What Is ΔH°_rxn for the Following Reaction? C₆H₆(l) + 15/2

question 126

Multiple Choice

What is ΔH°_rxn for the following reaction? C₆H₆(l) + 15/2 O₂(g) → 6CO₂(g) + 3H₂O(l)
6C(graphite) + 3H₂(g) → C₆H₆(l) ΔH°_rxn = +49.0 kJ/mol
C(graphite) + O₂(g) → CO₂(g) ΔH°_rxn = -393.5 kJ/mol
H₂(g) + ½O₂(g) → H₂O(l) ΔH°_rxn = -285.8 kJ/mol

• A) -630.3 kJ/mol
• B) -2597.8 kJ/mol
• C) -3169.4kJ/mol
• D) -3267.4 kJ/mol
• E) 630.3 kJ/mol

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