Homework Help: Chemistry

Posted by . on Saturday, October 24, 2009 at 11:06pm.

A quantity of N2 occupies a volume of 1 L at 290 K and 1.5 atm. The gas expands to a volume of 2.7 L as the result of a change in both temperature and pressure.

Find the density of the gas at these new conditions (in grams per liter).

Chemistry - bobpursley, Saturday, October 24, 2009 at 11:11pm
same mass, so new density= old density/2.7

what is old density? You know pressure,volume, temp, find moles
PV=nRT
convert moles to grams.
Chemistry - ., Saturday, October 24, 2009 at 11:16pm
Thank you, bobpursley! Got the answer - .653

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