- #1
bubblewrap
- 134
- 2
I learned that vapor pressure is defined in a closed system, but some questions ask me to consider vapor pressure in an open system. How is vapor pressure defined exactly? And where is this pressure acting against? Also why is it that at the boiling point, the vapor pressure and the atmospheric pressure equals? I mean is the vapor pressure acting against the atmosphere so that they cancel each other out at the boiling point? Thank you in advance.