15)
or m[540+(1×20)]=1.12×1×65
or m=1.12×1×65560=65500kgorm=0.13kg
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