GKFix MCQ Question

What is the enthalpy change for the reaction: 2CO(g) + O2(g) → 2CO2(g)?

• A. +566.0 kJ mol⁻¹
• B. –566.0 kJ mol⁻¹
• C. +283.0 kJ mol⁻¹
• D. –283.0 kJ mol⁻¹