@adrienne @bob Video of the "penny vs nitric acid" reaction, accompanied by text of that charming anecdote.

https://www.chemedx.org/video/copper-penny-concentrated-nitric-acid

* Footnote link broke. JoCE rebranded as ChemEdX, migration of content is ongoing.

Ramette, Richard M. (1980) Exocharmic Reactions. Journal of Chemical Education
https://www.sci-hub.se/10.1021/ed057p68
"a reminiscence by Ira Remsen"

Full book: "The Life of Ira Remsen" Getman, F. H., J.Chem.Educ. (1940), p. 9-10
https://babel.hathitrust.org/cgi/pt?id=mdp.39015078668483&view=1up&seq=25

#NitricAcid #Chemistry #ChemicalReaction