When 0455 G of Anthracene,C₁₄H₁₀,is Combusted in a Bomb Calorimeter That

question 19

Multiple Choice

When 0.455 g of anthracene,C₁₄H₁₀,is combusted in a bomb calorimeter that has a water jacket containing 500.0 g of water,the temperature of the water increases by 8.63°C.Assuming that the specific heat of water is 4.18 J/(g ∙ °C) ,and that the heat absorption by the calorimeter is negligible,estimate the enthalpy of combustion per mole of anthracene.

• A)+39.7 kJ/mol
• B)-39.7 kJ/mol
• C)-7060 kJ/mol
• D)-8120 kJ/mol

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