In answering the questions that follow, consider this reaction, which is at equl

Question

In answering the questions that follow, consider this reaction, which is at equlbrium: 24) 24) What would be the effect of adding a few grams of NH4Cl to the system? A) The composition of the gas phase will not change B) The total pressure of the system will decrease. The pressure of NH3(g) and HC(g) will increase D) The pressure of NH3(3) will decrease. 25) In the synthesis of NH3 by the reaction because it enables a faster reaction: A catalyst is important in the preparation of ammonia A) at lower temperature B) at lower temperature to be used where the equilsbrium constant is smaller. Q at higher temperature to be used where the equilibrium constant is larger D) at lower temperature to be used where the equilibrium constant is larger to be used where competing reactions do not occur

Explanation / Answer

24 ) Answer: (c)

Explanation:

According to Le Chatelier's principle, If any of the concentration of equilibrium components increases, the equilibrium moves towards the lower concentration side.

25) Answer: (a)

The reaction is the Exothermic reaction. Hence the lower temperature is favourable condition for the forward reaction.

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