Complete combustion of 75.0 g acetylene, C2H2, liberated 3750 kJ of heat. What is the heat of combustion, ΔHcomb, of acetylene?
A) -50.0 kJ/mol
B) +50.0 kJ/mol
C) +1302 kJ/mol
D) -1302 kJ/mol
E) -0.521 kJ/mol
Correct Answer:
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