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Re: I usually boil water for tea using a(n) ...

by Don Coyote (Monk)
on Feb 02, 2013 at 11:59 UTC ( #1016699=note: print w/ replies, xml ) Need Help??


in reply to I usually boil water for tea using a(n) ...

A basic physics premise: A vessel containing water will not reach a higher temparature than the containing fluids until after such a time as the vessel no longer contains any contents.

Applying the premise, a Spanish friend and myself conducted the experiment of boiling water on a gas stove. Using not a traditional metallic vessel, but in the interests of developing a cost effective alternative, we used a rapidly folded oragami prototype. Yes. Paper!

Started well.

Another physics premise... water is flammable?


coyote


Comment on Re: I usually boil water for tea using a(n) ...
Re^2: I usually boil water for tea using a(n) ...
by swampyankee (Parson) on Feb 19, 2013 at 19:26 UTC

    Yes, water can burn, but not using oxygen as an oxidizing agent. See http://pipeline.corante.com/archives/2008/02/26/sand_wont_save_you_this_time.php, noting especially the quote:

    It is, of course, extremely toxic, but that's the least of the problem. It is hypergolic with every known fuel, and so rapidly hypergolic that no ignition delay has ever been measured. It is also hypergolic with such things as cloth, wood, and test engineers, not to mention asbestos, sand, and water-with which it reacts explosively. It can be kept in some of the ordinary structural metals-steel, copper, aluminium, etc.-because of the formation of a thin film of insoluble metal fluoride which protects the bulk of the metal, just as the invisible coat of oxide on aluminium keeps it from burning up in the atmosphere. If, however, this coat is melted or scrubbed off, and has no chance to reform, the operator is confronted with the problem of coping with a metal-fluorine fire. For dealing with this situation, I have always recommended a good pair of running shoes.

    Not only will water burn with ClF3, it will spontaneously burst into flame!


    Information about American English usage here and here. Floating point issues? Please read this before posting. — emc

      Yes, water can burn, but not using oxygen as an oxidizing agent.
      Going the other direction, water can also be used as the oxidizing agent, depending on what you want to burn. (Things on the left hand side of the periodic table tend to work rather well.)

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