On 20-2-2009 23:06, Darren New wrote:
> andrel wrote:
>> The number of atoms in a given volume of gas at standard pressure is 
>> constant, hence the weight of a volume of N2 is 7 times that of H2 and 
>> O2 8 times. So why did you expect a few percent?
> 
> You studied physics and you're confusing atomic number with atomic mass?

yip, not paying attention and writing mail while trying to concentrate 
on sets of cubic coordinate transformations. Not a good Idea.

Reconstruction: N2 is about 7x2x2 times as heavy as one H. I know I 
corrected one factor 2 for H2, but I don't know which any more.

> <insert asshole PhD comment here>

ok: Thanks for pointing out.

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