GKFix MCQ Question

How is the internal energy change (∆U) related to enthalpy change (∆H) in lattice dissociation?

• A. ∆H = ∆U – P∆V
• B. ∆H = ∆U + ∆ngRT
• C. ∆U = ∆H × T
• D. ∆U = ∆H / R