Isooctane (C8H18; density = 0.69 g/mL) is one of the many hydrocarbons that make up gasoline. Use the thermochemical reaction information below to calculate the amount of heat released when 1.00 L of isooctane is burned. 2 C8H18(l) + 25 O2(g) → 16 CO2(g) + 18 H2O(l), ΔH°rxn = ‒10148 kJ (a) 6.1×104kJ (b) 1.3×105kJ (c) 3.1×104kJ (d) 8.4×105kJ

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Isooctane (C8H18; density = 0.69 g/mL) is one of the many hydrocarbons that make up gasoline. Use the thermochemical
reaction information below to calculate the amount of heat released when 1.00 L of isooctane is burned.
2 C8H18(l) + 25 O2(g) → 16 CO2(g) + 18 H2O(l), ΔH°rxn = ‒10148 kJ
(a) 6.1×104kJ
(b) 1.3×105kJ
(c) 3.1×104kJ
(d) 8.4×105kJ

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