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The equation you provided represents the combustion of hexane (C6H14) with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). The enthalpy change (ΔH) for this reaction is -7709.8 kJ, indicating that the reaction is exothermic and releases heat to the surroundings. This is consistent with the fact that combustion reactions are generally highly exothermic.