Use average bond energies to calculate hrxn for this


If hydrogen were used as a fuel, it could be burned according to the reaction:

H2(g) + 1/2O2(g) → H2O(g)

Use average bond energies to calculate ΔHrxn for this reaction and also for the combustion of methane (CH4). Which fuel yields more energy per mole? Per gram?

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Chemistry: Use average bond energies to calculate hrxn for this
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