#"H"_ 2"O"_((l)) rightleftharpoons "H"_2"O"_((g))# What happens when this system reaches equilibrium?

1 Answer
anor277
Dec 20, 2016

The water gas will express a #"saturated vapour pressure"#.

Explanation:

IF you collect a gas over water, you always have to take into account #P_"SVP"#, the #"saturated"# or #"equilibrium vapour pressure"# for a given temperature. #P_"SVP"# values are extensively tabulated. Would you expect #P_"SVP"# to rise or fall with temperature? At a temperature of #100# #""^@C#, can you quote #P_"SVP"#?

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