GKFix MCQ Question

What is the enthalpy change for the reaction 2Fe(s) + 3H2O(l) → Fe2O3(s) + 3H2(g)?

• A. –33.3 kJ mol⁻¹
• B. +33.3 kJ mol⁻¹
• C. +16.6 kJ mol⁻¹
• D. –16.6 kJ mol⁻¹