MattII
Prince
Does anyone know the name of the law that governs the relationship between temperature and gas pressure in an enclosed space?
Temperature-pressure relationships
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Goober
Turning Right ...
I believe it is Chemistry 11, Ideal Gas law. The formula is PV=nRT, or something like that.
The name is the Ideal Gas Law, I believe, and I can tell you what the variables mean, if you would like. Also, the formula above has some capital letters, some non-capitl. I am not quite sure which, but could look it up for you.
The name is the Ideal Gas Law, I believe, and I can tell you what the variables mean, if you would like. Also, the formula above has some capital letters, some non-capitl. I am not quite sure which, but could look it up for you.
Vancouver 2010
Getting Paid to Code
PV = nRT
For what you're asking, it sounds like you could get away with PV=T though, because n and R would be constant.
Edit: Just realized you were looking for the name and not the formula. Just as RealGoober said, it is the Ideal Gas Equation.
For what you're asking, it sounds like you could get away with PV=T though, because n and R would be constant.
Edit: Just realized you were looking for the name and not the formula. Just as RealGoober said, it is the Ideal Gas Equation.
Goober
Turning Right ...
HAH!!! I DID get it right. This was quite the test for my poor, foggy memory . . .
Perfection
The Great Head.
Boyle's law does this, (T/P=k)
PV=nRT is a way of combining it with Charles's law (concerning volume and pressure IIRC) Ideal gas law is a combination of Boyles and charles law
PV=nRT is a way of combining it with Charles's law (concerning volume and pressure IIRC) Ideal gas law is a combination of Boyles and charles law
Achinz
Hermit of Huangshan
IIRC it's called Boyle's Law.
Vancouver 2010
Getting Paid to Code
Oh right, Boyle's Law! That's it!
(Chemistry 11 now seems like a long time ago to me... even though I had it last semester...)
(Chemistry 11 now seems like a long time ago to me... even though I had it last semester...)
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What the others have correctly stated is teh ideal gas law. It is only really applicable for monatomic and diatomic gasses at moderate pressures & temperatures.
Much more complex equations exist for relating temperature and pressure at higher pressures and temperatures, and these are generally called "equations of state". Most of the ones in common use are cubic equations - they all (basically) provide a correction factor to the Ideal gas law, chaning it to:
PV = zRT
Where z is the gas compressibility - a measure of the deivation away from ideallity.
The real beauty of these cubic equations of state is that they also predict liquid fractions, enthalpy, entropy etc.
Much more complex equations exist for relating temperature and pressure at higher pressures and temperatures, and these are generally called "equations of state". Most of the ones in common use are cubic equations - they all (basically) provide a correction factor to the Ideal gas law, chaning it to:
PV = zRT
Where z is the gas compressibility - a measure of the deivation away from ideallity.
The real beauty of these cubic equations of state is that they also predict liquid fractions, enthalpy, entropy etc.
