at 400k temperature And 0.0821 atm the density of co2 is (g/lit)
0.01
0.11
2.5
4.4
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Answer:
don’t know how close CO2 is to an ideal gas but if that’s a safe assumption we want to use the Ideal Gas Law:
Pv=RT
Where
P is the pressure in Pascals
v is the specific volume which is the reciprocal of the density
R is the specific gas constant for CO2
and
T is the absolute temperature in deg K
v=RT/P
From www.engineeringtoolbox.com,
for CO2, R= 0.189 kJ/kg-K
From any units converter app, 0.0821 atm = 8419 Pa.
We can now calculate the specific volume
v=(0.189 kJ/kg-K)(400K)/(8319 Pa)
9.08E-03 cubic meters/kg
The density is the reciprocal of this
110 kg/cubic meter.
hope that helps
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