A coffee cup calorimeter contains 151.36 g of water at 22.50 °C. A 65.837 g piece of iron is heated to 100.78 °C. The piece of iron is added to the coffee cup caloriemter and the contents reach thermal equilibrium at 25.68 °C. The specific heat capacity of iron is 0.449 and the specific heat capacity of water is 4.184 . g-K How much heat, q, is lost by the piece of iron? 2220 J 9iron =

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A coffee cup calorimeter contains 151.36 g of water at 22.50 °C. A 65.837 g piece of iron is
heated to 100.78 °C. The piece of iron is added to the coffee cup caloriemter and the contents
J
reach thermal equilibrium at 25.68 °C. The specific heat capacity of iron is 0.449 and the
g-K
J
specific heat capacity of water is 4.184 .
g-K
How much heat,
q,
is lost by the piece of iron?
2220
J
9iron =
How much heat, q, is gained by the water?
9water =
2013.86
J
The difference between the heat lost by the piece of iron and the heat gained by the water is due to heat transfer to the styrofoam
and the heat required to raise the temperature of the calorimeter. What is the heat capacity of the styrofoam calorimeter in joules
per kelvin () ?
J
Ccalorimeter
64.023
K
What would be the final temperature of the system if all of the heat lost by the iron was absorbed by the water?
Tinal
°C
Incorrect
II
Transcribed Image Text:A coffee cup calorimeter contains 151.36 g of water at 22.50 °C. A 65.837 g piece of iron is heated to 100.78 °C. The piece of iron is added to the coffee cup caloriemter and the contents J reach thermal equilibrium at 25.68 °C. The specific heat capacity of iron is 0.449 and the g-K J specific heat capacity of water is 4.184 . g-K How much heat, q, is lost by the piece of iron? 2220 J 9iron = How much heat, q, is gained by the water? 9water = 2013.86 J The difference between the heat lost by the piece of iron and the heat gained by the water is due to heat transfer to the styrofoam and the heat required to raise the temperature of the calorimeter. What is the heat capacity of the styrofoam calorimeter in joules per kelvin () ? J Ccalorimeter 64.023 K What would be the final temperature of the system if all of the heat lost by the iron was absorbed by the water? Tinal °C Incorrect II
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