Answer:
A negative △H corresponds to an exothermic process.
⇒ B) negative, exothermic
∆H is the change in enthalpy within a system. Enthalpy is the sum of the internal energy within that system.
H = E + PV = Change in internal energy + Pressure * Volume
In endothermic processes, the amount of energy within the system increases and therefore ∆H increases. In exothermic processes, the amount of energy within the system decreases and therefore ∆H decreases. The best way to remember this is exo is energy exiting the system.
