Which of the following changes will shift the equilibrium to the right in the re

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Question: Which of the following changes will shift the equilibrium to the right in the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)? (2021)

Options:

Correct Answer: Increasing the pressure

Exam Year: 2021

Solution:

Increasing the pressure will shift the equilibrium to the side with fewer moles of gas, which is the right side (2 moles of NH3) in this case.

Which of the following changes will shift the equilibrium to the right in the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)? (2021)

Which of the following changes will shift the equilibrium to the right in the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)? (2021)

Step 1: Identify the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g).
Step 2: Count the number of gas moles on each side of the reaction.
Step 3: On the left side, there are 1 mole of N2 and 3 moles of H2, totaling 4 moles of gas.
Step 4: On the right side, there are 2 moles of NH3.
Step 5: Compare the total moles of gas: 4 moles on the left vs. 2 moles on the right.
Step 6: Understand that increasing pressure in a reaction shifts the equilibrium towards the side with fewer moles of gas.
Step 7: Since the right side has fewer moles (2 moles of NH3), increasing pressure will shift the equilibrium to the right.

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