(a) ( Le Châtelier's principle states that 'when a chemical system at equilibrium is disturbed, the system shifts in a d

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A Le Chatelier S Principle States That When A Chemical System At Equilibrium Is Disturbed The System Shifts In A D 1 (110.88 KiB) Viewed 58 times

(a) ( Le Châtelier's principle states that 'when a chemical system at equilibrium is disturbed, the system shifts in a direction that minimizes the disturbance? What is meant by the word “disturbance' in Le Châtelier's principle? [2 Marks] Answer: (b) The formation of methanol is an important industrial reaction in the processing of new fuels. The exothermic reaction is: CO (g) + 2H2 (g) + CH3OH (1) If this reaction mixture is at equilibrium, predict whether each disturbance will result in the increase OR decrease OR no effect to the partial pressure of the hydrogen gas. (i) Adding CH3OH to the reaction mixture (ii) Raising the temperature of the reaction mixture (iii) Increasing the volume of the reaction mixture (iv) Adding a catalyst to the reaction mixture [4 Marks] Answer: (i) No effect (ii) H2 increase (iii) H2 increase (iv)No effect 11