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# Determining how long it would take one molecule to move into the region occupied by another? HELP?

The problem is:

From the average separation between air molecules at STP, and their mean speed, estimate how long it would take one molecule to move into the region occupied by another. Assume that air consists mainly of nitrogen molecules.

I have no idea how to approach this question. Could someone please help me! Show work please. I am thinking a relevant equation is v=sqrt(3kT/m)

Update:

N2 = 28 amu

Update 2:

average distance between molecules is 3.34 E -9 m

from this how do i find the time????????????????

### 1 Answer

Relevance

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