SEARCH Articles Figures Tables A comparison of the heats of hydrogenation for cyclohexene, 1,3-cyclo-hexadiene, and benzene. Benzene is 150 kJ mol more stable than might be expected for cyclohexatriene. [Publishers Imprint] See Also: A comparison of the heats of hydrogenation for cyclohexene, 1,3-cyclo-hexadiene, and benzene. Benzene is 150 kJ mol more stable than might be expected for cyclohexatriene. A comparison of the heats of hydrogenation for cyclohexene, 1,3-cyclo-hexadiene, and benzene. Benzene is 150 kJ mol more stable than might be expected for cyclohexatriene.