[geeks] Odd (non-computer) question....

[Mouse]

Suppose we have a cube of air at STP, one metre on a side.

Now, consider an ideal plane, passing through the middle of this cube,
dividing it into two volumes each 1m by 1m by 50cm.

Question: what is the expected number of molecular bonds that plane
intersects at any particular moment?

It's easy enough to work out how many molecules are in that cubic
metre.  But I'm having trouble figuring out the rest of it.  Given how
tiny a molecule is as compared to the mean space per molecule, I expect
the number to be small, but I don't know whether it's small as in the
expected number is .01, or as in 10, or as in 10000, or what.

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