Chemistry / Chem 1266 · Atom · ~20 seconds
Dalton's Law of Partial Pressures
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State
In a mixture of gases that do not react, the total pressure equals the sum of each gas's own partial pressure.
Show
Combining oxygen at 300 kPa and nitrogen at 450 kPa in one container produces a total pressure of 750 kPa.
Watch for
Each gas contributes its own pressure as though the others were not present — mixing dilutes no individual gas's contribution.