My Math Forum partial air pressure

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 November 4th, 2016, 02:13 PM #1 Member   Joined: Oct 2016 From: Slovenia, Europe Posts: 47 Thanks: 5 partial air pressure calculate the density of air at the temperature 15°C (=288K) and at the pressure 99.5 kPa. Structure of the air is: 80% of volume is nitrogen, 20% of volume is oxygen. I am having problem with this task. Is there any correlation between partial pressure and partial volume? I already know that: density(air)= ( m(N2)+m(O2) ) / V
 January 8th, 2017, 07:02 AM #2 Newbie   Joined: Jan 2017 From: Georgia Posts: 10 Thanks: 3 P = dRT/(molar mass) P = pressure d = density R = constant, 0.08206 Lxatmxmol^-1xK^-1 T = temperature in K

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