Ajar is lled with monatomic helium gas at a temperature of
Chapter 30, Problem 98(choose chapter or problem)
Ajar is lled with monatomic helium gas at a temperature of 25 C. The pressure inside the jar is one atmosphere; that is, 101 kPa. (a) Find the average de Broglie wavelength of the helium atoms. (b) Calculate the average separation between helium atoms in the jar. (Note: The fact that the spacing between atoms is much greater than the de Broglie wavelength means quantum effects are negligible, and the atoms can be treated as particles.)
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