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 October 13th, 2007, 02:58 PM #1 Senior Member   Joined: Apr 2007 Posts: 2,140 Thanks: 0 Water We know that H_20 is water. So thus, the chemistry equation for water is H_2 + O, right? If I am wrong, can anyone help me on this one a little bit? Thanks, J.
 October 13th, 2007, 07:36 PM #2 Senior Member   Joined: Dec 2006 Posts: 1,111 Thanks: 0 The correct equation would be this: 2H_2 + O_2 --> 2 H_2O When in pure form, oxygen and hydrogen always exist in diatomic molecules.
 October 21st, 2007, 06:42 AM #3 Newbie   Joined: Aug 2007 Posts: 28 Thanks: 0 i would just like to add that though the equation is pretty simple the reaction itself isnt....an extraordinary amount of energy is required to carry out the above equation...something that is substantiated by the fact that scientists have not suceeded in producing water as of yet..
October 21st, 2007, 06:46 AM   #4
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 an extraordinary amount of energy is required to carry out the above equation...something that is substantiated by the fact that scientists have not suceeded in producing water as of yet.

Actually, all it takes is a match to make water, since hydrogen and oxygen explode when mixed in the presence of enough heat. The result is water.

 October 27th, 2007, 06:39 AM #5 Global Moderator   Joined: Dec 2006 Posts: 20,004 Thanks: 1862 A chemical equation is for a particular chemical reaction, not a particular compound. Water is produced in many different chemical reactions.
October 27th, 2007, 07:35 AM   #6
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 Originally Posted by skipjack A chemical equation is for a particular chemical reaction, not a particular compound. Water is produced in many different chemical reactions.
True, though Infinity's chemical equation is quite common. It explains, for example, why there is so much moisture coming out of cars' tailpipes.

 October 28th, 2007, 03:45 PM #7 Senior Member   Joined: Oct 2007 From: Chicago Posts: 1,701 Thanks: 3 The more difficult bit is extracting hydrogen and oxygen from water. Which can be done using electrolysis.
October 28th, 2007, 04:29 PM   #8
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 Originally Posted by cknapp The more difficult bit is extracting hydrogen and oxygen from water. Which can be done using electrolysis.
Dissolve a conductor into the water and zap with current. Good 6th grade science experiment.

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