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A 30 g piece of metal at 90ºC is placed in a calorimeter containing 50.0 g of water at 22.5ºC. The calorimeter itself has a heat capacity of 3.40 J/°C, and the

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3. Tega A piece of metal weights 45 g in air and 25 g in a liquid of density 1.5 x 103 kg-m-3 kept 30°C. When the temperature of the liquid is

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