Using the Following Thermochemical Equation, Determine the Amount of Heat

question 64

Multiple Choice

Using the following thermochemical equation, determine the amount of heat produced from the combustion of 24.3 g benzene (C₆H₆) . The molar mass of benzene is 78.11 g . 2C₆H₆(l) + 15O₂(g) → 12CO₂(g) + 6H₂O(g) H° = -6278 kJ

• A) 3910 kJ C₆H₆
• B) 1950 kJ C₆H₆
• C) 977 kJ C₆H₆
• D) 40.1 kJ C₆H₆
• E) 0.302 kJ C₆H₆

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