Irreversibility and freezing point depression by addition of salt


To introduce in an explanation for freezing point depression, at first a definition of  catalysis and anti catalysis is given.
The concept of catalysis is, that an alternative way of reaction is given, that runs faster than the original one.
But anti catalysis can't work this way. An alternative way, which is slower, can't stop the original way.
Anti catalysis works in that way, that the original way will be bloced.
So catalysis is a constructive and anti catalysis a destructive principle.




The effect of freezing point depression, caused by addition of salt to a solution, here is explained with the concept of anti catalysis.
The equilibrium is determined by two contrary prozesses, crystallisation and dissolution of water.
However an ion of salt can bloc only crystallisation by occupying a place in the crystall structure. Dissolving remains possible.
And so, by blocing of only one direction of this process, the equilibrium is shifted and the freezing point drift to a lower temperature.
But what has this to do with the concept of irreversibility ? In the original sense of irreversibility, the phenomeneon is described as catalysis, which opens only one direction of a process. But the same result is possible, if only one way is bloced.

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