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Old 10-15-2007
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Quote:
Originally Posted by vabuckeye View Post
Air, freon, water, propane, oil, and so on and so on will react to changes in temp. My point is that nitrogen will not and makes a better gas to check for leaks.
All matter reacts to changes in temp.

Like SD said (PVT), If the temp increases, and the gas is stored in a sealed container, the pressure will change. The ideal gas law works for all gases, nitrogen included.

Nitrogen is mostly inert (not fully inert), and is used so frequently because it is so widely available (78% of the atmosphere by volume).
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Last edited by Sapperwhite; 10-15-2007 at 06:58 PM.
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