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Dalton's law of partial pressures

Pressures are expressed here in kPa (killopascals) and pounds per square inch (psi). For the gases and pressures given, the equivalent pressures in mm Hg are as follows: oxygen 157, nitrogen 586, argon 7, water 10, and carbon dioxide 0.4. (Illustration by Andrew Jarvis on June 11, 2019. Creative Commons Attribution-Share Alike 4.0 International License, https://creativecommons.org/licenses/by-sa/4.0/legalcode.)