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It was determined In a calorimetry experiment, that a piece of copper metal of 92.0 gram released 1860 Joules of heat to the surrounding H₂O in the calorimeter (qcopper = -1860 J). what was the initial temperature of the Cu metal If the final temperature of the Cu-H₂O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)

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