Why mentos and diet coke explode
So what is nucleation about and why do Mentos release all this pressure so spectacularly. The escaping bubbles quickly turn into a raging foam, and the pressure builds dramatically. That makes it not only sweet but also covered with lots and lots of nucleation sites. The solution becomes supersaturated with carbon dioxide when the bottle is opened, and the pressure is released. From left to right: action of five Mentos candies (per bottle) with Perrier, classic Coke, Sprite and Diet Coke. Normally, this process is relatively slow, because the activation energy for this process is high. The addition of other nucleation sites provides an alternate pathway for the reaction to occur with lower activation energy, much like a catalyst. Shockingly enough, dropping just about anything into just about any kind of soda creates at least a little fizz. When the pressure is released from a soda bottle, the bubbles tend to form on the sides of the bottle. Get Our Book on What Makes Videos Go Viral. That creates so much pressure that the soda goes flying. Under these conditions, carbon dioxide begins to precipitate from solution, forming gas bubbles. Carbonated sodas contain elevated levels of carbon dioxide under pressure. 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. We then built nozzles that make the opening smaller and that makes the geysers go even higher. Make sure you wear your goggles and lab coats, so that you are not only protected, you also look cool as you run away from the flying soda. The tubes of candies were threaded onto a pipe cleaner and dropped into the soft drink to create a geyser.
Since the Mentos are also heavy enough to sink, they react with the soda all the way to the bottom. In the 1980s, Wint-O-Green Life Savers were used to create soda geysers. Air Cannons, Magnet Motors, and 25 Other Amazing DIY Science Projects. Do not, repeat, do not be stupid and test the limits of your stomach. Even some pocket change made a bottle of root beer bubble up a bit. It is highest for bubbles that form in the liquid itself (homogeneous nucleation), and lower if the bubble forms on some other surface ( heterogeneous nucleation ). Those tiny bumps are called nucleation sites: places the gas can grab onto and start forming bubbles. The activation energy for a process like bubble nucleation depends on where the bubble forms. But because they are smooth and clean, the activation energy is still relatively high, and the process is slow. The eruption is caused by a physical reaction, rather than any chemical reaction. Well, a lot of the fizz goes away as you drink. Then when bubbles are released in your stomach, your stomach can expand a bit. At the end of the 1990s the manufacturer of Wintergreen Lifesavers increased the size of the mints and they no longer fit in the mouth of soda bottles. The surface of a Mentos is sprayed with over 40 microscopic layers of liquid sugar. What happens if you drink soda and then eat Mentos.
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Why mentos and diet coke explode
