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Using the Following Equation for the Combustion of Octane, Calculate

Question 42

Multiple Choice

Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 g of octane. The molar mass of octane is 114.33 g Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 g of octane. The molar mass of octane is 114.33 g . 2C<sub>8</sub>H<sub>18</sub> + 25O<sub>2</sub> → 16CO<sub>2</sub> + 18H<sub>2</sub>O H°<sub> </sub>= -11018 kJ A) 4.82 × 10<sup>3</sup> kJ B) 4.82 kJ C) 9.64 × 10<sup>3 </sup>kJ D) 1.26 × 10<sup>4 </sup>kJ . 2C8H18 + 25O2 → 16CO2 + 18H2O Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 g of octane. The molar mass of octane is 114.33 g . 2C<sub>8</sub>H<sub>18</sub> + 25O<sub>2</sub> → 16CO<sub>2</sub> + 18H<sub>2</sub>O H°<sub> </sub>= -11018 kJ A) 4.82 × 10<sup>3</sup> kJ B) 4.82 kJ C) 9.64 × 10<sup>3 </sup>kJ D) 1.26 × 10<sup>4 </sup>kJ H° = -11018 kJ


A) 4.82 × 103 kJ
B) 4.82 kJ
C) 9.64 × 103 kJ
D) 1.26 × 104 kJ

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