Which of the following changes will NOT affect the position of equilibrium in a

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Question: Which of the following changes will NOT affect the position of equilibrium in a closed system?

Options:

Correct Answer: Adding a catalyst

Solution:

A catalyst speeds up the rate of both the forward and reverse reactions equally, thus it does not change the position of equilibrium.

Which of the following changes will NOT affect the position of equilibrium in a closed system?

Which of the following changes will NOT affect the position of equilibrium in a closed system?

Step 1: Understand what equilibrium means in a closed system. It is the point where the forward and reverse reactions occur at the same rate.
Step 2: Identify what factors can change the position of equilibrium. These include changes in concentration, temperature, and pressure.
Step 3: Learn about catalysts. A catalyst is a substance that speeds up a reaction without being consumed in the process.
Step 4: Realize that a catalyst affects both the forward and reverse reactions equally.
Step 5: Conclude that since a catalyst does not change the rates of the reactions relative to each other, it does not change the position of equilibrium.

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