GKFix MCQ Question

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

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