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Tag: Pressure


Henry’s Law
Henry’s Law

Henry's Law describes the relationship between the solubility of a gas in a liquid and the partial pressure of that gas above the liquid surface. A range of experimentally determined Henry's constants are tabulated and can be used to determine the solubility of various gas species in water.


Raoult’s Law
Raoult’s Law

Raoult's law gives a method of estimating the composition and pressure of the vapour above a liquid mixture. This article describes the basis of Raoult's law and provides an example of how to apply it.


Dalton’s Law

Dalton's law provides a method by which the total pressure of a gas mixture can be calculated using the partial pressures of the component gases of the mixture.


Conversion Between Head and Pressure
Conversion Between Head and Pressure

This article presents the method to convert between pressure and head for several common unit sets. Head relates the pressure of a fluid to the height of a column of that fluid which would produce an equivalent static pressure at its base. It is particularly useful for the specification of pumps as it provides a measure of pressure as it is independent of fluid density.