Laughing Gas (instrumental) Laughing Gas (instrumental) "Laughing Gas" was a song performed by Quiet Riot at all the live performances while Randy Rhoads played with the band. It was never recorded onto an album until a live bootleg performance was enhanced (with rerecorded vocals) and placed on "The Randy Rhoads Years". The improvised solo was just over 6 minutes long and contained clips from future songs of Ozzy Osbourne including, "Goodbye to Romance", "Mr. Crowley", "Dee", and "Crazy Train". The solo outlined Randy's talent and productivity level at such a young age. This solo also contained a reference to William Tell Overture and
Chemical formula according to the number of atoms of each element present in the formula according to these rules, with differences in earlier elements or numbers being treated as more significant than differences in any later element or number—like sorting text strings into lexicographical order—it is possible to collate chemical formulas into what is known as Hill system order. The Hill system was first published by Edwin A. Hill of the United States Patent and Trademark Office in 1900. It is the most commonly used system in chemical databases and printed indexes to sort lists of compounds. A list of formulas in