A 6.55 g sample of aniline (C6H5NH2,molar mass = 93.13 g ) 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. 4C6H5NH2(l) + 35O2(g) ? 24CO2(g) + 14H2O(g) + 4NO2(g)
DrU= -3.20 × 103 kJ mol-1
A) 97.3 kJ
B) 38.9 kJ
C) 5.94 kJ
D) 6.84 kJ
E) 12.8 kJ
Correct Answer:
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