What Quantity,in Moles,of Oxygen Is Consumed When 369 $\to$ H₂O $\ell$ ); $\Delta$

question 14

Multiple Choice

What quantity,in moles,of oxygen is consumed when 369.3 kJ of energy is evolved from the combustion of a mixture of H₂(g) and O₂(g) ?
H₂(g) + O₂(g) $\to$ H₂O( $\ell$ ) ; $\Delta$ _rH° = -285.8 kJ/mol-rxn

• A) 0.6461 mol
• B) 1.292 mol
• C) 0.3869 mol
• D) 1.146 mol
• E) 0.1461 mol

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