Multiple Choice
What is the mean free path for the molecules in an ideal gas when the pressure is 100 kPa and the temperature is 300 K given that the collision cross-section for the molecules of that gas is 2.0 × 10-20 m2? The Boltzmann constant is ,Avogadro's number is
,and the ideal gas constant is
=
A) 1.1 × 10-6 m
B) 2.1 × 10-6 m
C) 1.7 × 10-6 m
D) 5.3 × 10-6 m
E) 1.5 × 10-6 m
Correct Answer:

Verified
Correct Answer:
Verified
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