GKFix MCQ Question

What is the enthalpy change for the reaction: 2C(graphite, s) + 3H₂(g) + ½O₂(g) → C₂H₅OH(l)?

• A. +277.7 kJ mol⁻¹
• B. –277.7 kJ mol⁻¹
• C. +138.9 kJ mol⁻¹
• D. –138.9 kJ mol⁻¹