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Solution: Consider the decomposition of liquid benzene, C6H6 (l), to g...

Question

Consider the decomposition of liquid benzene, C6H6 (l), to gaseous acetylene, C2H2 (g):
C6H6 (l) → 3 C2H2 (g)         ΔH = +630 kJ 

(d) If C6H6 (g) were consumed instead of C6H6 (l), would you expect the magnitude of ΔH to increase, decrease, or stay the same? Explain.