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Dictionary » P » Phase rule

Phase rule

phase rule

An expression of the relationships existing between systems in equilibrium: P _ V = C _ 2, where P is the number of phases, V the variance or degrees of freedom, and C the number of components; it also follows that the variance is, V = C _ 2 -P. For H2O at its triple point, V = 1 _ 2 -3 = 0, i.e., both temperature and pressure are fixed.

Synonym: gibb's phase rule.


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Re: Borax Crystals

... interesting to you because they will go into the gory details of the phase rule etc. One that you may be able to find at your local library is: "Crystals and Crystal ...

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by blcr11
Wed Apr 01, 2009 3:05 pm
 
Forum: General Discussion
Topic: Borax Crystals
Replies: 5
Views: 22381

Subspecies comparison of the Genus: Corucia

... gene would have to be contributed by both parents to achieve this color phase. Unlike the Northern Solomon subspecies, there is no establishment ... to some degree. This, of course, would be based on the time honored rule of distinct speciation depending on a species being unable to produce ...

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by Brian - LCRC
Sat Aug 26, 2006 1:15 pm
 
Forum: Evolution
Topic: Subspecies comparison of the Genus: Corucia
Replies: 1
Views: 8553

subspecies comparision of the Genus: Corucia

... gene would have to be contributed by both parents to achieve this color phase. Unlike the Northern Solomon subspecies, there is no establishment ... to some degree. This, of course, would be based on the time honored rule of distinct speciation depending on a species being unable to produce ...

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by Brian - LCRC
Fri Aug 25, 2006 8:06 pm
 
Forum: Genetics
Topic: subspecies comparision of the Genus: Corucia
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Views: 4484

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Sat Jan 07, 2006 11:27 am
 
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