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QUESTION
Benzene is an aromatic hydrocarbon. It is a colourless and highly flammable liquid. When two moles of benzene are formed, 99.2 kJ energy is produced....
Benzene is an aromatic hydrocarbon. It is a colourless and highly flammable liquid. When two moles of benzene are formed, 99.2 kJ energy is produced.
Which of the following expressions represents the balanced chemical equation?
Question options:
6CO2 + 3H2(g) -> C6H6() + 6O2(g) DH = +49.6 kJ
12C(s) + 6H2(g) -> 2C6H6() DH = -49.6 kJ
6C(s) + 6H2(g) -> C6H6() DH = -49.6 kJ
12C(s) + 6H2(g) -> 2C6H6() DH = +99.2 kJ
