Question 28
Chemical Equilibrium10 g of a solid is in equilibrium with its own vapour. When 1 g of a small amount of solid is added, the vapour pressure
- A.remains the same
- B.drops
- C.increases by 1%
- D.increases by 99%
Show the answer and explanation
Answer: A (remains the same)
Explanation
The vapour pressure of a substance at a given temperature is fixed. Adding more solid does not change it, as long as the temperature stays the same.