Lag1989 problem number 8.44

Lag1989 problem number 8.44

The mean free path of an electron in a gas is approximately 5.7 times greater than the mean free path of gas molecules. Find the average mean free path of electrons in a discharge tube containing hydrogen at a temperature t = 127 ° C and a pressure P = 1.2 Pa. The effective diameter of a hydrogen molecule is d = 0.23 nm.

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