When helium is allowed to expand into vacuum,
heating effect is observed. Its reason is that :
(a) Helium is an ideal gas
(b) Helium is an inert gas
(c) The inversion temperature of helium is very
low
(d) The boiling point of helium is the lowest
amongst the elements
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4
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I hope this question answer is 4 I am not sure
Answered by
6
Answer:
hii mate...
Helium is assumed as a non-ideal gas. When helium gas is allowed to expand into vacuum, the heating effect is observed. This is because the inversion temperature of Helium is very low. Hydrogen and Helium exhibit heating effect during Joule-Thomson expansion due to low inversion temperature.
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