The Mean Free Path for a Nitrogen Molecule in a Tank

question 79

Multiple Choice

The mean free path for a nitrogen molecule in a tank of dry nitrogen at 273 K is 0.15 µm. If the diameter of a nitrogen molecule is 0.29 nm, what is the pressure in the tank?

• A) 95.1 kPa
• B) 48.0 kPa
• C) 211 kPa
• D) 299 kPa
• E) 67.2 kPa

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