Posted by Mayank Goswami on Friday, June 29, 2012 at 12:36am.
I understand the question but not the parenthetical part.
Ignoring the part in parentheses, use (P1V1/T1) = (P2V2/T2)
note: I understand vapor pressure to be the pressure of the gas above and in equilibrium with a liquid. If gas Q has a pressure of 750 mm Hg at 287 K I don't understand how it can have a pressure of 12 mm Hg at 287 K.
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