How do trees grow? What about flowers? Vegetables of any kind? All of these plants require photosynthesis, which is a chemical reaction that plants use to grow. Plants that rely on photosynthesis for survival produce grains, sugar, and many other goodies. Without chemical reactions, cookies just wouldn't be the same.
A balanced chemical equation always obeys the Law of Conservation of Mass which states that in any chemical reaction, the mass of the products is always equal to the mass of the reactants.
Chemical Reactions Essay - 304 Words
If we start out with two chlorine atoms in the reactants, we must end up with two chlorine atoms in the products.
In a proper chemical equation, the reactants and products are always properly balanced.