GKFix MCQ Question

What is the ∆rH⁰ for the formation of liquid water from hydrogen and oxygen?

• A. –285.8 kJ mol⁻¹
• B. +285.8 kJ mol⁻¹
• C. –142.9 kJ mol⁻¹
• D. +142.9 kJ mol⁻¹