How many grams of oxygen are needed to complete the combustion of 8 grams of methane CH4

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Fordham University

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Methane burns with oxygen to produce carbon dioxide and water as a gas. The balanced thermochemical equation is $$ \mathrm{CH}_{4}(g)+2 \mathrm{O}_{2}(g) \longrightarrow \mathrm{CO}_{2}(g)+2 \mathrm{H}_{2} \mathrm{O}(g) $$ How much methane, in grams, must be burned to release $432 \mathrm{~kJ}$ of heat?