A 63.5-g piece of an unknown metal is heated to 92.40°C and quickly added to 100.0 g of water in a calorimeter. The initially temperature of water is 25.00°C and the final temperature of water and metal is 28.72°C. Ignoring the heat absorbed by the calorimeter, calculate the specific heat of metal.           (A) 0.265 J . g–1 . K–1          (B) 0.385 J . g–1 . K–1          (C) 0.561 J . g–1 . K–1          (D) 1.78 J . g–1 . K–1

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Chapter6: Thermochemisty
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Problem 6.144QP: A piece of iron was heated to 95.4C and dropped into a constant-pressure calorimeter containing 284...
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A 63.5-g piece of an unknown metal is heated to 92.40°C and quickly added to 100.0 g of water in a calorimeter. The initially temperature of water is 25.00°C and the final temperature of water and metal is 28.72°C. Ignoring the heat absorbed by the calorimeter, calculate the specific heat of metal. 

         (A) 0.265 J . g–1 . K–1

         (B) 0.385 J . g–1 . K–1

         (C) 0.561 J . g–1 . K–1

         (D) 1.78 J . g–1 . K–1

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