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Using the Following Thermochemical Equation, Determine the Amount of Heat

Question 57

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 mol-1 2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(g) ΔrH° = -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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