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A calorimeter contains 0.25 kg of water initially at 25 C. How much ice, initially at -25 C, must be added to obtain a final

A calorimeter contains 0.25 kg of water initially at 25 C. How much ice, initially at -25 C, must be added to obtain a final temperature of 0 C with all the melted ice? If the calorimeter behaves like 0.12 kg of water

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