# How do you write a balanced chemical equation for methane, CH_4 reacting with oxygen gas to produce water and Carbon Dioxide?

$C {H}_{4} \left(g\right) + 2 {O}_{2} \left(g\right) \rightarrow C {O}_{2} \left(g\right) + 2 {H}_{2} O \left(g\right)$