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(Solved): A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of ...



A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter. In the laboratory a student burns a 0.409 g sample of anthracene

(C_(14)H_(10))

in a bomb calorimeter containing 1110 g of water. The temperature increases from

24.80\deg C

to

27.80\deg C

. The heat capacity of water is

4.184(J)/(g*C)

. The molar heat of combustion is -7067 kJ per mole of anthracene.

C_(14)H_(10)(s) (33)/(2)O_(2)(g)->14CO_(2)(g) 5H_(2)O(l) Energy


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