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Chemistry/Thermodynamics
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Characteristics of Hess Law

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Which of the following statements about Hess's law is FALSE?
A

It relies on the principle that enthalpy is a state function.

B

It is used when the enthalpy change of a reaction cannot be measured directly.

C

It provides a straightforward method to calculate the enthalpy change of a chemical reaction.

D

It can only be used to calculate the enthalpy change of a single-step process.

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