Problem: Consider the decomposition of liquid benzene, C6H6 (l), to gaseous acetylene, C2H2 (g):C6H6 (l) → 3 C2H2 (g)         ΔH = +630 kJ(a) What is the enthalpy change for the reverse reaction? 

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Consider the decomposition of liquid benzene, C6H6 (l), to gaseous acetylene, C2H2 (g):
C6H6 (l) → 3 C2H2 (g)         ΔH = +630 kJ
(a) What is the enthalpy change for the reverse reaction?

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