- #1
astro_kat
- 28
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ok, I have no idea. If anyone could put this in simple terms it would be greatly appreciated!
Thanks
Thanks
Hess's Law is a principle in chemistry that states the total enthalpy change of a chemical reaction is independent of the pathway taken. This means that the overall energy change of a reaction is the same whether it occurs in one step or multiple steps.
Hess's Law is used to calculate the enthalpy change of a reaction by using known enthalpy values of other reactions. This allows scientists to determine the energy changes of reactions that may be difficult or impossible to measure directly.
Hess's Law is significant because it allows for the determination of enthalpy changes without having to conduct difficult or impractical experiments. It also helps to validate the law of conservation of energy, as the total energy of a reaction remains constant regardless of the pathway.
Yes, Hess's Law can be applied to all chemical reactions as long as the overall reaction involves the same reactants and products, regardless of the pathway taken.
Hess's Law assumes that the enthalpy change of a reaction is only dependent on the initial and final states, and does not take into account factors such as reaction kinetics or intermediate steps. It also relies on accurate and precise enthalpy values for the reactions used in calculations.