Yahoo Answers: Answers and Comments for Why must only SI units be used when making calculation using the ideal gas equation? [Chemistry]
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From Cute
enUS
Tue, 25 Jun 2019 21:58:11 +0000
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Yahoo Answers: Answers and Comments for Why must only SI units be used when making calculation using the ideal gas equation? [Chemistry]
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From billrussell42: you can use any units you want as long as you ...
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Tue, 25 Jun 2019 22:33:10 +0000
you can use any units you want as long as you use the value of the gas constant that applies to those units.
reference has a list of 20 or so values for R, including ones with temp in rankine, and volume in cubic feet.
https://www.cpp.edu/~lllee/gasconstant.pdf

From alan P: You can use any set of consistent units
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Sat, 29 Jun 2019 18:51:48 +0000
You can use any set of consistent units

From Anonymous: Why must?
the short answer is you don't.
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Thu, 27 Jun 2019 02:44:48 +0000
Why must?
the short answer is you don't.

From Zirp: So people from around the world can read and u...
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Tue, 25 Jun 2019 22:29:39 +0000
So people from around the world can read and understand what you calculated and noted

From L. E. Gant: Primarily because that's the way it is tau...
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Tue, 25 Jun 2019 22:24:04 +0000
Primarily because that's the way it is taught. The equation still holds, but the units are very different. and the arithmetic is a bit trickier, even though the same equation still holds.
Imperial (or English) units can be used as in:
https://www.me.psu.edu/cimbala/Learning/General/Gas_constant.pdf

From D g: probably the reason is the formulas are write...
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Tue, 25 Jun 2019 22:05:46 +0000
probably the reason is the formulas are writen that way ..
Kelvin temps re used because they are all positive
land the pressures hve to apply to the pressure of the equation so the result is accurate to the data given and the result wanted ..

From electron1: The constant R is 22.4 liters divided 273˚K
R ...
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Tue, 25 Jun 2019 22:14:09 +0000
The constant R is 22.4 liters divided 273˚K
R = 22.4 ÷ 273
This is approximately 0.08205. 22.4 is the number of liters of one mole of a gas at standard temperature and pressure.
P * V = n * R * T
P is in atmospheres. V is in liters. n is the number of moles. T is the temperature in ˚K. If we used different units, the value of the ideal gas constant would have to be different.