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Mass of a calorimeter made of copper is ...

Mass of a calorimeter made of copper is 80 g. If the specific heat of copper is `"0.09 cal. g"^(-1).^(@)C^(-1)`, determine the thermal capacity and water equivalent of the calorimeter?

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`"7.2 cal.".^(@)C^(-1), 7.2 g`
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