What causes the chemical reaction?? Water molecules strongly attract each other, linking together to form a tight mesh around each bubble of carbon dioxide gas in the soda. When you add Mentos to the group of chemicals that you find in diet soda, the chemicals seek out the holes and try to go into the holes causing a bigger carbon dioxide buildup. i. The reason Coke and Mentos explode in a frothy fountain of bubbles is due to the process called nucleation. One roll of Mentos candies. This science experiment using Mentos candy and diet coke is a classic. Cell Phone FAIL. Mentos are fairly dense objects and so tend to sink rapidly in the liquid. Once you drop the Mentos into the coke, stand back, it’s VERY explosive. It's actually not a chemical reaction, but a physical reaction. It is so popular that it … If you crush the Mentos, so it doesn’t sink much at all, you won’t get nearly the dramatic reaction. Why the Fizz? All the carbon dioxide in the soda – all that fizz – is squeezed into the liquid and looking for a way out. 01:18. It just won’t be nearly as awesome.) The surface of mentos acts as a nucleation site for the dissolved carbon dioxide in soda, allowing the gas to come out of solution quite rapidly. by Benjamin Loke 1. Q: Heard about the pop rocks/ pop theory and the mentos and diet coke and was wondering since mentos + diet coke in bottle = explosion if the same would happen in your stomach. This is due to a combination of a rough surface area, the density of Mentos candies and their coating. The temperature was 52 F. In this experiment, mentos caused a eruption in a 2-liter bottle of Diet Mountain Dew erupted, thus we concluded that diet Mountain Dew did have Phosphoric Acid because it caused eruption with mentos being dropped in. Combine Diet Coke and Mentos, and the result is explosive—Diet Coke shoots out of the bottle like a miniature, sticky Old Faithful. 01:17. Science Experiment Mentos Fun. The sugar contained in the mentos dissolves into the water contained in the coke, causing quick launch of carbon dioxide that replaced into dissolved formerly the sugar were given … A two-liter bottle of diet soda (diet soda makes for a much better reaction, but you can use regular soda if you like. Favourite answer. brownfreckles1977. That’s rubbish.You’ll get fresh breath and a quenched thirst is all. By the time it's finished, the soda will be … Unfortunately, the method for dropping the Mentos was never consistent. This rapid release of gas is what causes the coke geyser. The surface of the Mentos is uneven and has tiny microscopic holes called nucleation sites. Do you know when you put Mentos in your mouth, this rough surface quickly dissolve. You need to start one step at a time. Why does coke explode when mentos is added? An index card (picture below) The Mentos And Coke Volcano Experiment The soda will shoot up like a geyser and fizz out. I used the cheapest brands available in our local supermarket. The eruption you get when you mix Mentos and Coke is generated by the rough coating of the candy, which causes lots of bubbles to form rapidly on its surface when it’s placed in a carbonated beverage. Please read the web site and think of what question you would like to answer involving Coke and Mentos. The Geyser Tube removes the inconsistency because it makes the drop the same every time, letting you focus on the tr… 2. The addition of the Mentos leads to the quick nucleation of carbon dioxide gas bubbles precipitating out of solution. Is the chemical reaction harmful?? Grant Imahara explains to Kari Byron why the MythBusters won't take on the viral video in which a series of cell phones cause popcorn to pop. Question:How does the number of Mentos affect the amount/rate of CO 2 being released from soda? When you drop a Mentos into the soda, tiny bumps on the candy surface give the carbon dioxide molecules a nucleation site or place to stick. Relevance. If you eat mentos and drink diet coke at the same time will your stomach explode? As the Mentos candy sinks in the bottle, the candy causes the production of more and more carbon dioxide bubbles, and the rising bubbles react with carbon dioxide that is still dissolved in the soda to cause more carbon dioxide to be freed and create even more bubbles, resulting in the eruption. • Also, none of the ingredients in Mentos are basic: sugar, glucose syrup, hydrogenated coconut oil, gelatin, dextrin, natural flavor, corn starch, gum arabic. When tempers flare during a particularly complicated myth, Jamie offers up a simple solution. Coke and Mentos Experiment. Diet Coke is best for this activity because the caffeine, sodium benzoate and aspartame each contribute to the Mentos reaction. The Mentos drops to the bottom of the bottle, forming lots and lots of bubbles on its pitted surface along the way. All those Mentos in a lot of soda make a lot of bubbles that rise to the surface and push the soda out in a big woosh! 1 decade ago. It is fun and can be used as an experiment or science fair project. The Diet Coke and Mentos geyser is the result of a physical process rather than a chemical reaction. It needs to be wide enough to use as loader for the Mentos. As to why diet sodas like Diet Coke produce such a bigger reaction, it’s because aspartame lowers the surface tension of the liquid much more than sugar or corn syrup will. As the Mentos candy sinks in the bottle, the candy causes the production of more and more carbon dioxide bubbles, and the rising bubbles react with carbon dioxide that is … The Fairness Factor Before the invention of the Geyser Tube, everyone had a different method for dropping Mentos into the bottle of soda. The experiment involves dropping a piece of Mentos candy into a liter of diet Coke. Coke/Mentos reaction using a pH meter with a 2 point calibration. The trick is to drop the mento in as fast as you can. June 13, 2008, 9:05 PM • 4 min read. ? Their explanation is this process called nucleation. Once you do your own research, we can start to explain why that is. Mentos makes soda fizz due to the Mentos breaking the bonds in water molecules and encouraging the growth of more carbon dioxide gas, which is used to carbonate sodas. It was the same, 3.0. When all of this gas is released it forces the liquid up and out of the bottle in a giant whooshing geyser of sticky soda. However, none of the ingredients in mentos are elemental, and the experiment works to some degree with any type of soda and any type of candy. The mentos react with the sodium in the carbon in the soda and cause it to explode. 12 Answers. There's a lot of carbon dioxide dissolves in the soda, which gives it its fizz. Yet another factor that can affect the size of the Mentos / Coke geyser is the temperature of the soda itself. • But you can make a fun acid/base reaction, by adding baking soda to Diet Coke. why does diet coke and mentos explode? Theindependent variablein this experiment is the number of Mentos put into a soda can.. A Mentos mint causes a bottle of Diet Coke to fizz over because the irregular surface of the mint provides numerous nucleation sites for the carbonation in the Diet Coke. Answer Save. As Louise said, this is hard to do well with Diet Coke and Mentos. Bubbles and soda will quickly shoot out of the bottle in a high fountain. Mentos is a candy that made by spraying it with layers of liquid sugar. Introduction Diet Coke and Mentos, when mixed, will produce a violent reaction. After a lot of debate, scientists are now saying that the primary cause of Coke & Mentos geysers is a physical reaction, not a chemical reaction. The Science Behind the Fun Scientists aren’t sure exactly why the Mentos cause such an explosive reaction, but they think that the sweetener and other chemicals in the Mentos react with the Diet Coke to cause lots of carbon dioxide bubbles to form on the surface of the mints very quickly. The carbon dioxide molecules attach to the surfaces of the Mentos like they did in the cup of soda. A tube the width of the Mentos. Science of Mentos-Diet Coke Explosions Explained A study reveals why Mentos and Coke can be a dangerous combination. Some people speculated that the geyser was the result of an acid base reaction, given the low pH of soda. 3. does the amount of mentos added affect the explosion? A: No. You can also increase the effect by adding more surfactants to the soda before you add … You might have used the test tube method while someone else made a tube out of notebook paper. Why do Mentos explode in soda? We dropped two Mentos into a bottle of normal Cola and Diet Cola. 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