Which of the following changes will not alter | vedclass

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Question

(D) The correct answer is $D$.
According to Le Chatelier's principle,the equilibrium position and the equilibrium concentrations of reactants and

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Addition of a catalyst

Vedclass · Answer

(D) The correct answer is $D$.
According to Le Chatelier's principle,the equilibrium position and the equilibrium concentrations of reactants and products are affected by changes in temperature,pressure,or concentration.
However,a catalyst provides an alternative pathway with a lower activation energy,increasing the rate of both the forward and backward reactions equally.
Therefore,a catalyst helps the system reach equilibrium faster but does not change the position of the equilibrium or the equilibrium concentrations of the reactants and products.

Which of the following changes will not alter the equilibrium concentration of ammonia in the reaction: $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)} \quad \Delta H = -x \text{ kJ}$?

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