GKFix MCQ Question

What is the enthalpy change for the reaction: H₂(g) + ½ O₂(g) → H₂O(l), if the reaction is multiplied by 5?

• A. +1429.15 kJ mol⁻¹
• B. –1429.15 kJ mol⁻¹
• C. +1143.32 kJ mol⁻¹
• D. –1143.32 kJ mol⁻¹