H20. . File: 1362193_ -( fla KB, 350x400, ) fti O. ttl bywater (( ) contains Oxygen (O) atoms, why can' t humans breathe underwater? If it contains hydrogen, wh water oxygen hydrogen
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H20

File: 1362193_ -( fla KB, 350x400, )
fti O.
ttl
bywater (( ) contains Oxygen (O) atoms, why can' t humans breathe underwater?
If it contains hydrogen, why doesn' t it catch on fire?
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Views: 39966
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Submitted: 03/02/2013
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#38 - Afterlife (03/03/2013) [-]
stickied
#13 - calsamurai (03/02/2013) [+] (5 replies)
#14 to #13 - Poor (03/02/2013) [-]
This is what I saw.
#5 - Hashenmier (03/02/2013) [+] (3 replies)
The hydrogen doesn't burn because it has already, in a sense burned. Burning is the process of reacting with oxygen, so when you react hydrogen with oxygen (burning it) you get water.
The hydrogen doesn't burn because it has already, in a sense burned. Burning is the process of reacting with oxygen, so when you react hydrogen with oxygen (burning it) you get water.
#21 - anonymous (03/02/2013) [+] (4 replies)
Because they are not molecules of oxygen. In order for us to breathe in oxygen, It must be in its diatomic form. (O3)
User avatar #23 to #21 - thegrimreaver (03/02/2013) [-]
Except that O3 is ozone, which is toxic to humans in large quantities. You're referring to O2. Two, hence the di-atomic.
User avatar #43 - RidingMyPimpmobile (03/03/2013) [+] (10 replies)
Reminds me of an old joke:

A Chemist and Physicist go to a bar together, while there they are asked what they would like to drink.
The Chemist is feeling smart and asks for some H2O
The Physicist decides to play along and says "I'll have some H2O too"
The Physicist died.
#29 - garamri (03/03/2013) [-]
Water doesn't catch fire because hydrogen is in a committed relationship with oxygen and can't be bothered to do such childish things any more. Too many responsibilities.
User avatar #7 - zigap (03/02/2013) [+] (7 replies)
Humans simply don't have the 'mechanism' required to seperate hydrogen from oxygen.
User avatar #32 - BloodyIcicle (03/03/2013) [+] (1 reply)
Am I the only one who sees a butt with gym shorts on?
User avatar #33 to #32 - mrkickasscomedy (03/03/2013) [-]
no but the on /b/ did in a very similar post to this
#56 - ermer (03/03/2013) [-]
dat ass
#36 - elizabethmakai (03/03/2013) [-]
oxygen burns too
#55 - WitchKingTroll (03/03/2013) [+] (3 replies)
I'm so sorry
#2 - teranin ONLINE (03/02/2013) [+] (1 reply)
Comment Picture
#59 - hideyowives (03/03/2013) [-]
daaaaaaaaaam dat ass
User avatar #52 - TheManTheLegend (03/03/2013) [-]
anyone else think the H2O molecule looks like a phat ass in booty shorts..?
#42 - freenarative (03/03/2013) [+] (5 replies)
Hydrogen doesn't burn on its own. it combines oxygen. Oxygen doesn't burn it allows things to burn. we need 3 things for fire 1) fuel 2) heat and 3) oxidiser
2 & 3 are variable items EG,
Heat > electronic ignition source/ IR radiation/a flaming turd ETC
Oxidiser > methane/hydrogen/oxygen/hydrocarbons (liquid ones work better)
I hope this helps.
#39 - deadmuerto (03/03/2013) [+] (2 replies)
ever heard the church argument "god created water because if scientists put H, 2, and O together, they would not get water"
#35 - anonymous (03/03/2013) [-]
H20 does contain oxygen (O) but what we breathe is O2.
#26 - anonymous (03/02/2013) [-]
H2O cannot catch on fire because it is the product of a combustion reaction. Because the reaction fully shifts towards the products and is irreversible, the presence of excess water ceases the reaction. This is why water doesn't catch fire
#6 - anonymous (03/02/2013) [-]
Looks like a butt, fapped so hard
#4 - anonymous (03/02/2013) [-]
The beauty of chemistry. Two completely different things come together to form something very much unlike either of the combined components.
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