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A coffee cup calorimeter contains 28.32 g of water, at 20.2 deg C. Then 79.68 g of water, with an initial temperature of 65.8 deg C, was added to the calorimeter. The final temperature of the water in the calorimeter was 23.5 deg C. What is the heat capacity of the calorimeter?

The specific heat of water is 4.184 J/g-1 C-1.

Remember change in temperature of cold water is equal to the change in temperature of calorimeter.

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