GKFix MCQ Question

What is the standard enthalpy change for forming one mole of HBr(g) from elements?

• A. –178.3 kJ mol⁻¹
• B. –89.15 kJ mol⁻¹
• C. –36.4 kJ mol⁻¹
• D. +89.15 kJ mol⁻¹