6.02 x 10 to the 23rd - a photo on Flickriver

6.02 x 10 to the 23rd

            The We're Here! gang is celebrating Dead Scientists today. Here I am honouring Amedo Carlo Avogadro (1776-1856), the Italian physicist known for his contribution to molecular theory, now known as Avogadro's Law, which states that equal volumes of gases under the same conditions will contain the same number of molecules.

The title refers to Avogadro's number, or the Avogadro constant. I had a chemistry teacher in high school who insisted that if we remember nothing else from his class (including his name, apparently), we must remember Avogadro's number. He talked about Avogadro all the time, and even made bad jokes about him (Question: What did Avogadro's friends say as he left in a dinghy? Answer: "Av a gad ro!") Years later, when  I was waiting tables at a quaint hotel, this high school chemistry teacher showed up for lunch in my station. I greeted him with Avogadro's number, and he seemed terribly pleased that I remembered, although surely disappointed that I was waiting tables, not juggling test tubes.

Anyway, the number is the number of molecules (or atoms or beans or whatever) in a mole. The Avogadro constant is one of the seven defining constants of the International System of Units (SI).

Taken on: April 30, 2024

Tags:

Avogadro

science

We're Here!

Hereios

WAH

beans « less

Sets appears in: • WAH April 2024

Groups appears in: • Dead Scientists Society • We're Here!

Camera: Apple iPhone 15 Pro, f/2.2, 1/60 sec, 2.2mm, ISO 320 (more info) (hide info)

Camera:	Apple iPhone 15 Pro
Aperture:	f/2.2
Exposure Time:	0.017 sec (1/60)
Focal Length:	2.2mm
ISO:	320
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Program AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	Uncalibrated
Software:	17.4.1
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