Comments on: Learning to split water into hydrogen and oxygen as efficiently as a plant leaf

By: apeksha

apeksha — Mon, 21 Dec 2009 13:10:15 +0000

see the project which you are doing is quite similar to what the earlier reply was. here the electrodes are the pencils. although pencils are made up of wood which is a poor conductor of electricity but don’t forget that pencil contains led or graphite which are very good conductors of electricity. here when you pass the electric current the led or the graphite acts as a conductor and the circuit becomes complete. you have added salt to the water which makes it even a better conductor of electricity. so when you pass the electric cuurent water splits into hydrogen and oxygen
and the bubbles of these gas forms around the electrode.

By: Evan

Evan — Wed, 11 Nov 2009 05:32:11 +0000

So this tells how plants can produce hydrogen and oxygen, but can someone tell me exactly how the process is in splitting water with a simple electric charge and sodium chloride and two conductors to create both hydrogen and oxygen. I’m doing a science project on how water is split into hydrogen and oxygen with a simple 9-volt battery, electric wire connected to both plus and minus sides of the battery, and two pencils sharpened on both ends with one end wrapped with the wire. I’m testing to see if the pencils and 9-volt battery can do the same as the regular platinum process. I add salt to the water and the two pencils are supposed to split the water from both ends into hydrogen and oxygen. So please inform me or email me at ____@yahoo.com and tell me the process of the water spliting. Thank you!

By: Ranjit Mathoda

Ranjit Mathoda — Sat, 20 Jun 2009 17:37:36 +0000

to make water turn into hydrogen and oxygen you run electricity through the water. it usually takes lots of electricity, but that's what nuclear submarines do to get the oxygen that lets people stay alive on them even over a long period of submerged time. to make the process more efficient dissolve the right amount of cobalt and phosphate in water, put some platinum in the water, and then run electricity through the water… oxygen bubbles out of the water and hydrogen forms around the electrode. of course to get the set up exactly right you'll have to read the scientific paper

By: claire

claire — Thu, 18 Jun 2009 22:40:52 +0000

please someone save me how the heck do you split hydrogen and oxegyn!!!!!!!!!

By: claire

claire — Thu, 18 Jun 2009 22:39:55 +0000

i still dont get it

By: slim

slim — Mon, 13 Apr 2009 13:31:41 +0000

lmsao.
wooow.
he said gosh(:

By: Ranjit Mathoda

Ranjit Mathoda — Mon, 05 Jan 2009 07:27:45 +0000

burning hydrogen in the sense you're using it (eg, not referring to reactions inside a star) is another name for oxydization. so you burn hydrogen by adding adding oxygen to it, forming water. this releases some energy. splitting water also takes energy, which for plants comes from light (photons). the point of this blog post is that you can use less energy than before by using a catalyst. the amount of energy obtained from burning hydrogen or used up in splitting water depends on the specifics of how each is done. notice that according to the law of conservation of energy, the energy doesn't disappear… it always goes somewhere, just perhaps in a different form.

By: Patrick Daniel

Patrick Daniel — Mon, 05 Jan 2009 07:09:48 +0000

does the energy of burning hydrogen exceed the initial energy needed to split H2O?

By: Ranjit Mathoda

Ranjit Mathoda — Mon, 05 Jan 2009 07:02:59 +0000

assuming there's an available oxygen atom and nothing else for two hydrogen atoms to bond to, i'd say the number of times you can split the H20 is equal to the lifespan of the universe divided by the time it takes to split and recombine once

By: Patrick Daniel

Patrick Daniel — Mon, 05 Jan 2009 06:40:24 +0000

how may times can you split H2O before you create a hydrogen ion that will no longer form with oxygen?