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

question 108

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) Δ_rH° = -2220 kJ /mol
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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