GKFix MCQ Question

What is the ∆rH⁰ for 2C + 2O₂ → 2CO₂?

• A. –393.5 kJ mol⁻¹
• B. –283.0 kJ mol⁻¹
• C. –787.0 kJ mol⁻¹
• D. +787.0 kJ mol⁻¹