A nitrogen molecule has a diameter of about 0.29 nm. The mean free path of a nitrogen molecule in a tank of dry nitrogen at room temperature and standard pressure is about 0.10 ?m. A tank containing nitrogen at standard temperature and pressure has volume V. If the tank is compressed by means of a piston to 20% of its original volume, what is the mean free path for a nitrogen molecule under the new conditions?
A. 0.089 ?m
B. 0.125 ?m
C. 0.080 ?m
D. 0.112 ?m
C. 0.080 ?m
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