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7 A calorimeter contains 10 g of water at 20 C The temperature falls to...

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7 A calorimeter contains 10 g of water at 20 C The temperature falls to 15 C in 10 min When calorimeter contains 20 g of water at 20 C it takes 15 min for the temperature to become 15 C The water equivalent of the calorimeter is a 5 g b 10 g c 25 g d 50 g a

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