Given the Equation Below, What Is D H for Burning

question 46

Multiple Choice

Given the equation below, what is D H for burning 8.0 g of C₂ H₂ (g) in excess O₂(g) ?
2 C₂ H₂ (g) + 5 O₂(g) 4 CO₂ (g) + 2 H₂ O ( ) D H = - 2600 kJ

• A) - 200 kJ
• B) - 400 kJ
• C) - 800 kJ
• D) - 1600 kJ
• E) none of these

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