A 655 G Sample of Aniline (C₆H₅NH₂,molar Mass = 93

question 137

Multiple Choice

A 6.55 g sample of aniline (C₆H₅NH₂,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. 4 C₆H₅NH₂(l) + 35 O₂(g) → 24 CO₂(g) + 14 H₂O(g) + 4 NO₂(g)
ΔH°_rxn = -1.28 × 10⁴ kJ

• A) 97.3 kJ/°C
• B) 38.9 kJ/°C
• C) 5.94 kJ/°C
• D) 6.84 kJ/°C
• E) 12.8 kJ/°C

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