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Phase Equilibria
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When a solute is shaken in two immiscible liquids it partitions itself between the two liquids in a definite ratio called the...?
partition coefficient
What does the value of the partition coefficient depend on?
The immiscible liquids involved
The solute
The temperature
What is an application of the partition of a solute beetween two liquids?
Solvent extraction
What is an application of solvent extraction?
The purification of water
What do chromatographic separations depend on?
The partition equilibrium between two phases - one stationary and the other mobile
What are examples of different types of chromatography?
Paper chromatography
Gas liquid chromatography
In paper chromatography, what are the stationary and mobiler phases?
Stationary - the water held on the paper
Mobile - Another solvent
In gas liquid chromatography, what are the stationary and mobile phases?
Stationary - a liquid held on a solid support
Mobile - a gas
What is the formula used to work out the R
f
value?
R
f
= distance travelled by compound / distance travelled by solvent
Author
Anonymous
ID
192099
Card Set
Phase Equilibria
Description
Advanced Higher Chemistry - Unit Two - Phase Equilibria
Updated
2013-01-10T19:34:14Z
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