Below is a balanced equation. Try writing the balanced chemical equation for the reaction of nitrogen and hydrogen to produce ammonia.

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N2 + 3 H2 → 2 NH3

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Consider the reaction for the combustion of methane, CH4. Try to determine the coefficients that will make it a balanced equation before clicking through the two links below it.

___ CH4 + ___ O2 → ___ CO2 + ___ H2O

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Check Your Answer

1 CH4 + 2 O2 → 1 CO2 + 2 H2O
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The following link will give you more practice on balancing equations.

Interactive exercise. Assistance may be required. Balancing Chemical Equations