Check the number of each element found on both sides. To balance a chemical equation the atoms of both the elements and molecules on the reactant side left side and product side right side must be equal to each other. To balance a chemical equation enter an equation of a chemical reaction and press the Balance button.
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To balance a chemical equation the atoms of both the elements and molecules on the reactant side left side and product side right side must be equal to each other. This instructable should take no longer than ten minutes. N2 H2 - NH3 On the left there is 2 N and 2 H On. Andersen explains the basics of balancing chemical equations.