Dalton's law

American  

noun

Physics, Chemistry.

1. the law that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases of the mixture.

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Dalton's law British  

/ ˈdɔːltənz /

noun

1. Also called: Dalton's law of partial pressures.  the principle that the pressure exerted by a mixture of gases in a fixed volume is equal to the sum of the pressures that each gas would exert if it occupied the whole volume

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Etymology

Origin of Dalton's law

Named after J. Dalton

Example Sentences

This observation is summarized by Dalton’s law of partial pressures: The total pressure of a mixture of ideal gases is equal to the sum of the partial pressures of the component gases:

From Textbooks • Feb. 14, 2019

Dalton’s law of partial pressures may be used to relate measured gas pressures for gaseous mixtures to their compositions.

From Textbooks • Feb. 14, 2019

Dalton’s law states that any gas in a mixture of gases exerts force as if it were not in a mixture.

From Textbooks • Jun. 19, 2013

Compare and contrast Dalton’s law and Henry’s law.

From Textbooks • Jun. 19, 2013

An example is Dalton’s law of the independent distributions of the gases in the atmosphere, if it were in a state of rest.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various