Why is the vapour pressure of a boiling liquid the same as the ambient pressure?
1 Answer
Mar 29, 2016
Because that is the definition of a boiling point.
Explanation:
Boiling points are the conditions of temperature and pressure, when the vapour pressure of a liquid is EQUAL to the ambient pressure, and bubbles of vapour form directly in the liquid.
At the normal boiling point, the ambient pressure is specified to be