Dalton's law
physical law that the pressure of a mixture of ideal gases is equal to the sum of the partial pressures of its constituents
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Dalton's law states that when you have a mixture of gases, the total pressure they create is simply the sum of the pressures each gas would produce on its own. This principle is useful for understanding how gases behave in real-world situations like the air we breathe or in industrial processes.
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An illustration of Dalton's law using the gases of air at sea level.
Dalton's law (also called Dalton's law of partial pressures) states that in a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases. This empirical law was observed by John Dalton in 1801 and published in 1802. Dalton's law is related to the ideal gas laws.