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In a chemical change, the molecules in the reactants interact to form new substances. ... When an equation of a chemical reaction is written, it is “balanced” and shows that the atoms in the reactants end up in the products and that no new atoms are created and no atoms are destroyed.
Chemical reactions are demonstrated with the help of chemical equations. The chemical equation signifies that the same number of atoms are present on each element on each side. The chemical equation follows the law of conservation of mass in chemistry.
• A process, which takes place when a substance is brought in close to another substance and generates a new substance is termed a chemical reaction.
• The substance initially taking part in the chemical reaction is termed reactants, while the substances formed post chemical change are termed products.
• The chemical equations are used to represent a chemical reaction. The chemical equations follow the law of conservation of mass, as the mass cannot be created nor destroyed.
• That is, none of the atoms of reactants are lost in the process, they are just rearranged into the new products formed.
Thus, the chemical equation shows the balanced number of atoms of each element on each side, and therefore, shows that the chemical reaction has taken place.
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