slime and gas..yak

[Jacobus De Bruyn]

Gentlemen, First of all I have the feeling that the gas that made Fifi keel over may have been from a different source, you dirty old man, and not from the Krazy glue. And remember that Fred sells Slime in a bottle, so it must be good, and could it be useful to get to a safer or more convenient place after a minor puncture? How do you get the stuff all over the place? Does it leak out of the tube into the tire? After a puncture, I throw out the tube anyhow. If the Slime is in the tube, and my sinus, no mess will result. Anyone with positive experiences with that stuff? I always carry tools, a handpump, a C-clamp, and a set of spare tubes. And a prop, to lift the wheel into the air. But a flat is still time consuming, (easy an hour or more) and very inconvenient. I carry rags and old burlap sacks, to make a dirt free surface, to perform this tubectomy . Jacostarica. ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ

[Tengai Mark Van Horn]

At 4:25 PM -0700 3/10/08, Harry Seifert wrote:

>...dropping pennies >into beakers of hydrochloric acid, muriatic comes to mind, just for the >pretty green gas it gives off. The pretty green gas is pure chlorine, and >extremely noxious substance. It is detectable by the human nose at 0.014 >ppm (parts per million), 46 ppm will destroy your lungs and mucous >membranes, 430 ppm will kill you in 25 - 30 minutes and levels above 1,000 >ppm will kill instantly, so definitely don't try this one at home little >buckaroos.

Copper does not react with hydrochloric acid. Now, if it's a post 1982 penny, which has a zinc core, and the surface of the penny is compromised (scratched to expose the zinc), the HCL will react with the zinc, producing zinc chloride and a non-dangerous quantity of hydrogen gas, leaving a thin copper foil shell behind, which still looks like a penny (basically a hollowed-out penny). This reaction is very slow (due to the small exposed surface area, basically takes several hours) and no quantity of chlorine gas is produced. Mark