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Forums
4hv.org :: Forums :: Chemistry
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Cool chemistry experiment . . .

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HV Enthusiast
Thu Jun 08 2006, 03:27PM Print
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
http://www.math.utah.edu/~c-pnkk/mentos.html

This is probably old news, but i'll post anyways.
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Dr. Shark
Fri Jun 09 2006, 09:11AM
Dr. Shark Registered Member #75 Joined: Thu Feb 09 2006, 09:30AM
Location: Montana, USA
Posts: 711
I didn't know it, pretty cool - what is the explanation how it works? It does not come up when I klick on it.
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...
Fri Jun 09 2006, 02:33PM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
If I remember correctly there is a compount (something gum) that lowers teh surface tension of the water, lowering the amount of CO2 it can hold, so it all suddenly bubbles out, causing quite a display shades
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Bjørn
Fri Jun 09 2006, 03:23PM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
Why would the gum arabic be on the outside when it is supposed to be chewy inside? I would not bet on that explanation until someone actually tried it out instead of guessing.
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ShawnLG
Fri Jun 09 2006, 09:10PM
ShawnLG Registered Member #286 Joined: Mon Mar 06 2006, 04:52AM
Location:
Posts: 399
What would happen if you consume both of those products at the same time? Would you explode?
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Bjørn
Fri Jun 09 2006, 09:50PM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
No, it comes out the same way it got in. Except for the very last part of the journey where it has a tendency to come out through the nose.
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Eric
Fri Jun 09 2006, 10:03PM
Eric Registered Member #69 Joined: Thu Feb 09 2006, 07:42AM
Location:
Posts: 116
There have actually been rare cases of stomach rupture due to ingesting gas producing substances (sodium bicarbonate for ex). I wouldn't try it.
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Fri Jun 09 2006, 10:33PM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
this should clear up any confusion...
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Marko
Fri Jun 09 2006, 10:35PM
Marko Registered Member #89 Joined: Thu Feb 09 2006, 02:40PM
Location: Zadar, Croatia
Posts: 3145
You have any evidence, links?

Except maybe producing some mega-burps I don't think anything more would happen.

Most CO2 ill evaporate anyway before such a quantity of coke gets into your stomach (otherwise yu would blow up anyway yust for drinking aerated drinks :P )

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Fri Jun 09 2006, 11:37PM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
Was that comment directed at me or Eric?

The coke does 'boil' pretty rapidly, check out those videos... If you drank a single can of soda (500ml) that would be 1/4 the gas produced of the 2L, not something I wound want in my stomach... The video of a 2L bottle can be found in the link in the first post.
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