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The Mentos And Diet Coke Reaction

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Read Latest Entries..: (Post #57) by iGuest on May 7 2009, 01:01 PM.
Mentos have a lot of tiny holes on them (think of the moon's surface), and diet coke is carbonated. When you drop the mentos in, the carbon dioxide in the soda comes out into the tiny holes on the mentos, and it happens very fast. The bubbles float to the top very fast. The aspritame and caffiene increase the effects, thus having the bubbles rocket out so fast that the some of the soda is dragged along, thus creating the large fountain of soda.  ...
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The Mentos And Diet Coke Reaction

Darkwolf11235
I heard that if you placed mentos into a bottle of diet coke it would create a fountain effect. When I tried this I got covered in coke because of the speed of the reaction. Luckily no sugar means it does attract as many bugs. After this I wondered for a while what exactly is the chemical reaction that takes place between a mentos mint and diet coke. If anyone knows please post. It would be interesting if this only worked with diet coke.

One more thing, I have also heard that a group of people created a video with several hundred of these "fountains" going off in a specific order to create a very unique affect. If anyone knows were this can be found please post that as well.

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austiniskoge
That's really cool. I've never heard of that...

Of course, Googling it would probably just turn up 1,987,372,387,983 "Pop Rocks and Coke" hits.

But I'll try to find something.

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austiniskoge
Ok, I just found a blog and one of the entries was about this.
This was one of the comments.

QUOTE
JayCee January 19, 2006 12:44 PM

Here is a write up from a guy named Steve Spangler on the subject:

As you probably know, soda pop is basically sugar (or diet sweetener), flavoring, water and preservatives. The thing that makes soda bubbly is invisible carbon dioxide gas, which is pumped into bottles at the bottling factory using tons of pressure. Water molecules, which are super attracted to each other, cling together and surround the tiny bubbles of gas in the liquid. The bond they form is called surface tension. Surface tension is measured by the amount of energy it takes to break the clinging water molecules apart. It takes a lot of energy! Until you open the bottle and pour a glass of soda, the gas mostly stays suspended in the liquid and cannot expand to form more bubbles, which gases naturally do.

If you shake the bottle and then open it, the gas is released from the protective hold of the water molecules and escapes with a whoosh, taking some of the soda along with it. When you add Mentos to the mix, get ready for an incredible explosive reaction--so explosive that the entire bottle is sometimes emptied of liquid. Why?

Mentos contain sugar, glucose syrup (more sugar), hydrogenated coconut oil, starch, gum arabic, an emulsifier and natural flavor. The gum arabic which makes Mentos chewy, cause the surface tension of the water molecules to break even more easily, releasing more carbon dioxide gas. This effect is enhanced by the fact that, as the candy dissolves, it forms nucleation sites -- tiny pits on the surface of the mint where more carbon dioxide bubbles can form. When all this gas is released, it thrusts the entire contents of the bottle skyward, in an incredible soda blast. Hopefully you've decided to use diet soda or you may be running for the shower!


And I found an amazing video here.

Yeah, this is definitely fun stuff. I'm not sure if I understand the science behind it though. That quote seems like it's not quite accurate...

 

 

 


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mustra
that video is 5stars !!

but know this makes me thinking (before i go buy mentos nd coke, lol), this myght be a great advertising heist from coke and mentos, because everyone will run and buy mentos...and coke..lol

now really, that thing about pop rocks and coke, its an urban mith or its true ?

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Jeigh
Haha yea I have seen a bunch of videos of people doing this, its pretty cool. I'd try it out if I wasn't so lazy... but who knows maybe someday haha. Seems pretty awesome... I wish there was a video of the person who discovered this and their reaction to being covered in cola hahaha.

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cyborgxxi
Nice movie!

My Geometry teacher did this for us one day. It was really fun and I liked watching it. He said that there is some sort of sugar on the coating of mentos that reacts with the coke but I think we did it with a normal coke not diet. But after watching all that it made me wonder...what if you took that and put it in an enclosed container.

Put in Mentos
...
...
KABOOM!!!!

I think I'll have to try this later

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Jeigh
cyborg I've been thinking that too haha, it'd be insanely hard to actually drop it in and seal it though since the reaction seems to happen FAST, so you'd need to do soemthing time delayed... say wrap the mentos in enough paper towel that you could get the container sealed before the soaked soaked through enough (I'm sure there would be easier and/or better methods this is just the first that came to mind to demonstrate my idea)

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yeh
Yeah... pretty cool right? I have just read about it couple of weeks back when I was reading about the incident of someone dying from helium inhalation.

Anyway, I have a crazy idea. Kids, please just read this ONLY and please... don't try to attempt it. I don't know what will happen...
How about putting a mentos into your mouth, then take a big gulp of coke? Hehe..... smile.gif

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Jeigh
I can't imagine it would do any damage assuming you didn't try to close your mouth mid reaction... now swallowing a large quantity of coke then swallowing a mentos whole... who knows

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Latest Entries

iGuest
Mentos have a lot of tiny holes on them (think of the moon's surface), and diet coke is carbonated. When you drop the mentos in, the carbon dioxide in the soda comes out into the tiny holes on the mentos, and it happens very fast. The bubbles float to the top very fast. The aspritame and caffiene increase the effects, thus having the bubbles rocket out so fast that the some of the soda is dragged along, thus creating the large fountain of soda.

 


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iGuest

the website is Eepybird.Com


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iGuest
there is no reaction between diet coke and mentos
The Mentos And Diet Coke Reaction

how to create the most powerful diet coke mentos reaction?

when you open a bottle of coke, C02 bubbles are formed due to loss in pressure. However due to water's natural viscosity and tensional force this process is slowed down dramatically. When you dissolve mentos in coke(or whatever I didnt observe when I did it) the gum arabic(a type of sticky substance used to add mass to mentos and other candies) reduces this surface tension causing rapid release of gas, causing foam which shoots out as the 'explosion'. 

-reply by gryphon212

 


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Heave Projects
I wonder... can you replace Mentos with something else? And could you use Pepsi? Maybe I'll try it one day smile.gif

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iGuest
Theres A Video Of Mythbusters And Others Doing This Experiment On Youtube!

Doing Them In All Different Directions

Its Very Cool

It Goes 4 About %mins Of All These Coke Bottles Creating A Fountain

You Would Never Of Thought It Was Coke!



-reply by Madiie Rourke

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