In a calorimeter of water equivalent 20 g ,water of mass 1.1 kg at 288 k temperature .If steam at teperature 373 k is passed through it and temperature of water increase by 6.5 degree c then the massss of steam condensed is
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The mass of steam condensed will be 11.8 grams.
Explanation :
The heat obtained in the calorimeter with water is equal the heat from condensing steam and the heat from cooling of water to the final temperature of calorimeter with water.
=> xL + xc(T₃ - T₂) = ( m + m') . c . (T₂ - T₁)
=> 540x + x . 1 . (373 - 294.5) = (1100 + 20) . 1 . (6.5)
=> 540x + 78.5x = 7280
=> 618.5x = 7280
=> x = 11.8 grams
Hence the mass of steam condensed will be 11.8 grams.
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