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in Equilibrium by (30.5k points)
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A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.

(a) What is the initial effect of the change on vapour pressure? 

(b) How do rates of evaporation and condensation change initially? 

(c) What happens when equilibrium is restored finally and what will be the final vapour pressure?

1 Answer

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by (30.3k points)
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Best answer

(a) Vapour pressure decreases due to increase in volume. 

(b) Rate of evaporation remains same and rate of condensation decreases. 

(c) Finally the same vapour pressure is restored and the rate of evaporation becomes equal to the rate.

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