According to Hess’s law, if a series of intermediate reactions are combined, the enthalpy change of the overall reaction is
the difference between the enthalpies of the intermediate reactions.
the sum of the enthalpy changes of the intermediate reactions.
the product of the enthalpy changes of the intermediate reactions.
the fraction of the individual enthalpies of the intermediate reactions.

Question

According to Hess’s law, if a series of intermediate reactions are combined, the enthalpy change of the overall reaction is
the difference between the enthalpies of the intermediate reactions.
the sum of the enthalpy changes of the intermediate reactions.
the product of the enthalpy changes of the intermediate reactions.
the fraction of the individual enthalpies of the intermediate reactions.

anonymous · Answer

the sum of the enthalpy changes of the intermediate reactions.