Ideal Gases
The ideal gas equation can be rearranged to give an expression for the molar volume of an ideal gas:
-
- .
Hence, for a given temperature and pressure, the molar volume is the same for all ideal gases and is known to the same precision as the gas constant: R = 8.314 4621(75) J mol−1 K−1, that is a relative standard uncertainty of 9.1×10−7, according to the 2010 CODATA recommended value. The molar volume of an ideal gas at 100 kPa (1 bar) is
- 22.710 980(38) dm3/mol at 0 °C
- 24.789 598(42) dm3/mol at 25 °C
The molar volume of an ideal gas at 1 atmosphere of pressure is
- 22.414 L/mol at 0 °C
- 24.465 L/mol at 25 °C
Read more about this topic: Molar Volume
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—Ralph Waldo Emerson (1803–1882)