The YouTube video discussed above is not exactly scientific, however. However, none of the ingredients in mentos are basic, and the experiment works to some degree with any type of soda and any type of candy. It doesn't matter if the liquid contains sugar or not. We dropped two Mentos into a bottle of normal Cola and Diet Cola. With this in mind, the chemicals in Mentos also serve as foaming agents by facilitating the rapid release of CO2 gas. Bases are bitter and feel slippery to the touch. The two biggest factors affecting the geyser are the roughness of the candy used and the rate at which it sinks to the bottom of the soda bottle. On the wax paper, carefully use the knife to crush and cut four Mentos candies into many small pieces, as shown in Figure 2 below. a popular reaction:. It is also found in many foods, including meat and fish. A video that has been around since 2006 and has been seen at least 20 million times purports to show the death of a girl nicknamed Pepsi Girl (not to be confused with the curly-haired little girl on old Pepsi commercials) meet her death after downing a 2-liter bottle of Pepsi cola when she explodes as if a bomb has been placed inside her. Nucleation is the process by which a state of matter becomes another state of matter on its own. The sudden swell of carbon dioxide inside your stomach will need an escape. Next topic: Old 3 part inflation story. So, any rough surface inside the bottle will cause the carbon dioxide molecules to cluster together in a process called nucleation, which forms bubbles. An experiment on Seltzer water, adding various types of solutes, produced the following results: Coca-Cola isnt a single chemical compound but rather a mixture of different chemicals. Even if it did, you'd just end up belching/vomiting it all out. While we cant really know what kind of damage this kid may have done to his stomach, the results were fairly predictable. Use the needle to thread the string through four Mentos, leaving a 10cm length of sting trailing off the Mentos Bundle. This lesson analyzes this classic experiment in more detail to understand the following learning objectives: To unlock this lesson you must be a Study.com Member. Pouring soda into a muddy hole in the ground does the same, so the Mentos are totally unnecessary. The nucleation reaction causes the rapid release of the carbon dioxide from the water, resulting in carbon dioxide gas which rapidly expands in the soda, pushing the liquid out of the bottle. Drop several Mentos into a bottle of coke or lemonade, and a huge eruption of bubbles shoots out several meters high. The rest of the process happens thanks to the physical properties of Mentos. You can see the results of this yourself by crushing a Mentos and dropping it into a bottle, then comparing the reaction to the whole candy with all its pores intact. "And if you have rough candy with a high ratio of surface area to volume, then there's more places for the bubbles to go.". But the process is constant and grows exponentially. While there are many stories of people dying from suddenly exploding due to the rush of carbon dioxide expanding in their stomach, none of these stories are factually true and no video footage has ever been recorded of such an accident. This in turns means that the carbon dioxide gas is more rapidly released. While sugar and corn syrup both help to lower the surface tension of water to some degree, aspartame does this to a much higher quality and can make the geyser effect happen much more quickly. Their explanation is this process called nucleation. 1. Do not try such experiments yourself though. Thankfully, theres already a well-known escape hatch located at your mouth. Diet Coke, a sugar-free cola beverage, and Mentos, a chewy round candy, are combined to generate a Diet Coke and Mentos eruption. Make sure you do it outside. Diet Coke makes a better spectacle than regular Coca-Cola because both aspartame and benzonatate (a preservative used in artificially sweetened drinks) lower surface tension more than sugar does. A two-litre bottle has about 15 grams of dissolved carbon dioxide, which, under the right conditions, becomes 8 litres of carbon dioxide gas in just a few seconds. Your membership is the foundation of our sustainability and resilience. But i think nucleation sites are the way to go, not an actual chemical reaction. Lower surface tension makes it easier for the bubbles to break out to the surface and attempt to escape. A study in the US has identified the prime factors that drive the fizzy plumes from Coke bottles: the roughness of the sweet and how fast it plummets to the bottle's base. There are many other factors that can affect the height of a soda fountain when Mentos react with Coca-Cola, such as the viscosity of the liquid and presence of other chemicals in the mixture. This spectacle is mainly caused by a physical reaction that rapidly releases the dissolved carbon dioxide from the beverage. I'm probably being pessimistic about it. New user? Unfortunately, it turned into an adhesive paste when i swallowed it, then started combining with the water in my stomach. Try a new bottle of Diet Coke and a new package of Mentos. Of course, this is for YouTube, so he continues drinking and swallowing candy. It's possible that the twitches and the tingling i got were psychosomatic, of course, but it seems to me that if i just use calcium carbonate and fizzy water the situation is a lot more controllable because i don't have to think about all the other stuff. The bubbles are carbon dioxide, and when the soda is pressurized, it can hold more carbon dioxide. Once again there hadn't been such a child, but that did little to slow the rumor's spread. if the chalk method works well, tell me please :). The eruption should happen instantaneously, so make sure to get out of the way to avoid being covered in sticky soda. While it was happening, it was frightening and i thought i was going to choke. but i have seen videos of it on youtube? Protected by fear, few kids actually end up attempting the stunt, even to prove their guts to their peers. I'm addicted to Crystal Pepsi: https://youtu.be/qEjy3dS6COs \"HAVE A CRYSTAL PEPSI DAY!\" - L.A. Thus, the rates of nucleation are further increased. Mentos mints are covered with many very tiny pores or nucleation sites. Common bases are found glass cleaners (ammonia), antacid tablets (carbonate), baking soda (also carbonate), and toothpaste (fluoride). It was funny afterwards. A yard or large patio (without furniture nearby) with a sturdy, flat surface will work great. If you'd like to try more than one Mentos, roll them into a small paper tube to drop in. As it does not have sugar so it will be easy to clean up the mess after experiment. * Just drinking fizzy water was fairly OK but made me cold to the extent of uncontrollable shivering. Though the manuscript is behind a paywall, a presentation that Dr. Coffey made about the experience is available on the schools website. I could feel my belly expanding to the point of discomfort. The chemical reactions involved in dropping mentos candies into a bottle of diet coke make quite the spectacle! This is the same thing that happens to any other container with volatile ingredients. A Big ass explosion happenspretty damn cool. Creatine is an amino acid that is naturally produced in the body and helps to supply energy to cells. John Gilchrist, the actor who portrayed Mikey as a child, is alive and well today. The blog, its authors, and affiliates cannot be held responsible for any accident, injury or damage caused in part or directly from using the information provided. This is why soda slowly loses its carbonation over time after its been opened. Mentos ingredients also help this reaction to some extent. You can't swallow them whole and the saliva is going to soften and dissolve the irregularities. Acids also . First, choose an area that is okay to get messy. Now that this YouTuber has done us all a favor and performed this experiment, you do not have to. Then I immediately chugged another half liter or so of coke. For instance, in photosynthesis, water and carbon dioxide are transformed into sugar. If you want you can also use diet coke instead of regular. It turns out that Mentos have a very porous surface, with thousands of tiny indentations, perfect for nucleation. This site SodaPopCraft.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking toAmazon.com. [1], Tonya Coffey, a professor at Appalachian State University, used the experiment to give her undergraduate physics class a real-world research experience as one of their laboratory assignments. When combining Diet Coke and Mentos, one would get a physical reaction. What type of physical reaction is Coke and Mentos? We can see how much better Diet Coke and Coke Zero react with Mentos just by looking at the experiment we showed earlier: both of these sugar-free sodas produced fountains that exceeded 2.5 metres, while the fountain produced by regular Coke barely reached 1.5 metres. Additionally, SodaPopCraft.com participates in other affiliate programs, Clickbank, CJ, ShareAsale and other sites and we sometimes get a commission through purchases made through our links. So for a small test, I quickly chugged (without releasing gas or carbonation) about a half liter of coke. Next, get ready to drop your Mentos into the Diet Coke. I then quickly swallowed whole 3 mint mentos, using a small ammount of water to chase them down quickly. The Hypothesis The scientific method is an important way scientists make observations and come to conclusions. How To Get Rid of White Spots on Stainless Steel Pans. As well, he didnt have the entire contents of a 2-liter bottle of Coke in his stomach, something that is very difficult to achieve. Most Coca-Cola is kept carbonated by a sealed bottle, which creates a pressurized environment where the carbonated gas cant escape until the cap has been broken off or opened. Measurements of the pH of the Coke before and after the experiments showed that its acidity did not change, ruling out the idea that a simple acid-base reaction drives the fountains. Apparently, we were dead wrong, as the paper points out: The pH of the diet Coke prior to the reaction was 3.0, and the pH of the diet Coke after the mint Mentos reaction was also 3.0. A study in the US has identified the prime factors that drive the fizzy plumes from Coke bottles: the roughness of the sweet and how fast it plummets to the bottle's base. an experiment conducted by elizabeth snider for ede4304 october 9, 2006. diet coke and ", As it sinks, the Mentos produces more bubbles, which react with carbon dioxide in the soda, rewarding you with a Diet Coke geyser. Occasional vomiting from sickness or a stomach bug is normal, but forcing yourself to throw up soda and candy at every party is a one-way ticket to extra complications. When soda is made, manufacturers oversaturate a liquid drink with gaseous carbon dioxide. 3. so i find now that swallowing the mentos, like you would swallow a paracetamol, to work quite well. -do I chew the mentos? Swallow and drink water, enjoy. Just it's structure. According to the Diet Coke and Mentos Eruption article, pop is supersaturated with gas. Buy chewing up the candy you have destroyed all the little pores that result in the large surface area responsible for the nucleation reaction. The last step is to stand back quickly and enjoy the spectacular reaction. Collect the following materials: Place the pennies on a flat surface. Its like a teacher waved a magic wand and did the work for me. Here's an experiment to try at home regarding surface tension. Theories abound as to why this happens, with some bloggers speculating that it is an acid-base reaction because Coke is acidic. Surface tension allows a cup to be filled with water past its brim. This alert about an unnamed child in Brazil's sorry fate began circulating on the Internet in November 2006. [1] Other factors that affect the growth rate or total number of carbon dioxide bubbles also changed the geyser's height, such as temperature and the original surface tension of the soda. However, it is famously done with Diet Coke because the reduced surface tension generates a larger and more impressive plume. What Is The Chemical Structure Of Coca-Cola? Since the escaping gas either comes out in the form of a long burp or in foam thats expelled through vomiting, the issue basically stops once the soda has evacuated your stomach in one way or another. A few questions i would like answering: -how much of each should i consume? Safety Tip!! Claim: A mixture of Mentos and Coca-Cola killed two Brazilian children. Coke and Mentos Reaction Lab Ingredients in the Mentos and Diet Coke and, more importantly, the structure of the Mentos, allow carbon dioxide bubbles to form extremely rapidly. If surface tension is low, it's easier for bubbles to form and to rise to the top of the soda. It's not dangerous as it's used in toothpaste. Can find them at "vitamin" stores. Maybe your stomach would explode! When i inflate using pumps, Plavini and the like, i manage up to thirty litres equivalent at atmospheric pressure. However, the American Chemical Society provides step-by-step instructions on how to safely make a Mentos soda fountain, so this is one experiment you can try at home. Many people speculated that the geyser was the result of an acid base reaction, given the low pH of soda. Not all such videos found on the Web are on the up-and-up, however, including the famed "Pepsi Girl" clip, which purports to document a demise caused by the ingestion of a mixture of Mentos and Coca-Cola.
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