State amount of energy equivalent to that produced

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2H2(g)+O2(g)=@H2O(l)

Calculate the volume of hydrogen gas at 25 celcius and 1.00atm required to produce an amount of energy equivalent to that produced by the combustion of a gallon of octane (C8H18). The density of octane is 2.66kg/gal, and its standard enthalpy of formation is -249.9kJ/mol.

Reference no: EM13193235

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