CO2 Formula help

  • Thread starter Hubb
  • Start date
  • #1
Hubb
6
0
I'm trying to figure a formula to determine what the pressure is in a CO2 bottle, while the liquid is still present. I am familiar with a CO2 Dynamics chart, but would like to know what the pressure would be at any temperature.

So far, what I have found through numerous hours of searching and calculating is this:

p = 4.51Te
where p is the pressure in psi
4.51 is a math constant
T is the temperature in Fahrenheit
and e is unknown (I believe it to be the expansion rate relative to the temperature but am not sure).

Any help would be appreciated

warpig.com/paintball/technical/gasses/co2pv.gif
 

Answers and Replies

  • #2
Hubb
6
0
What I was asking above was vapor pressure. Can anyone help with a formula to calculate the vapor pressure in CO2 (or anything for that matter)?
 
  • #3
Borek
Mentor
29,096
3,707
Google Clausius-Clapeyron relation.
 

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