Consider the Reaction C₂H₅OH(l) + 3O₂(g) → 2CO₂(g) + 3H₂O(l), ΔH = -1.37

question 11

Multiple Choice

Consider the reaction
C₂H₅OH(l) + 3O₂(g) → 2CO₂(g) + 3H₂O(l) , ΔH = -1.37 × 10³ kJ
When a 15.7-g sample of ethyl alcohol (molar mass = 46.1 g/mol) is burned, how much energy is released as heat?

• A) 87.3 kJ
• B) 4.67× 10² kJ
• C) 4.02 × 10³ kJ
• D) 4.78 kJ
• E) 2.15 × 10⁴ kJ

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