Drop some Mentos sweets into a bottle of Diet Coke and a geyser-like fountain will whoosh into the air – at last, there's a scientific explanation. Drop Mentos into a bottle of soda and run away from the 20 foot geyser. It's been called Why do Mentos turn ordinary bottles of diet soda into geysers of fun?. Combine Diet Coke and Mentos, and the result is explosive— Diet Coke [but] did not sufﬁciently explain why those ingredients affect the.
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The secret is to turn your attention away from the spraying soda and concentrate on setting up an experiment where you isolate a single variable and observe the results. These tiny pits act as nucleation sites—perfect places for CO 2 bubbles to form. Although the candy may look smooth, if you looked at it under a microscope you'd see tiny bumps coating its entire surface. The reaction is so intense, you can make a rocket propelled by the resulting geyser. Gasses, in general, are more soluble in liquids at elevated pressures. Why Do Diet Coke and Mentos React?
Diet coke and mentos explanation Video
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As I had not chewed it before swallowing, it found its way to the still somewhat carbonated liquid although much less so having drunk it and produced enough foam to overfill my already somewhat full stomach from dinner. Kuntzleman, and Dean J. Never use a stove or microwave to heat a bottle of soda. In other words, there are so many microscopic nooks and crannies on the surface of a Mentos that an incredible number of bubbles will form around the Mentos when you drop it into a bottle of soda. Journal of Chemical Education. Retrieved 22 June Does temperature affect the eruption height? Keep Your Candy Cool with Physics October 27, — Science Buddies and Cyberchase. How Do I Make Myself Stick to a Budget? That means that all of the pieces of the reaction are there, but that they are simply rearranged. While the soda is in the bottle, the gas is kept in solution by the bottle's pressurized conditions. While caffeine is often cited as something that will increase the explosive reaction with the soda, this is not actually the case, at least not given the relatively small amount of caffeine found in the typical 2-liter bottle of soda generally used for these sorts of Diet Coke and Mentos reactions.