# Talk:Vapor pressure/Draft

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 Definition:  The pressure of a vapor in equilibrium with its liquid or solid phase. [d] [e]
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 Workgroup categories:  Chemistry, Physics and Engineering [Categories OK] Subgroup category:  Chemical Engineering Talk Archive:  none English language variant:  American English

## Wikipedia has a similar article

I believe that I contributed to the WP article. However, I have completely rewritten, reformatted and revised it before porting here to CZ. Milton Beychok 13:26, 2 September 2008 (CDT)

## Timings

I did not see the following edits which I made at about 17.30 UTC. Now I suddenly see them, note the times! --Paul Wormer 17:57, 7 April 2009 (UTC)

## English?

The article states: fluid pressure increases above the atmospheric pressure. Can one say increases above? I would have written increases to a level above.--Paul Wormer 16:32, 7 April 2009 (UTC)

Paul, I changed the wording to read "becomes higher than the atmospheric pressure as the depth increases". Thanks for your comment and thanks for changing ${\displaystyle P_{i}}$ to ${\displaystyle P}$. Milton Beychok 18:59, 7 April 2009 (UTC)

## example

Would methylchloride not be a better example? The normal boiling point of propane is off the graph. (I hope the timer does not screw up this comment)--Paul Wormer 17:42, 7 April 2009 (UTC) PS It took more half an hour before I saw it. And Milt the clock on your talk page says 9:14, while it is 12:05 (CA time) -Paul Wormer 18:05, 7 April 2009 (UTC)

I made the change to methyl chloride as you suggested. Milton Beychok 18:55, 7 April 2009 (UTC)

## Congratulations, everyone, the article has been officially approved!

You can go to it here: http://en.citizendium.org/wiki/Vapor_pressure Hayford Peirce 04:32, 15 April 2009 (UTC)