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fugacity [2015/08/17 15:00]
nikolaj
fugacity [2015/08/17 15:04] (current)
nikolaj
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 === Discussion=== === Discussion===
-Not to be confused with the fugacity coeffient $\phi$, which is a pressure value used to model abbaviations from the ideal gas model pressures. The normalized fugacity coeffient is called thermodynamic activity $a$, which models deviations from naive concentrations and is closer to $z$.+Not to be confused with the fugacity coeffient $\phi$, which is a pressure value used to model abbaviations from the ideal gas model pressures. The unitless ​normalized fugacity coeffient is called thermodynamic activity $a$, which is closer to $z$. The so called activity $a_B$ on the other hand is the non-ideal analogue of a concentration.
  
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