Mentos + Soda = Explosion

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image Given the urban legend about kids eating pop rocks and soda, and then having their stomachs explode, I wouldn't have believed that mixing Mentos and soda could cause such a violent reaction. But after watching the video posted on WLTX's website, I do. (You need Windows Media Player to view it, and I had to click the "Trouble Viewing" button to make it work.) To summarize what the video shows, three Mentos are dropped into a bottle of soda, causing a geyser of soda to shoot up about three or four feet high out of the bottle. This really makes me wonder what would happen if you drank a can of soda and then downed a pack of Mentos. Personally I'm not planning to find out. I'm sure it wouldn't kill you, but I imagine it would fizz up into your throat and nose. WLTX provides this scientific explanation for the phenomenon:

Mentos contains a chemical known as ARABIC GUM (this is the ingredient that makes the mint "chewy"). This ingredient causes the surface tension of the water molecules to break even more easily, releasing more carbon dioxide gas at an astounding rate! .....The gas causes pressure to rapidly build inside the bottle which thrusts the soda upwards in a wonderful fountain-like BLAST!


Posted on Fri Sep 23, 2005


eye ated the mentoes and da diet cokez and feelz fine. i swallowed it all downz and nothing happenz lolz wait i feelz funny.
Posted by mentoes  in  in yer house  on  Tue Sep 09, 2008  at  03:32 PM
I did it and not im in the hospital. do the math people
Posted by lillyarntson  in  Shitland  on  Tue Sep 09, 2008  at  07:41 PM
Im testing this experiment on several different pops for a school science project.
Posted by Antonio  in  Ohio  on  Thu Oct 23, 2008  at  07:26 AM
LOL PLEASE let meh know if any1 trys putting in diet coke + mentos in mouth i wanna know da' facts.
Posted by Alex  in  Lake Zurich  on  Sun Oct 26, 2008  at  12:58 PM
i am doing a experiment on different kinds of soda and mentoes put together. Do you have any kind of refferences for it. it is for school.
Posted by charles dick  in  bentonville  on  Mon Nov 10, 2008  at  04:57 PM
wat up wat up ok listen to this i am doing a project on this and need to know every little step it takes to win the science fair so yea.
Posted by Autumn Pocan  in  Oneida  on  Wed Nov 19, 2008  at  12:01 PM
I love the mentos and coke experiment. I did it with my 4 year old son this weekend. He learned about chemical reactions and what a volcano looks like when it erupts. Cool stuff! We found another fun site with neat science experiments like this. I will put the link below for anyone interested.
Posted by John  in  USA  on  Sat Nov 29, 2008  at  12:25 AM
haha, im doing this experiment
witth my buddy ben in my class
for our annual school science fair.
i caqnt wait to try it out.
its goign to be some messy experimenting smile
Posted by MaireadF  on  Mon Dec 01, 2008  at  05:36 PM
this is cool i get to do this experiment at my school for a science fair so excited 4 it it looks like fun!

Posted by Rachel M J  in  Alton in IL  on  Sat Dec 13, 2008  at  11:39 AM
Posted by bob  in  COLUMBUS, OHIO  on  Tue Jan 06, 2009  at  06:16 AM
maybe it will work maybe it won't......
Posted by frankie miller  in  lake Elsinore ca,  on  Mon Feb 23, 2009  at  07:06 PM
bonjour les ami camment ca vas!
Posted by sarah  in  cornwall, ontario  on  Thu Mar 05, 2009  at  08:46 AM
holy crap i will never ever do that again well if you really must now i pewk on a kid lol... sick
Posted by joe  in  cornwall, ontario  on  Thu Mar 05, 2009  at  08:49 AM
This experiment is what I'm doing for my science report :]
Pretty Awesome :D
Posted by Shanniah  in  Tokyo  on  Thu Mar 12, 2009  at  01:55 PM
i did this with a little can of soda and my friend tried to drink it, ill just say, dont do it
Posted by XXX  in  my balcony  on  Thu Apr 02, 2009  at  04:49 PM
i hate my skool is typing a real class someone tell me, my stupid teachers say you could fail 7th grade from it and that it is a real class, i hate it, and dress code.
Posted by XXX  in  my balcony  on  Thu Apr 02, 2009  at  04:57 PM
I am doing this research for my science class. My teacher is really nit picky about everything and in my question i asked if mentos explode in every kind of soda, and she got mad at me because mentos dont explode, they cause a chemical reaction.
Posted by Maggie  on  Wed May 27, 2009  at  03:52 PM
What is a nucleation site and what are the best soda's to use also why and what are the ingredients in it.
Posted by paul jacob joey  in  school  on  Wed Sep 16, 2009  at  08:21 AM
Posted by nowone  on  Mon Sep 28, 2009  at  11:29 AM
ok well we did it ast our school and rock salt makes it react a hole lot cause the fruit menots only went 25cm(pathetic) and the rock salt made it go 1.09m in the air it was awseome
Posted by Dana  on  Wed Oct 28, 2009  at  05:14 AM
what is in the mentos that CAUSES the soda to explode? i can't seem to find the answer to this anywhere!
Posted by Presa  in  a place  on  Mon Dec 07, 2009  at  04:15 PM
I noticed alot of comments about throwing up metos and soda. i might try it...but in small amounts to keep it safe. ill post back about it as soom i get it done.
Posted by William  in  Georgetown, Ohio  on  Wed Dec 09, 2009  at  11:49 AM
My friend Jimmy tried this... and he died. RIP Jimmy Jones the third. I love you. Even though you smelled like dead squid all the time. And though we had rough times, like when you told me you were really a girl... i will never forgete you. You will always be in my Martian heart. Toodles muthaaa
Posted by Billy Joe  in  Mars  on  Tue Jan 26, 2010  at  12:04 PM
how do mentos exploed
Posted by Delaney  in  Smithers.b.c  on  Wed Feb 03, 2010  at  01:51 PM
i have done this and cold weather does not work so cold soda probally not
Posted by sarah  in  florida  on  Thu Feb 04, 2010  at  09:02 PM
what exectly makes the diet soda explode????? idk im doing a science fair project i need a reply FAST!!!!! please
Posted by luc DuClos  in  Anchorage,AK  on  Mon Mar 29, 2010  at  09:20 PM
This is dope azz project no lie nikka look up Team Maniacz on a Windy Day! look that up on youtube we r a jerkin krew!!!=] snake
Posted by natha  in  1312 west michigan ave. 85023  on  Tue May 04, 2010  at  11:18 AM
cool mad olo i am doin this 4 a project too, hmm im bored in third period..... yawnn who wants cherries,... i do..... and cheesee...........
Posted by vaginal squirt  in  urmomsbed  on  Tue Sep 07, 2010  at  08:02 AM
gulp boom!!!!!!!!!!!!!!!!
Posted by bob  in  imaginary world  on  Tue Sep 07, 2010  at  08:04 AM
thanks 4 the info.!!!!
Posted by none of ur bussness  on  Wed Sep 08, 2010  at  06:28 PM
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