Avogadro vs Loschmidt vs Jeane Baptiste Perrin

Posted by Steve Smith on
URL: http://friam.383.s1.nabble.com/Notions-of-entropy-tp7584006p7584015.html

Tom Carter sed:

p.s. Pedagogical question: An exercise I do in class from time to time is to ask this question: "What would Avogadro's Number have been if the French Revolution had failed? (Justify your answer . . .)" (Hint: step 1: what possible relation might those have to each other? :-)

Would it be Loschmidts number? 2.686 7774(47)×10²⁵  molecules per cubic meter

or  would it be simply expressed in other units?

6.02214129(27)×10²³ mol⁻¹
2.73159734(12)×10²⁶ (lb-mol)⁻¹
1.707248434(77)×10²⁵ (oz-mol)⁻¹

I'm hazy on whether to attribute any such change to France's relinquishment of the Piedmont region (whence Avogadro hailed), Avogadro's introduction of the SI system into Italian science (influenced by the French?), or Jean Baptiste Perrin's (French Nobel prizewinner) eminence that allowed him to actually name this magic number in honor of Amedeo Avogadro?

I have a question for you...

If Avogadro's number is a mole, what is an Avacado's number.

Inquiring minds want to know!

hint: it is a bad pun

- Steve





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