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Phase diagram of water in real life

The actions and reactions that compose our Universe.

Phase diagram of water in real life

Postby Donnieclark » Tue Dec 05, 2017 2:16 am

Hi,

All substances that are either in the liquid or solid state have a small vapor pressure which implies that they are always slowly (solids especially) evaporating and turning into a gas (vapor). The phase diagrams of water and carbon dioxide indicate only states (P , V) of pressure and temperature that are in thermodynamical equilibrium but in real life, both water and dry ice are not in equilibrium: water is present both as a liquid (in oceans and lakes) and as a vapor at the same conditions of pressure P and temperature T. That said, how is the phase diagram of water useful since water is not in stable equilibrium? Is the phase diagram useful only for water in a laboratory setting?


I didn't find the right solution from the internet.
References:

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Re: Phase diagram of water in real life

Postby nuning » Tue Apr 17, 2018 4:51 am

It is important and very useful to follow.

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