Multiple Choice
What is the mean free path of a gas of randomly-moving hard spheres of radius 2.00 × 10-9 m when the density of spheres is 3.00 × 1019 per cubic meter?
A) 1.17 × 10-4 m
B) 4.00 × 10-9 m
C) 9.76 × 10-5 m
D) 1.88 × 10-3 m
E) 4.69 × 10-4 m
Correct Answer:

Verified
Correct Answer:
Verified
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