What did your kids think about it? Doing so is extremely hazardous and could cause serious injury or death. Pinning this! You might think that there is some ingredient in a Mentos candy that causes a chemical reaction with the soda pop, like the way baking soda reacts with vinegar. Bubbles will form on the straw and very quickly and completely cover the pipe cleaner. Considering that a 2-liter bottle of diet Coke weighs over 4-pounds, twice the maximum possible thrust, I have to conclude that this idea isn’t going to work. This is a predominantly physical effect caused by the structure of the shell rather than one dominated by a chemical effects. Wikimedia Commons has media related to Diet Coke and Mentos eruption.
Retrieved 22 June This suggests a nucleation site count closer to , per mentos. The nucleation reaction can start with any heterogeneous surface, such as rock salt, but Mentos have been found to work better than most. You can find more experiments like this one at kitchenpantryscientist. Dropping them in from the top ends up causing two of them to wedge in sideways and they won’t drop cleanly into the bottle. American Journal of Physics. Why do you think all of this is important? The bubbles are made of a gas called carbon dioxide. I know, Vicky. Already a subscriber? Bubbles will form on the straw and very quickly and completely cover the pipe cleaner.
Views Read Edit View history. While experts argue about who first discovered that dropping Mentos mints into diet coke creates an explosive eruption of foam, many references claim that the effect was initially popularized by Lee Marek on the David Letterman show. This time scale is much too short for the insides of the Mentos to react with the soda. Make a Mentos-and-Soda Fountain! Does breaking the mentos up increase geyser height? The carnauba wax that coats the candies seems to be key in producing the effect because old candies or ones that have been opened for a while won’t produce a tall geyser. Read Now.
But making soda explode is fun. The highest part of the column is hard to see because the eruption was so violent that the stream was blown into a fine spray. It doesn’t matter what flavor of Mentos candy you use, but Mentos candies do seem to work better than similarly-shaped candies e.