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
Also called: Dalton's law of partial pressures
Word origin
C19: named after John Dalton
Dalton's law in American English
noun
Physics & Chemistry
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
Also called: Dalton's law of partial pressures, law of partial pressures