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When 22.0 mL of liquid benzene (C6H6,d = 0.879 g/mL) reacts with 34.2 L of oxygen gas,measured at 1.00 atm pressure and 25°C,6.09 × 102 kJ of heat is released at constant pressure.What is ΔH° for the following reaction? (R = 0.0821 L • atm/(K • mol) )
2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(l)
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