GKFix MCQ Question

If ΔH = -13.56 kJ mol⁻¹ and pΔV ≈ 0, what is ΔU?

• A. 0 kJ mol⁻¹
• B. +13.56 kJ mol⁻¹
• C. -6.78 kJ mol⁻¹
• D. -13.56 kJ mol⁻¹