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One mole of methane undergoes complete combustion in a stoichiometric amount...

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Stoichiometry
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One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 → CO2 + 2H2O. Both the reactants and products are in gas phase. ΔH°298 = -730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about

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Correct Answer: Option A
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