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what is total pressure of a gas mixture is the sum of the pressure of each component ("single gas") of that mixute

daltons law
what is pressure contributed by a single gas within a mixture of gases

partial pressure
wat law is at a given temperature, the amount of a particular gas in solution is directly proportional to the partial pressure of that gas

henry's law
what is gas under pressure contacts a liquid, pressure forces gas molecules into solution "dissolved gas"

henry's law
if partial pressure is reduced, gas molecules come out of solution

henry's law
what are the factors that affect the rate of gas exchange

partial pressure difference of the gas, surface area at gas exchange sites, and diffusion distance
if the partial pressure has a bigger difference =

faster
bigger surface area =

faster exchange
shorter distance=

faster diffucsion