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CH1012
1 COMPONENT SYSTEMS
I
The Different Systems
1.
One component systems
(eg just H2O)
¬
®
a)
Liquid Vapour
Vapour pressure - the pressure of a vapour
in equilibrium with its condensed phase
(ie liquid) at a specific T in a closed vessel.
in equilibrium with its condensed phase
(ie liquid) at a specific T in a closed vessel.
• is an intensive property (indep.
of amount)
• the commonly used unit is: torr (
= mm Hg)
