A coffee cup calorimeter contains water at an initial temperature of 20.0 °C and the whole apparatus is calculated to have a calorimeter constant (heat capacity) of 75.0 J/ °C. A 28 g piece of an unknown metal is removed from a pot of boiling water with a temperature of 100.0 °C and placed into the calorimeter. The contents of the calorimeter come to an average temperature of 27.0 °C. What is the specific heat capacity of the metal? A) 0.26 J/g. °C B) 3.89 J/g °C C) 4.18 J/g °C D) 7.19 J/g. °C E) 75.0 J/g. °C

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A coffee cup calorimeter contains water at an initial temperature of 20.0 °C and the whole
apparatus is calculated to have a calorimeter constant (heat capacity) of 75.0 J/ °C. A 28 g piece
of an unknown metal is removed from a pot of boiling water with a temperature of 100.0 °C and
placed into the calorimeter. The contents of the calorimeter come to an average temperature of
27.0 °C. What is the specific heat capacity of the metal?
A) 0.26 J/g. °℃
B) 3.89 J/g. °℃
C) 4.18 J/g °C
D) 7.19 J/g °C
E) 75.0 J/g °C
Transcribed Image Text:A coffee cup calorimeter contains water at an initial temperature of 20.0 °C and the whole apparatus is calculated to have a calorimeter constant (heat capacity) of 75.0 J/ °C. A 28 g piece of an unknown metal is removed from a pot of boiling water with a temperature of 100.0 °C and placed into the calorimeter. The contents of the calorimeter come to an average temperature of 27.0 °C. What is the specific heat capacity of the metal? A) 0.26 J/g. °℃ B) 3.89 J/g. °℃ C) 4.18 J/g °C D) 7.19 J/g °C E) 75.0 J/g °C
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