3 Questions
When helium gas is added to the vessel at equilibrium, the concentration of SO₃ in the mixture
increases
According to Le-Chatelier's principle, the dissociation of SO₃ when helium gas is added at constant temperature and volume
increases
The addition of helium gas at constant temperature and volume causes the equilibrium position to shift towards
the right
Study Notes
Le-Chatelier's Principle
- When helium gas is added to the vessel at equilibrium, the concentration of SO₃ in the mixture decreases.
- The dissociation of SO₃ is affected by the addition of helium gas at constant temperature and volume.
- This causes the equilibrium position to shift towards the reactants, favoring the reverse reaction.
Test your understanding of Le-Chatelier's principle with this quiz on the effect of adding helium gas to a vessel containing SO₃, SO₂, and O₂ at equilibrium. See if you can determine how the dissociation of SO₃ is affected when the total pressure increases while temperature and volume remain constant.
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