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Re: Avogadro's shrinking! (not) - wanna bet?



In Raymond Chang's new 1996 "Essential Chemistry", Avogadro's Number is
given as the 6.022045E23 value that you quoted from 1986. I do not remember
any revision downward in the first 7 significant figures in the past 10 years.

Michael Kay, ScD, CHMM
Teaching General Chemistry as a Migrant Professor


At 10:55 PM 9/26/96 -0500, you wrote:
>SOME STUFF OMMITTED:   But we found a bit of a surprise
>when working on my dissertation (on the physics and chemistry of the
>radiolysis of water, mostly) that it has indeed been revised downward.  Like
>many of you, I had remembered the easy to memorize 6.023E23, but we found
>that it is now more like 6.021E 23, I think.  I have in front of me a 1986
>vintage heat transfer book that gives it as 6.022045E23, and as I recall
>(I'll look it up tomorrow) the most recent number we found was slightly lower.
>
>Mike Stabin
>Radiation Internal Dose
>  Information Center
>
>