A coffee cup calorimeter contains water at an initial temperature of 20°C and is calculated to have a calorimeter constant (heat capacity) of 75 J/°C. A 28 g piece of an unknown metal is removed from a pot of boiling water with a temperature of 100°C and placed into the calorimeter. The contents of the calorimeter come to an average temperature of 27 °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 J/g-°C

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Question 28 of 30
A coffee cup calorimeter contains water at an initial temperature of 20°C and is
calculated to have a calorimeter constant (heat capacity) of 75 J/°C. A 28 g piece
of an unknown metal is removed from a pot of boiling water with a temperature of
100°C and placed into the calorimeter. The contents of the calorimeter come to an
average temperature of 27 °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 J/g. °C
000
000
F3
DD
F4
F5
F7
93
F10
65
&
#3
2$
3.
8.
6.
K
Transcribed Image Text:* T FL LU LOL + x Question 28 of 30 A coffee cup calorimeter contains water at an initial temperature of 20°C and is calculated to have a calorimeter constant (heat capacity) of 75 J/°C. A 28 g piece of an unknown metal is removed from a pot of boiling water with a temperature of 100°C and placed into the calorimeter. The contents of the calorimeter come to an average temperature of 27 °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 J/g. °C 000 000 F3 DD F4 F5 F7 93 F10 65 & #3 2$ 3. 8. 6. K
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