Using the Following Equation for the Combustion of Octane,calculate the Heat

question 96

Multiple Choice

Using the following equation for the combustion of octane,calculate the heat associated with the combustion of excess octane with 100.0 g of oxygen assuming complete combustion.The molar mass of octane is 114.33 g/mole.The molar mass of oxygen is 31.9988 g/mole. 2 C₈H₁₈ + 25 O₂ → 16 CO₂ + 18 H₂O ΔH°_rxn = -11018 kJ

• A) -17220 kJ
• B) -2152 kJ
• C) -4304 kJ
• D) -11018 kJ
• E) -1337 kJ

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