The Complete Combustion of Propane, C₃H₈(g), Is Represented by the Equation

question 35

Multiple Choice

The complete combustion of propane, C₃H₈(g) , is represented by the equation: C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(l)     ΔH° = -2220 kJ
How much heat is evolved in the complete combustion of 12.5 L C₃H₈(g) at 25°C and 790 mmHg?

• A) 8.27 × 10⁴ kJ
• B) 1.41 × 10⁴ kJ
• C) 653 kJ
• D) 168 kJ
• E) 1180 kJ

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