Enter reactants → products
Balanced Equation
2H₂ + O₂ → 2H₂O
Tips for Balancing
- Start with the most complex molecule
- Balance metals and metalloids first
- Balance hydrogen and oxygen last
- Check your work by counting atoms
Balancing Chemical Equations
A balanced chemical equation obeys the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. The number of each type of atom must be equal on both sides of the equation.