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Inspired by this question on SFF.SE.

The Diet Coke + Mentos experiment has been a popular one for a while now, and I've read a little bit about the science behind it.

I recently discovered this video, where an Italian man adds Nutella to the mix1, to his great excitement.

However, I'm not clear on why he did this; I couldn't see a significant difference in the reaction (although my view was somewhat obscured by the condom). What does the Nutella add to this reaction?


1 Do not watch this video in a public place without headphones on (or the sound turned way down); he gets very, very excited when his abomination experiment (literally) blows up in his face

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    $\begingroup$ Nutella would be very greasy and not dissolve readily in aqueous solution. I'd speculate that it just makes a bigger mess. // He only added a couple of tablespoons which would have been initially stuck in the neck of the bottle. $\endgroup$ – MaxW Dec 18 '15 at 20:23
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    $\begingroup$ From watching the video I lost 2 minutes of my life. I also think that he just made a non-sense video with Nutella to pormote Nutella or get views for his video from Nutella lovers. I can find no rationale behind the addition of Nutella. $\endgroup$ – A.K. Dec 19 '15 at 0:06
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Nutella was used just to protect cola from incidental reaction with Mentos. And it makes more effective insertion - all mentos tabs are inside at the same time.

The reaction is completely the same with simple Mentos. (this video also is quite noisy)

This is not chemical reaction, is carbon dioxide evaporation.

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  • $\begingroup$ Fair enough; thanks for taking the time to look into this strange, strange question $\endgroup$ – Jason Baker Mar 21 '16 at 19:26

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