When the net change of the products and reactants is zero, the chemical reaction is in equilibrium.
Chemical reaction is defined as the process where one or more substances change their form. They are converted into other substance, either by breaking down into constituent components, or by joining of components. They can also form by change of ions, forming new products.
In a chemical reaction, during equilibrium condition, the net charge becomes zero. This means that electrons are balanced and for every positive charge, there is an equal negative charge.
Also, mass is always balanced in the chemical reaction. This states that mass on the reactant side will always be equal to mass on the product side.
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