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Re: [Healeys] hydrogen cars

from [pennell] [Permanent Link][Original]
To: Richard Ewald <richard.ewald@gmail.com>, Frederich Ficke
Subject: Re: [Healeys] hydrogen cars
From: <pennell@cox.net>
Date: Mon, 21 Mar 2011 21:55:31 -0400 
Neither of yoiu are correct.  Hydrogen is roughly 2 times lighter than helium.  
Comparisons of atomic masses to determine density does not hold water.  Also I 
fail to see why any comparison to helium is even being made.

Keith

---- Richard Ewald <richard.ewald@gmail.com> wrote: 
> Also BTW Hydrogen is not 50 times lighter than Helium.  Hydrogen has an
> atomic weight of 1.0079.  Helium has an atomic weight of 4.0026.  If you
> want something that is 50 times heavier than Hydrogen it would be Vanadium a
> metal with an atomic weight of 50.942.
> Rick
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