Laughing Gas (1914 film) from Motion Picture News wrote, "Besides getting into a fight with two of his master's patients and getting generally in the way, [Chaplin] doesn't do anything except create roars of laughter." Laughing Gas (1914 film) Laughing Gas is a 1914 film starring Charlie Chaplin. The film is also known as Busy Little Dentist, Down and Out, Laffing Gas, The Dentist, and Tuning His Ivories. We are told Charlie is a dental assistant. He arrives at work where the patients are already waiting. He joins the tiny second dental assistant in the back room. They have a brief squabble then Charlie
Chemical substance yellow-grey mixture. No chemical process occurs, and the material can be identified as a mixture by the fact that the sulfur and the iron can be separated by a mechanical process, such as using a magnet to attract the iron away from the sulfur. In contrast, if iron and sulfur are heated together in a certain ratio (1 atom of iron for each atom of sulfur, or by weight, 56 grams (1 mol) of iron to 32 grams (1 mol) of sulfur), a chemical reaction takes place and a new substance is formed, the compound iron(II) sulfide, with chemical formula