Coefficient of water will also be four .
The balanced chemical equation, would be:
2 N2H4 + N2O4 = 4 H20 + 3 N2
An equation for a chemical reaction is said to be balanced if both the reactants and the products have the same number of atoms and total charge for each component of the reaction. In other words, both sides of the reaction have an equal balance of mass and charge.
The reactants and products of a chemical reaction are listed in an unbalanced chemical equation, but the amounts necessary to meet the conservation of mass are not specified.
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