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

Physics & Space Science

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Exclusion Principle: Neon has 10 electrons. What is the value of Z of the next higher element that has chemical properties very similar to those of neon?

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Physics & Space Science

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What is the mass of the other object? A) 4.11 kg B) 3.22 kg C) 4.00 kg D) 0.250 kg E) 0.800 kg

Physics & Space Science

When the Sun is on the meridian, it is by definition ______________ local solar time

Fill in the blank(s) with correct word

Physics & Space Science