What Quantity,in Moles,of Hydrogen Is Consumed in the Reaction Below

question 26

Multiple Choice

What quantity,in moles,of hydrogen is consumed in the reaction below when 307.6 kJ of energy is evolved from the combustion of a mixture of hydrogen gas and oxygen gas? H₂(g) + O₂(g) → H₂O(l) ; Δ_rH° = -285.8 kJ/mol-rxn

• A) 1.076 mol
• B) 0.5381 mol
• C) 0.9291 mol
• D) 2.076 mol
• E) 0.07628 mol

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