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An electric heater of power 1000 W raises the temperature of 5kg of a liquid from 25°c to 31°c in 2 minutes. Find the heat capacity of the liquid.

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asked Nov 8, 2017 in Chemistry by ankitdixit (1,339 points) ● 13 ● 60

An electric heater of power 1000 W raises the temperature of 5kg of a liquid from 25°c to 31°c in 2 minutes. Find the heat capacity of the liquid.

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+2 votes
answered Nov 8, 2017 by anukriti (13,536 points) ● 5 ● 10 ● 43

Heat is:
Q=mc∆t
=> Pxt=mc∆t
=> 1000x2=5xcx6
=> c=200/3 J/K.

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