Consider the combustion of octane, a component of gasoline: c8h18(l)+252o2(g)→8co2(g)+9h2o(g) part a calculate δhrxn for the combustion of octane (c8h18) by using average bond energies. express the energy in kilojoules per mole to three significant figures.

level 4 to level 2 : ))

it was spontaneous.

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