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To separate H2O(liquid) into H2(gas) and O2(gas), you would use a process called electrolysis. This involves passing an electric current through the water, and collecting hydrogen as it forms as bubbles at the cathode (negative terminal), as well as collecting oxygen as bubbles at the anode (positive terminal). You will get half as much oxygen as hydrogen.
For a more detailed description, see the Wikipedia page:
http://en.wikipedia.org/wiki/Electrolysis_of_water you get H and O2 from H2O by using a method called Electrolyzation in which you separate O2 and H and this method is used in advanced submarines to have O2 from water.
Wiki User
∙ 15y ago
Wiki User
∙ 11y agoHydrogen and oxygen can be obtained from water by electrolysis, a kind of decomposition; this process is not synthesis.
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What are the products of H2O?
Hydrogen and oxygen
Is oxygen and hydrogen combined a molecular compound?
Water, H2O, is a molecule of hydrogen and oxygen. It is considered a compound. That said, yes, oxygen and hydrogen combine to make a compound that is represented by the molecule H2O.
What type of bond is H2O?
H2o is made up of hydrogen and oxygen
What does the O in H2O stand for?
The O in H2O stands for oxygen. The H represents hydrogen, and the supbscripted 2 shows that there are 2 hydrogen atoms.
What is the formula is the formula of hydrogen and oxygen?
Hydrogen contains one valence electron (one electron in its outer orbit) and oxygen contains six valence electrons, to become stable a element wants to have 8 electrons in its outer orbit. Therefore when hydrogen and oxygen combine, it will take 2 parts hydrogen and one part oxygen H2O
What is another name for hydrogen and oxygen?
Gases H2O is water.
What is the product in when gases hydrogen and oxygen react they form water?
H2o
What two gases make up H2o?
The formula for H2O is two hydrogen molecules and one oxygen molecule.
What is the main gases in sea water?
H2O is 1 hydrogen 2 oxygen atoms
What is in H2O?
2 hydrogen, one oxygen oxygen and hydrogen (2) Henceforth, H2O.
What two gases ice made of?
ice is frozen water,2 molecules hydrogen and 1 oxygen, h2o
What two elements make up the chemical structure of water?
hydrogen and oxygen are the two elements which make up water
How can H2O be formed from hydrogen and oxygen?
Two atoms of hydrogen combine with one atom of oxygen to form water. Both hydrogen and oxygen are gases at room temperature, and they need to be activated in order to form H2O when combined. The activation, through a spark or flame, produces the water when these atoms are combined.
Hydrogen plus oxygen?
Hydrogen plus oxygen= H2O
Can you live with hydrogen and oxygen instead of H2O?
No, you would need energy to combine hydrogen and oxygen into H2O
What gases are in the water?
Hydrogen and Oxygen are the gases present in water in the ratio of 2:1 respectively with a covalent bond.The molecular formula is H2OWhen hydrogen is burnt in presence of oxygen, water is formed that can be written as;(Heat) H2 + O2 -------) H2O
What molecule are hydrogen and oxygen?
Any molecule that contains both hydrogen and oxygen can be split into its component parts. Simple H2O, water, is the simplest. H2O2, hydrogen peroxide, is another example.
