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CHEMISTRY: TOPIC 5 ENERGETICS

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Question:

What does Hess's law state? (3)

Author: Sammy Universe



Answer:

That the enthalpy change with a chemical reaction is independent of the pathway bw the initial and final states The enthalpy change for the direct conversion of A to B is the same as the enthalpy change for the indirect route between A and B delta Hr = delta H1 + delta H2


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