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 Originally Posted by chemist
{blah} is better than {some positive constant}*T
What is the [positive constant] ?
My favorite irrelevant variable is {pink elephant} I don't know why it is just the first ridiculous thing that comes to mind but OngBonga is becoming a close second. 
You and I both know that {some constant} is the Gas Constant. It's enough for this discussion to know that the value is non-negative and non-zero.
I avoided this before because the Gas Constant can be stated in so appallingly many different combination of variables, that I didn't want to have to define it. If you bother to click the link above, it's just wikipedia, but the table on the right shows what I mean.
Since you can express the equation PV = nRT in so many ways, broken up in different ways, the value of R could be ... not anything ... but the specific value it has in any given equation might be different based on units.
E.g. in fluid dynamics, it's commonly stated PV = mRT, where m is the mass of particles of a given average density. So the value of R has to accommodate that.
I will be sure to use {ongbonga} as soon as possible.
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