Question

what is the effect of an enzyme on the energy of a chemical reaction? * enzymes increase the free energy of the products. enzymes decrease the free energy of the reactants. enzymes decrease the difference in energy between products and reactants. enzymes decrease the activation energy of the reaction.

Explanation:

Enzymes are biological catalysts. They speed - up chemical reactions by reducing the activation energy required for the reaction to occur. They do not change the free energy of products or reactants, nor the difference in energy between them.

Answer:

Enzymes decrease the activation energy of the reaction.