Re: Endless Oil?

From: Dan Bloomquist (EXTRApublic21_at_lakeweb.com)
Date: 09/28/04 

Date: Tue, 28 Sep 2004 21:49:11 GMT

charliew2 wrote:
> Dan Bloomquist <EXTRApublic21@lakeweb.com> wrote in message
> news:4159C1A8.5070002@lakeweb.com...
>>
>>The mixing is not 'just' from turbulence. The average velocity of
>>molecules in the air is some third of a mile a second.
>
> But ... escape velocity is 7 miles per second, so gravity is strong enough
> to capture earth's atmosphere and maintain it. Gravity is also strong
> enough to allow you to measure the weight of the atmosphere (e.g., 14.7
> lb/in^2 at sea level, which is quite substantial)
>
> The point? Without constant mixing and turbulence, it is likely that
> something as dense as Freon 12 would tend to sink towards the ground. In
> fact, this sounds like something open to experimentation. A still room
> containing air with 10% Freon 12 in it (well mixed) should show some
> "unmixing" over time. Has this experiment been performed anywhere?

This was worked out back when Maxwell was alive. See 'the kinetic theory
of gases'. You can set a container with freon and hydrogen aside for
years. When you come back, the gases will still be perfectly mixed.

Best, Dan. 

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