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A liquid kept in a calorimeter cools dow...

A liquid kept in a calorimeter cools down from `50^(@)C` to `40^(@)C` in 2 minutes, and an equal volume of water in that calorimeter takes 5 minutes to cool down through the same range of temperature. If the mass of the water is 100 g and that of the liquid is 85 g. then calculate the specific heat of the liquid. Water equivalent of the calorimeter = 10 g.

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`"0.4 cal.g"^(-1).^(@)C^(-1)`
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