From: pauld@exploratorium.edu
Date: Mon Oct 21 2002 - 13:27:33 PDT
Message-Id: <200210212027.g9LKRVu08486@isaac.exploratorium.edu> From: pauld@exploratorium.edu Subject: Re: pinhole Date: Mon, 21 Oct 2002 13:27:31 US/Pacific
If you count the ionized gas inside the sun which is mostly hydrogen (a plasma)
then yes it is 20 times denser than water.
Inside Jupiter hydrogen gas is compressed to a density greater than water. (Even
deeper it is denser than rock on Earth)
On Earth, at the critical point, gas and liquid phases of one molecule approach
the same density.
However I know of no gas you can get your hands on that is denser than any liquid
you can acquire.
In general gas has the same number of molecules per unit volume at STP. So
compared to air with mass 29 grams per mole ( 22.4 L at STP) which has a density
800 times less than most liquids you would need to find a gas at stp with a
molecular mass 800 times greater than air. Or a molecular mass of about 24,000
grams per mole.
Paul D
> Does anyone know if there is a gas that has a greater density than a liquid?
>
> l
>
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