What is the tempeature to which air must be cooled at a constant pressure to become saturated?

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What is the tempeature to which air must be cooled at a constant pressure to become saturated?

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Answer 1 · 2017-02-02T18:58:25

$"Saturated"$ with what, water vapour?

Explanation:

The $"saturated vapour pressure"$ is the vapour pressure of water at a given temperature. When a gas is collected over water, one must always account for $P_"SVP"$ at the specified temperature;

i.e. $P_"observed"$ $=$ $P_"gas"+P_"SVP"$

$P_"SVP"$ is a function of temperature; at laboratory temperatures $P_"SVP"~=20*mm*Hg$ .

How would you predict $P_"SVP"$ to evolve with increasing temperature?

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What is the tempeature to which air must be cooled at a constant pressure to become saturated?

1 Answer

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