Question

which statement best describes the purpose of a chemical equation? * a chemical equation shows the energy changes during a chemical reaction. a chemical equation describes the physical appearance of substances involved in a reaction. a chemical equation uses symbols and formulas to represent the reactants and products in a chemical reaction. a chemical equation lists the steps needed to perform a chemical reaction.

Explanation:

A chemical equation uses symbols and formulas to represent the reactants and products in a chemical reaction. It does not list steps to perform a reaction, mainly focus on substances and not energy changes in - depth in a basic sense, and is about substances involved rather than just physical appearance.

Answer:

A chemical equation uses symbols and formulas to represent the reactants and products in a chemical reaction.