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A 21.10 g piece of iron and a 25.55 g piece of gold at 100.0 degree C were dropped into 520.0 mL of water at23.25 degree C. The molar heat capacities of iron and gold are 25.19J/(mol. degree C) and 25.41 J/(mol. degree C), respectively. What is the final temperature of the water and pieces of metal?

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