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(International Business Times)   Liquid nitrogen pool party stunt caught on video almost kills 200 guests, leaves man in coma   (ibtimes.com) divider line 80
    More: Stupid, Mexico, promotional events, toxicities, coma, NY Daily News, chlorine, swimming pools  
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9115 clicks; posted to Geek » on 19 Jun 2013 at 5:54 PM (43 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-06-19 08:10:32 PM

Mike Chewbacca: ZAZ: H + N + Cl → HCN + l
Simple high school chemistry.

Who knew that hydrogen gas, nitrogen gas, and aqueous chlorine come together to form hydrogen cyanide and iodine solid? I sure didn't.


ct.fra.bz
 
2013-06-19 08:48:24 PM

subfactorial: divx88: oxygen displacement is a biatch

This was my first thought but TFA say the LN2 reacted with the Chlorine? Any chemistry whiz want to comment on this because I don't see it.


I have heard that ammonia compounds (which contain nitrogen) can react with the chlorine in swimming pools to create nitrogen trichloride, which is an irritant. The most common cause is reactions with the urea in urine from people peeing in the pool. But if that were truly dangerous, the landscape would be littered with dead children every summer.

Oxygen displacement seems the most likely scenario. The gaseous N2 could be considered "toxic" (from the perspective of a journalist) in the sense that it is the agent causing harm to the people at the party.
 
2013-06-19 08:48:45 PM
If Nitrogen could react chemically with a pool, then the nitrogen that is in the air and dissolved in the pool would react with it already. This is all Physics, and no Chemistry.
 
2013-06-19 08:58:52 PM
According to a report from Univision Noticias via MSN, the liquor company's decision to fill the Leon, Mexico-located promotional event's pool with liquid nitrogen sent toxic plumes of smoke into the air

That word does not actually mean what you seem to think it means.  N2 is not toxic, it'll just suffocate you, like breathing any other low-oxygen mixture will.
 
2013-06-19 09:02:15 PM
So, in all the confusion, why didn't someone turn off the bloody music!
 
2013-06-19 09:19:06 PM
The best thing about this experience is that at the end these dipshiats concluded "well if there weren't any chlorine in the pool we would have been fine".  I'm guessing we will be using the follow up tag on these jägershiatheads soon enough.
 
2013-06-19 09:23:42 PM

subfactorial: divx88: oxygen displacement is a biatch

This was my first thought but TFA say the LN2 reacted with the Chlorine? Any chemistry whiz want to comment on this because I don't see it.


Yeah, that just shows why that journalist flunk out of science class.  LN2 is completely inert all the damage came from the displacement of oxygen in the air, plus it's kinda hard to see people when they're covered in fog in a swimming pool, so I'm guessing that didn't help.

/Darwin could have really cleaned up there
//Something, something bleach in the gene pool
 
2013-06-19 09:25:38 PM

Mike Chewbacca: ZAZ: H + N + Cl → HCN + l
Simple high school chemistry.

Who knew that hydrogen gas, nitrogen gas, and aqueous chlorine come together to form hydrogen cyanide and iodine solid? I sure didn't.


Of course he is joking, but H isn't Hydrogen gas, and N is not Nitrogen gas.
 
2013-06-19 09:48:10 PM

bluorangefyre: [moviesmedia.ign.com image 450x192]

/that'd best not be obscure!


If it is, Farkers best be ashamed.

/I AM INVINCIBLE~!
 
2013-06-19 09:53:24 PM

Testiclaw: COMALite J: divx88: oxygen displacement is a biatch

But it may be the single least painful way to die that doesn't involve leaving a really messy corpse (or being totally vaporized in an instant or some such).

I am all in favor of having death penalties being carried out by noble gas inhalation.  I think it's a profoundly humane solution, and elegant in its simplicity, in a morbid way.


Or carbon monoxide.
 
2013-06-19 10:08:35 PM

Hollie Maea: Mike Chewbacca: ZAZ: H + N + Cl → HCN + l
Simple high school chemistry.

Who knew that hydrogen gas, nitrogen gas, and aqueous chlorine come together to form hydrogen cyanide and iodine solid? I sure didn't.

Of course he is joking, but H isn't Hydrogen gas, and N is not Nitrogen gas.


Both H and N are gases at room temperature. Yes, I realize that liquid nitrogen is liquid, but it creates the "smoke" by turning gaseous (because the boiling point of N is crazy low). And that smoke is why it was at the pool in the first place. But you're right, it should say H2 and N2, but I'm not the one who wrote the formula.

Nice try, though.
 
2013-06-19 10:22:39 PM
You dewar, you brought her!
 
2013-06-19 10:36:09 PM

Felgraf: Not a chemist, but... I can't figure out what reaction it could possibly be.

I mean, I know Nitric Acid + Hydrochloric acid=Aqua Regia, butttt that's not what was going on here.


Actually, Aqua Regia = Aqua Fortis + Vial of Muriatic Acid, trivial 102.
Or you can do what I do and just buy it from the vendor.
 
2013-06-19 10:59:47 PM
img.fark.net
 
2013-06-19 11:31:21 PM
There are videos from Penuicon where they do this at an indoor pool, people go swimming, and no one gets hurt.
 
2013-06-20 12:10:00 AM

Mike Chewbacca: But you're right, it should say H2 and N2


Right....

Mike Chewbacca: Nice try, though.


Wait, what? You just conceded my goddamn point.
 
2013-06-20 02:07:43 AM

Hollie Maea: Mike Chewbacca: But you're right, it should say H2 and N2

Right....

Mike Chewbacca: Nice try, though.

Wait, what? You just conceded my goddamn point.


I was using his formula.
 
2013-06-20 03:52:15 AM
You might say the band leader was...

(puts on sunglasses)

...a superconductor.
 
2013-06-20 05:00:31 AM
Torqueknot:

Meh, they poured a few bottles of it in the pool, a pool people were swimming in. The problem was it reacted with the chlorine and and produced hazardous vapors.

/also read TFA next time.



And todays moron of the thread award goes to YOU.

Enjoy and die in a fire tard.
 
2013-06-20 06:42:49 AM

jigger: Um, the "smoke" is water vapor and tiny ice crystals. Not toxic.

The problem is that nitrogen will displace the oxygen and people will suffocate.


So we need a border moat, not a fence!
 
2013-06-20 09:10:23 AM
Our college chemistry stockroom had liquid nitrogen that they would sell.  I didn't have a container the day I talked to hem bout it, and never got around to going back to get some.  Aside from making liquid oxygen, I can't think of anything you can do with it that you can't do with dry ice available at our grocery store (Meijers).  Even then the list of experiments is pretty lame.

I'm guessing the bottles of nitrogen were larger than 2-liters?

/The photos and video didn't load for me.
 
2013-06-20 10:15:22 AM

TheGogmagog: Aside from making liquid oxygen, I can't think of anything you can do with it that you can't do with dry ice available at our grocery store (Meijers).


You can make ice cream.
 
2013-06-20 10:48:41 AM

Torqueknot: Meh, they poured a few bottles of it in the pool, a pool people were swimming in. The problem was it reacted with the chlorine and and produced hazardous vapors.


The chlorine had nothing to do with it and the vapors weren't toxic.  The problem was a lack of oxygen.

COMALite J: But it may be the single least painful way to die that doesn't involve leaving a really messy corpse (or being totally vaporized in an instant or some such).


Agreed.  If you're not trained to recognize it you won't even realize it's happening.  (The military trains it's pilots as the same problem applies if you're high enough up.  Knowing it's happening might give you a chance to save yourself.)

Unobtanium: Maybe simple asphyxia from oxygen displacement? I mean the pool water is basically a weak bleach (sodium hypochlorite), right? Even if they are using gas chlorine to chlorinate the water (not likely, but I've seen it done at some municipal pools). Is there some mechanism I'm missing here?


Yeah, the result of filtering science through a reporter.

Testiclaw: I am all in favor of having death penalties being carried out by noble gas inhalation. I think it's a profoundly humane solution, and elegant in its simplicity, in a morbid way.


Why waste money?  Nitrogen is just as lethal and a lot cheaper.  The reason helium is used for suicides is that there is a consumer market for bottled helium, there is no consumer market for bottled nitrogen.
 
2013-06-20 11:20:36 AM
Could the bubbling of the N2 have liberated the chlorine from the pool?  A little mustard gas to go with the O2 deprivation.
 
2013-06-20 11:58:46 AM
Didn't 'Real Genius" have something similar in it?
 
2013-06-20 12:51:18 PM
For some reason it wasn't the possible anoxia that was making me uncomfortable with that video. It was the fact that the whole pool was shrouded in fog, and it would be really hard to see any floaters. Or bottom-dwellers.
 
2013-06-20 02:56:24 PM

ReapTheChaos: We used liquid nitrogen when I was a machinist in the Air Force and had to take a day long safety course annually to do so. That shiat's hazardous on many levels and anyone who uses it as a party trick is a farking moron.


We used liquid nitrogen weekly through most of our chemistry training, and were told "don't trap it in an enclosed container, and wear gloves when handling it. Our consumption breakdown was roughly 30% experimental and 70% goofing off and "party tricks". "That sh*t" is one of the safest things in a stock room.
 
2013-06-20 03:15:50 PM
 
2013-06-20 04:38:18 PM

usernameguy: Here is a much better article.


From your link: Remember, it only takes 28 g of liquid nitrogen to displace 22.4 L of air at standard temperature and pressure.

Well, there we have it.
 
2013-06-21 01:58:49 AM
Mexicans have their own take on reality.

And I love them for that.
 
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