If a Lighter Contains 4

question 17

Multiple Choice

If a lighter contains 4.0 mL of liquid butane (den = 0.8 g/cm³) , how much potential energy does the lighter contain according to the combustion of butane:
2 C₄H₁₀( g ) + 13 O₂( g ) → 8 CO₂( g ) + 10 H₂O( l ) Δ H = − 5.75 × 10³ kJ

• A) − 5 × 10² kJ
• B) − 2 × 10² kJ
• C) − 8 × 10² kJ
• D) +4.8 × 10³ kJ

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