-1 -1 A sample of brass, which has a specific heat capacity of 0.375 J-g •°C is put into a calorimeter (see sketch at right) that contains 250.0 g of water. The brass sample starts off at 86.8 °C and the temperature of the water starts off at 24.0 °C. When the temperature of the water stops changing it's 25.1 °C. The pressure remains constant at 1 atm. Calculate the mass of the brass sample. Be sure your answer is rounded to 2 significant digits. g X thermometer. insulated container water sample. a calorimeter

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Chapter6: Thermochemistry
Section: Chapter Questions
Problem 64E: A 110.-g sample of copper (specific heat capacity = 0.20 J/C g) is heated to 82.4C and then placed...
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A sample of brass, which has a specific heat capacity of 0.375 J.g •°C is put into a calorimeter (see sketch at right) that
contains 250.0 g of water. The brass sample starts off at 86.8 °C and the temperature of the water starts off at 24.0 °C. When the
temperature of the water stops changing it's 25.1 °C. The pressure remains constant at 1 atm.
Calculate the mass of the brass sample. Be sure your answer is rounded to 2 significant digits.
g
x10
thermometer.
insulated
container
water
sample
a calorimeter
Transcribed Image Text:A sample of brass, which has a specific heat capacity of 0.375 J.g •°C is put into a calorimeter (see sketch at right) that contains 250.0 g of water. The brass sample starts off at 86.8 °C and the temperature of the water starts off at 24.0 °C. When the temperature of the water stops changing it's 25.1 °C. The pressure remains constant at 1 atm. Calculate the mass of the brass sample. Be sure your answer is rounded to 2 significant digits. g x10 thermometer. insulated container water sample a calorimeter
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