91Ó°ÊÓ

Answer: Hess's Law is consistent with the law of conservation of energy as both are based on the principle that energy cannot be created or destroyed and is conserved throughout a reaction. Hess's Law states that the total enthalpy change for a chemical reaction is the same, regardless of whether the reaction occurs in one or multiple steps, while the law of conservation of energy maintains that energy is only converted from one form to another. By summing up the enthalpy changes for each step in a reaction, we can determine the total energy change, which remains constant and doesn't depend on the path taken in the reaction. This conservation of energy during chemical reactions is at the core of both Hess's Law and the law of conservation of energy.