Anyone know?

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Anyone know?

Postby Math_Impared » Tue May 17, 2005 1:27 am

Anyknow know anything about compressed gas cylinders? How many cubic feet does a 40 LB propane cylinder have? Whats a way to figure cubic feet from LBS?
Math_Impared
 
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Joined: Fri Apr 29, 2005 7:55 pm

Postby Guest » Tue May 17, 2005 1:49 am

1) From chemical formula and periodic table, add up the atomic weights in the chemical formula to determine the molar mass.
2) Divide the mass of gas you have by the molar mass to get number of moles.
3) Plug number of moles and pressure, temperature conditions into the Ideal gas law, PV = nRT

If you want to work in English units, you'll have to find R, the gas constant, in appropriate units.
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Re: Anyone know?

Postby lpmike » Sun Jan 13, 2013 10:06 am

Math_Impared wrote:Anyknow know anything about compressed gas cylinders? How many cubic feet does a 40 LB propane cylinder have? Whats a way to figure cubic feet from LBS?

4.24 lbs/gal
35.97 cu. ft./gal.
so:
40 lbs divided by 4.24=9.43gals.
9.43 galsx35.97 cu.ft.=339.34 cu.ft.
lpmike
 


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