Question

How can Hess's law be used to find the h of a reaction?

Answer 1

Answer:

Explanation:

Hess's law allows the enthalpy change (ΔH) for a reaction to be calculated even when it cannot be measured directly.  If the net enthalpy change is negative (ΔHnet < 0), the reaction is exothermic and is more likely to be spontaneous; positive ΔH values correspond to endothermic reactions