If a reaction is at equilibrium and the volume of the container is decreased, wh

Practice Questions

Q1
If a reaction is at equilibrium and the volume of the container is decreased, what will happen?
  1. Shift to the side with more moles of gas
  2. Shift to the side with fewer moles of gas
  3. No effect
  4. Reaction stops

Questions & Step-by-Step Solutions

If a reaction is at equilibrium and the volume of the container is decreased, what will happen?
  • Step 1: Understand that a chemical reaction can reach a state called equilibrium, where the forward and reverse reactions occur at the same rate.
  • Step 2: Know that the reaction takes place in a container that has a certain volume.
  • Step 3: When the volume of the container is decreased, the space for the gas molecules becomes smaller.
  • Step 4: This decrease in volume causes the pressure inside the container to increase.
  • Step 5: According to Le Chatelier's principle, if the pressure increases, the equilibrium will shift to reduce that pressure.
  • Step 6: The equilibrium will shift towards the side of the reaction that has fewer moles of gas, as this will help decrease the pressure.
  • Le Chatelier's Principle – This principle states that if a system at equilibrium is subjected to a change in conditions (such as pressure, temperature, or concentration), the system will adjust to counteract that change and restore a new equilibrium.
  • Gas Laws – Understanding how changes in volume affect pressure and the behavior of gases is crucial in predicting the direction of the equilibrium shift.
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