Question

What role do the coefficients serve in a chemical reaction?
Coefficients balance the equation with respect to the law of conservation of energy.
Coefficients increase the products to increase the efficiency of the reaction. Coefficients balance the equation with respect to the law of conservation of mass. Coefficients increase the reactants to help the reaction proceed.

Answer 1

It’s not the first one. While it is true that the coefficients balance the equation in terms of conservation, it is not true that this follows the law of conservation of energy. It instead follows the law of conservation of mass.

Answer 2

The coefficients balance the equation with respect to the law of conservation of mass.

• A coefficient in a balanced chemical reaction is a numeral written before the symbol of a compound or an element. Also known as a stoichiometric coefficient.
• The coefficient is used to balance the number of elements present on the reactant and product sides of a chemical reaction.
• The balancing of the number of elements on both sides is done because the chemical reaction follows the law of conservation of mass.

So, from this, we can conclude that the coefficients balance the equation with respect to the law of conservation of mass.

Learn more about the law of conservation of mass here:

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