Is helium an ideal gas?

1 Answer
Jun 2, 2016

No, but its behaviour approximates that of an Ideal Gas.


At normal temperatures and pressures, helium behaves ideally. However, if the gas is compressed and cooled repeatedly, the gas will liquefy. As a cryogenic liquid with an extremely low boiling point, approx. #4# #K#, liquid helium is used to achieve superconductivity; e.g in modern NMR spectrometers.