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#1
04-05-2011, 03:58 AM
 willdejong Junior Member Join Date: Apr 2011 Posts: 1 Rep Power: 0
converting propaan liter to m2

Could somebody tell me how many m2 propaan 1 liter is? I get so many outcomes, and all of them are different... the most precise I have untill now is 1 liter propaan is 3.95 m2.

Will
#2
04-05-2011, 04:38 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,539 Rep Power: 19
Re: converting propaan liter to m2

Quote:
 Originally Posted by willdejong Could somebody tell me how many m2 propaan 1 liter is? I get so many outcomes, and all of them are different... the most precise I have untill now is 1 liter propaan is 3.95 m2. Will
In the same state, 1 L = 0.001 m³. I assume you mean the conversion from a pressurized liquid to a gas. Thjat depends greatly on the temperature and pressure of the gas and weakly of the liquid. At 60 °F (about 15 °C), the expansion from a liquid to a gas (at 101.325 kPa) is about 277:1. Thus 1L of liquid is about 277 L or 0.277 m³ of gas at atmospheric pressure.
#3
04-05-2011, 10:29 AM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,436 Rep Power: 12
Re: converting propaan liter to m2

Quote:
 Originally Posted by willdejong Could somebody tell me how many m2 propaan 1 liter is? I get so many outcomes, and all of them are different... the most precise I have untill now is 1 liter propaan is 3.95 m2. Will
I guess you are in Europe, where everything is metric? m² is an area not a volume. Are you able to write down what you are trying to find out, as it would depend how deep the gas is sitting, and at what temperature as to what area it would cover.
#4
04-05-2011, 10:36 AM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,436 Rep Power: 12
Re: converting propaan liter to m2

Quote:
 Originally Posted by JohnS At 60 °F (about 15 °C), the expansion from a liquid to a gas (at 101.325 kPa) is about 277:1. Thus 1L of liquid is about 277 L or 0.277 m³ of gas at atmospheric pressure.
Note, it is different for different gases. I use a lot of liquid nitrogen, and the expansion rate from liquid to gas at 20°C (room temperature) is 1L (liquid) to approx 680L (gas).
#5
04-05-2011, 11:01 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,539 Rep Power: 19
Re: converting propaan liter to m2

Quote:
 Originally Posted by Mrs X Note, it is different for different gases. I use a lot of liquid nitrogen, and the expansion rate from liquid to gas at 20°C (room temperature) is 1L (liquid) to approx 680L (gas).
Absolutely, and the figure I gave is probably only valid for the >95% propane we get in the US and Canada. Other places, LPG is a mixture of propane and butane, and the mix is seasonally adjusted for vapor pressure.

The other way to look at it is that the gas molar volume is about what you would expect from the ideal gas law, and the desnity of the liquid is whatever it happens to be.

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