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   ocr: CH111 FINAL 1985 PAGE4 -4- The conversion of benzene to cyclonexane is a reversible exothermic reaction: Ce"el0) + 3H2(9) i C6"12(0) AH * -25 - kJ and is carried out witn aid of vanadium oxide catalyst, in a closed container. 22. Raising the temperature causes the amount of cyclohexane to a) increase rema in the same (b) decrease (d) indeterminate 23. - Conducting the reaction at a higher pressure causes the yield of C6"12 to: d increase (c) remain the same (b) decrease (d) indeterminate 24, - Addition of Hzigas) to tne feed mixture causes the yield of C"12 to: (a! increase (c) remain indeterm ...