In a closed system, if the volume is decreased, what will happen to the equilibr

Practice Questions

Q1
In a closed system, if the volume is decreased, what will happen to the equilibrium of the reaction 2A(g) + B(g) ⇌ 3C(g)?
  1. Shift to the left
  2. Shift to the right
  3. No change
  4. Depends on temperature

Questions & Step-by-Step Solutions

In a closed system, if the volume is decreased, what will happen to the equilibrium of the reaction 2A(g) + B(g) ⇌ 3C(g)?
  • Step 1: Understand that the reaction involves gases: 2A(g) + B(g) ⇌ 3C(g).
  • Step 2: Count the number of gas molecules on each side of the reaction.
  • Step 3: On the left side (reactants), there are 2 moles of A and 1 mole of B, totaling 3 moles of gas.
  • Step 4: On the right side (products), there are 3 moles of C, totaling 3 moles of gas.
  • Step 5: Recognize that decreasing the volume of the system increases the pressure.
  • Step 6: According to Le Chatelier's principle, the equilibrium will shift to reduce the pressure.
  • Step 7: Since both sides have the same number of moles of gas (3 moles), the equilibrium will not shift to either side.
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