# How would you balance the following equation: 3CH4(g) + O2 --> CO2 + H2O(g) + energy?

$C {H}_{4} \left(g\right) + 2 {O}_{2} \rightarrow C {O}_{2} \left(g\right) + 2 {H}_{2} O \left(g\right)$
Ethane + oxygen $\rightarrow$ carbon dioxide + water.