How many moles of O2 molecules should be supplied to burn 1 mol of CH4 molecules in a domestic furnace?

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The combustion of 1 mole of methane (CH4) in a domestic furnace requires 2 moles of O2 molecules, assuming the combustion was complete or ideal. To solve this problem, use stoichiometry of the reaction's balanced chemical equation: CH4 + 2O2 --> CO2 + 2H2O The ratio of CH4 to O2 in terms of moles is 1:2. So 1 mole of CH4 needs 2 moles of O2.

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