Phase equilibria involving two-component systems partition

4 Phase equilibria involving two-component systems partition 

Why does a fizzy drink lose its fizz and go fiat  

Drinks such as lemonade, orangeade or coke contain dissolved C02 gas. As soon as the drink enters the warm interior of the mouth, C02 comes out of solution, imparting a sensation we say is fizzy . 

The proportions of C02 in the space above the liquid and in the liquid are fixed according to an equilibrium constant, which we call the partition constant  

We need to note how the identities of phases 1 and 2 must be defined before K can be cited. We need to be aware that (partition) is only ever useful if the identities of phases 1 and 2 are defined. 

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PHASE EQUILIBRIA INVOLVING TWO-COMPONENT SYSTEMS PARTITION 205... 

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