Question

True or False: Hess's Law indicates that if there is an alternate path to run a chemical reaction, say in a series of steps, the change in enthalpy for that reaction will be the sum of the changes in enthalpy for the steps.
The question is not clear to me. Which sum? The sum of all steps, including the alternate steps or something else?
Hess's law was only used to calculate heat change of phase transitions

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