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Separate Hydrogen and Oxygen from Water Through Electrolysis
BBC says oxygen will be at the positive node while you say negative. This is a possibly dangerous mistake on someone's part. Which is it?
I am in the process of powering a little bike engine from the gasses. Will keep u posted
So what should I use instead of using salt to do it?
to are technically right but positive it when something has less electrons so it should be negative and if something has more electrons it is negative its stupid i thing positive should be negative and vise versa
Electrolysis of brine is a chloralkali process and proceeds according to the reaction: 2NaCl + 2H2O → Cl2 + H2 + 2NaOH That is, hydrogen and chlorine are produced in equal parts. But because chloride is oxidized to chlorine more readily than oxide or hydroxide are oxidized to oxygen, no oxygen is produced from the electrolysis of brine.Much of the chlorine produced at the cathode, then reacts with the remaining sodium hydroxide forming sodium hypochlorite (aka bleach):Cl2 + 2NaOH → NaOH + NaClO + H2OTable salt dramatically increases the conductivity of the solution, thus allowing much more current flow which can make it seem like you're producing lots of gas, but you're mostly making chlorine and hot bleach and half as much hydrogen as you could be getting. Bottom like NO CHLORIDES! You're better off using baking soda or washing soda or even lye and increasing your supply voltage until you get the results you're after. PS: if you can't find big enough carbon electrodes, you can also use lead.
Putting salt in the water can produce chlorine gas when electrified. I don't think it is enough to be dangerous(pool chemicals probably contain more) but better safe than sorry.
Hi,Oxygen forms at anode (the positive electrode), and Hydrogen forms at cathode (the negative electrode). Please change the battery connections and upload the correct schematic diagram for electrolysis
Of course, now I realize that the one tube is becoming very basic with CaOH and the other is getting rather acidic with nitric acid. Wear rubber gloves or your fingers may sting.
Likely, you are making chlorine gas because you used table salt for your catalyst. It is also known as mustard gas due to its yellow color, and was used as a chemical warfare agent in WWI.; it's dissolving back into the water and turning it yellow.
I just taught Honors Chemistry again after not doing so for ten years. I used Calcium Nitrate as a catalyst. NaCl does frequently produce noticeable amounts of chlorine gas, and sodium bicarbonate (baking soda) does produce carbon dioxide with the oxygen, which negates the relighting or a wooden splint effect. I get a very good 2:1 ratio of Hydrogen to Oxygen, which seams to be rather pure.
why does the water turn yellow after that
That was a fun read....;0)
will silver wire work best, or what is best.
petrol, or petroleum by-products, are chemical chains of carbon and hydrogen. For this reason, they are all called hydrocarbons.So, yes, you CAN build petrol from hydrogen and carbon, however, it takes energy to do so. Burning hydrogen directly, in combination with atmospheric oxygen, derives plenty of energy without going through the extra steps, waste, and expense to make more complex molecules.The real problem with hydrogen is the difficulty of storing it. The molecules are so small and slippery, they tend to leak out any container you put it in. And making it dense enough to make carrying it portable for long trips is a further complication.
Maybe a vacuum pump and an old spray can could do the trick, you could control it with an arduino.
it is possible to obtain petrol from hydrogen?
can anybody share the video plz???
Hi I was wondering as this would be my first try at something like this would this work?a 9v battery, a plastic bowl, two 0.9 sticks of mechanical pencil graphite, two plastic test tubes to turn upside down on top of the graphite, and just some copper wire i have stripped from various electronic components to tie around the graphite and the correct charges on the battery?Also do the test tubes that in my case that would be on top of the graphite, do they need to be partially submerged in the water as well as shown in step 5?And if all this is true i just let it sit on there and connect it to the battery let it run for a bit then have hydrogen and oxygen?
An interesting article - thank you - though the comments are possibly more entertaining albeit for the wrong reasons :)I would go along with suggestion of replacing the table salt with something else - and providing folks are careful, would suggest caustic soda while caustic (really?) is the best choice as other than sodium, it contains nothing more than oxygen and hydrogen.Unless it acts purely as a catalyst and just "hangs around", I am guessing that baking soda may be adding carbon in the form of CO2 to the gas produced.I may be wrong on that, but certainly sodium hydroxide will NOT contribute ANYTHING as a contaminate.As for the HHO generators, I find valid points on both sides, in the first case, clearly generating the gas from an engine>alternator>battery power source is not going to yield more energy that is consumed in making it - so really not a fuel, more an inefficient conversion of one type of chemical energy into another - BUT I do believe it MAY be beneficial particularly on older cars.The more out of sorts the engine is, the more I am guessing a whiff of something extremely volatile may be of benefit - even if the amount of gas added is totally insignificant from a "fuel" point of view, possibly it does assist in enabling a more efficient burn of the vapourised petrol. This could improve performance and economy while reducing emissions.In much the same way that OLDER engines often seem to do rather well on LPG though a more moder efficient engine doesn't seem to yield a similar benefit (in both cases of course, LPG has a lower BTU than petrol but in older cars, results often seem to be better than optimal - which is almost certainly down to the fact that the old engine was struggling to burn the petrol/gasoline air mixture as efficiently as it was suppoed to - the lpg however provided an "easy more efficient combustion".)So, I suspect an HHO generator may be of benefit on an older, tired engine with poor / fouled injectors etc or during VERY cold temperatures where the conventional fuel really is not being burned as well as it should be - the HHO gas may simply assist slightly in the volatility - as well as enabling the engine to run VERY slighlty leaner by adding a stochiometric mix to one which is normally kept rich. The more gas added, the closer to a stochiometric mixture, the leaner the burn. (I would expect a decrease in CO but an increase possibly in Nx ?)In much the same way, that TINY amounts of acetone in a new car seem to do NOTHING at all of use (as you might expect as it has a lower BTU than regulalr petrol (gasoline) - yet in an old car, can sometimes make for a cleaner burn - nothing magical I suspect other than simply lowering the flashpoint slightly and making the fuel marginally more volatile?Quite happy to be challenged on the above but you don't need to tell me how many reciepts you have for education (sorry, I mean degrees), just make a fair and reasoned point, I am keen to learn when I am wrong - but I have learned just as much from people who make "happy mistakes" and go "oh wow, that's interesting", than the people who aim never to make mistakes.
think you may have the positive and negative terminals around the wrong way.
I'll second the production of hydrogen and chlorine gasses with table salt (sodium chloride). It has to do with the preference of half-reactions. See the Wikipedia article for "Electrolysis of water" for details. Sodium hydroxide, a.k.a. lye, would apparently work very well, but of course, that's caustic and therefore somewhat dangerous. Sodium bicarbonate (baking soda) will work OK as others have suggested.
I would not advise breathing the Oxygen generated by electrolysis of water:1) Unless it is separated from Hydrogen, even then it may contain 20% Ozone for the first 30 minutes.
No, you cannot use the lawnmower gas tank as a reservoir, the Oxyhydrogen would escape and become very unstable, perhaps explosive because of backfire.Yes, Hydrogen requires Oxygen to burn.It takes 2 volts to split a water molecule. Amps is what drives the process.To test what I have stated above, take a glass of water, add 1 teaspoon of baking soda, stir well and then drop a 9 volt battery into the water. Look carefully at the bubbles. You will Hydrogen produced at the Cathode (-) and Oxygen produced at the Anode (+). Twice as much Hydrogen (smaller bubbles) will be produced as Oxygen (larger bubbles).
No, you cannot use the gas tank as a 'reservoir' because of the danger of flashback.Yes, Hydrogen requires Oxygen to burn.2 Volts are required to split a water molecule.Amps determines the speed of electrolysis.Take a glass of water, stir in a teaspoon of baking soda then drop in a 9 volt battery. Hydrogen bubbles will stream up from the Cathode(-) post and Oxygen bubbles will stream up from the Anode(+) post.
yes! hydrogen need an amount of oxygen to combust.i think greater amperes has a greater extraction of hydrogen.
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