GKFix MCQ Question

What is the standard enthalpy change for the reaction C(graphite) + ½ O2(g) → CO(g)?

• A. +110.5 kJ mol⁻¹
• B. –110.5 kJ mol⁻¹
• C. –393.5 kJ mol⁻¹
• D. –283.0 kJ mol⁻¹