Butane (C₄H₁₀) Undergoes Combustion in Excess Oxygen to Generate Gaseous $\Delta$

question 70

Multiple Choice

Butane (C₄H₁₀) undergoes combustion in excess oxygen to generate gaseous carbon dioxide and water. Given $\Delta$ H ^$\circ$ _f[C₄H₁₀(g) ] = -124.7 kJ/mol, $\Delta$ H ^$\circ$ _f[CO₂(g) ] = -393.5 kJ/mol, $\Delta$ H ^$\circ$ _f[H₂O(g) ] = -241.8 kJ/mol, how much energy is released (kJ) when 8.30 g of butane is burned

• A) 22,100 kJ
• B) 2,658.3 kJ
• C) 379 kJ
• D) 759 kJ
• E) 2,910 kJ

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