JAMB - Chemistry (1993 - No. 22)
10g of a solid is in equilibrium with its own vapour.
When 1 g of a small amount of solid is added, the vapour pressure?
When 1 g of a small amount of solid is added, the vapour pressure?
remains the same
drops
increases by 1%
increases by 99%
Explanation
Since the solid was at equilibrium with its own vapour, which means pressure is constant. However, if 1g of the solid was added, the pressure remains the same, since pressure of the system in equilibrium is not affected by solid.
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