Question:

Does to much oxygen in a room make it more flammable?

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Does to much oxygen in a room make it more flammable?

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  1. Remember the Apollo astronauts who were burned to a crisp in seconds from a fire in the capsule when it was filled with oxygen?


  2. Yes. It is easier to light a flame in a room with more oxygen in it, and for that flame to burn more intensely.

    That's why you aren't supposed to go near an oxygen tent with a flame.

  3. What do you mean by "it"?  The oxygen?  The room?  Something in the room you haven't told us about?  Ninjas?

    Oxygen isn't flammable.  "Flammable" generally is taken to mean something like "once heated, capable of taking part in a sufficiently exothermic combustion reaction with atmospheric oxygen gas that the reaction becomes self sustaining".  You can't burn oxygen in oxygen, no matter how much you have.  So if by "it" you mean "oxygen", then no.

    Stuff in a room (or, you know, anywhere, really) that was flammable in normal air will become more flammable if you increase the O2 pressure.  Simple kinetics -- reaction rates are proportional to the concentrations of the reactants, and O2 is a reactant in any combustion reaction.  More O2, faster combustion rate, more heat released more quickly, increased temperature, which increases the reaction rate, which....  This would apply to the walls of the room, and so, I suppose, to the room itself.  So if by "it" you mean "the room", then yes.

    Ninjas, of course, are only flammable when they want to be.


  4. see it for yourself, in the link below. of course the caravan is also filled with acetylene which burns extremely hot, but without pure oxygen mixed with it, it doesnt burn all that hot.  

  5. If the heat and fuel are there,  oh yea.

  6. yes that is why tin foil only burns in rooms with pure oxygen

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