A calorimeter of mass 125g contains 130g of water at 20C. A6.1g mass of stream a

Question

A calorimeter of mass 125g contains 130g of water at 20C. A6.1g mass of stream at 100C is introduced into the calorimeter andcondensed into water. What is the final temperature of the water?Assum that no heat is lost to the surroundings and that the valueof c for the calorimeter is .10 kcal/kg x C) Thank you so much A calorimeter of mass 125g contains 130g of water at 20C. A6.1g mass of stream at 100C is introduced into the calorimeter andcondensed into water. What is the final temperature of the water?Assum that no heat is lost to the surroundings and that the valueof c for the calorimeter is .10 kcal/kg x C) Thank you so much

Explanation / Answer

Mass of calorimeter   m = 125 g

Mass of water M = 130 g

Initial temp of water   t = 20 oC

Mass of steam M ‘ = 6.1 g

Heat lost by steam = heat gain by water + calorimeter

M ‘ L + M ‘ C ( 100 –T ) = M C ( T– 20 ) + m c ( T – 20 )

Where C = specific heat of water = 1 cal / g oC

            c = Specific heat of calorimeter = 0.1 cal / g oC

           L =l;atent heat of vaporization of water = 540 cal / g

Plug the values we get finaltemperature T value

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