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Posts posted by dcstegg228

  1. N2 is indeed the Nitrogen molecule' date=' althought the best way to get that rather than the flame method (as that will be CO2 contaminated) is to put a peice of Sodium or Potassium in a sealed flask and wait a while (a few days should do it).

    the metal will react with the O2 making the oxide and you`ll be left with reasonably pure Nitrogen (with a little Argon, totaly ignorable).


    this will however create Negative pressure in the vessel, but the contents will be N2 :)


    Avoid using Lithium metal though, as that reacts with Nitrogen quite easily, and May create potentialy dangerous negative pressures that your flask cannot withstand.[/quote']

    isnt sodium in salt? or does it need to be pure? and can i make any other noble gasses?

  2. How can i purify it? right now i only have 3% and thats not good enough so how can i purify it? oh and i dont have any non household items i can add to it so pleese dont suggest it.


    Thanks for the help,


  3. I can understand your confusion then from that explanation considering what you have said' date=' sorry if i seemed abit rude!


    In the electrolysis of water, at the cathode (negative electrode) hydrogen gas (h2) is formed, and at the anode (positive electrode) oxygen gas (o2) is formed.[/quote']


    Ohhhh, i see now. I read it wrong.

  4. You cant electrolyse water and expect to make lead dioxide!!


    Before' date=' if you would like me to write an explanation, what level of chemistry are you currently at?[/quote']


    none, i have taken no chemistry but have some understanding of it, so if that thing i thought i made stands for lead.. i didnt make it. Also, i'm in ninth grade.


    Oh, and i didnt attempt to make lead dioxide. What i wanted, and expected was H2 and O... or is it just H and O or neither?

  5. i read this on a website


    "A regulated DC voltage source is preferable to ordinary batteries. Use a supply with built-in current limiting- this is a feature of almost any decent power supply, but double-check just to be safe. You can start the source out at its lowest voltage setting and gradually increase the voltage until a steady, controlled electrolysis reaction is taking place. Electrolysis can force many chemical reactions to go against their "normal" (spontaneous) direction; this will occur when a certain electric potential (i.e., applied voltage) is reached. For example, an electric current can cause Pb++ ions in water to form PbO2 (solid) and H+ (aq.), a reaction which normally proceeds the other way."


    i have no clue whjat either of theese are but i think i made pb02 and h+ , because there is a clear solid like stuff floating around in the container i made it in.

  6. No it will be mainly N2


    Try making CO2 from baking soda and vinegar


    and n2 is? nitrogen something...? id like some nitrogen to if thats what it is.. but whats the 2 for? can you explain the subscript superscript and normal numbers mean when they are next to a letter like N or H wich i think are nitrogen and hydrogen.


    all i know is h20 is 2 hydrogen one oxygen

  7. im only 15 and havent even taken chemistry in science class.. but things like this intrest me allot. i realy dont know what magnesium? whatever is and io certainly dont have it. Can i use a similar process to break it down like i do with water? or what else can i do and what will be produced?

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