A 6.55 g sample of aniline (C_{6}H_{5}NH_{2}, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter. If the temperature rose by 32.9°C, use the information below to determine the heatcapacity of the calorimeter.

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A 6.55 g sample of aniline molar mass = 93.13 g/mol) was combusted in a bomb calorimeter. If the temperature rose by 32.9°C, use the information below to determine the heat capacity of the calorimeter.

ΔH°rxn = -1.28 × 10⁴ kJ

Answer : The heat capacity of the calorimeter is,

Explanation :

First we have to calculate the moles of aniline.

Now we have to calculate the heat releases.

As, 4 mole of aniline on combustion to releases heat =

So, 0.0703 mole of aniline on combustion to releases heat =

Now we have to calculate the heat capacity of the calorimeter.

Thus, the heat capacity of the calorimeter is,