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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 14
    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 06:11:08 PM
3 votes:
oxygen displacement is a biatch
2013-06-19 08:10:32 PM
2 votes:

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 10:59:47 PM
1 votes:
img.fark.net
2013-06-19 08:48:45 PM
1 votes:
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 08:48:24 PM
1 votes:

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 07:14:21 PM
1 votes:

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.

Wasn't the original proposal to pump a gas into the prisoners cell on a random date, effectively they'd go to bed and never wake up and not even realize what was happening?


Cyno01: Dry ice woulda done the same thing and been 100x cheaper. Still probably wouldve asphyxiated partygoers though.

What you want is a bigass fog machine then you run that through a box filled with dry ice, then you have nice safe propylene glycol smoke thats cold so it stays near the ground.


CO2 would have been better, people may have realized something was wrong. The need to breath is dictated by CO2 levels not the lack of oxygen, so the high CO2 level  may have triggered some reaction.
2013-06-19 06:33:45 PM
1 votes:

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.


I guess there's more to it, but I'm imagining the course as something like this:

[Slide 1]
This stuff's cold. Really cold.

[Slide 2]
You can't breathe it.

[lunch break]

[Slide 3]
Review of slides 1 and 2

[Slide 4]
Advanced Topics
 - Ensure rooms are well-ventilated to avoid asphyxiation
 - Watch out for liquid oxygen condensing on really cold surfaces
 - Don't carry it in glass dewars which may shatter
 - Don't put it in your mouth
2013-06-19 06:33:01 PM
1 votes:
Dry ice woulda done the same thing and been 100x cheaper. Still probably wouldve asphyxiated partygoers though.

What you want is a bigass fog machine then you run that through a box filled with dry ice, then you have nice safe propylene glycol smoke thats cold so it stays near the ground.
2013-06-19 06:22:19 PM
1 votes:

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.


TFA is stupid and they don't know what they're talking about.
2013-06-19 06:20:10 PM
1 votes:
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.
2013-06-19 06:19:14 PM
1 votes:

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.
2013-06-19 06:18:20 PM
1 votes:
FTA:  The incident was reportedly caused after the chemical became harmful due to its toxic properties when mixed with the chlorine in the swimming pool.

Um, I'm not a chemist, but I do have some experience with industrial chemicals. I'm not sure there would have been a reaction.

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?
2013-06-19 06:03:53 PM
1 votes:
How retarded to you have to be to figure filling a swimming pool with liquid N and letting people party around it as a good idea?

Besides which filling a swimming pool with liquid N is cheaper than hiring in some industrial smoke machines... REALLY?
2013-06-19 05:57:46 PM
1 votes:
moviesmedia.ign.com

/that'd best not be obscure!
 
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