Carbon dioxide is the chemical compound that consists of two oxygen atoms bonded to a carbon atom. Carbon dioxide creates the bubbles in soda. The goal of this project is to explore the eruption of carbon dioxide when the candy Mentos dissolves in Diet Coke.
The Mentos candy gelatin and gum arabic create an energy that breaks the surface tension of the soda. The pits on the candy coating act as conduits for carbon dioxide bubbles that form immediately when the candy hits the soda, increasing its fizziness. When the candy hits the bottom of the bottle, the gas is released and pushes the soda from the bottle up in the air in an amazing eruption! Bookmark this to easily find it later. Then send your curated collection to your children, or put together your own custom lesson plan.
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Mentos and Diet Coke Experiment. Science project. Share this science project. Problem: Observe and explain the Mentos and Diet Coke experiment. Download Project. Subject Science Chemistry. Thank you for your input. Materials: Mentos mint candy Diet cola A variety of containers with varying sized opening A narrow test tube wide enough to fit the candy [Klutz and others make a delivery contraption that is easier.
Cover the opening of the test tube with an index card or similar slim, small paper. Invert the test tube, holding the cover in place. Place the soda bottle outside in and area that can get dirty.
Open the soda and place the index card over the bottle opening. Pull the index card away swiftly, dropping the candies into the soda. Be prepared: the eruption happens quickly, so back up fast!
Diet Coke and Mentos eruption
Observe the eruption—height, trajectory, duration, etc. Record your observations in a logbook. Repeat the process, varying the opening that the soda erupts from. For example, cut the bottle top to increase the diameter an inch or more. Alternatively, dispense the soda into a vase or pitcher. Be sure to measure the diameters for each eruption. Observe each eruption, recording the details and compare the results.What is the Mentos and Soda Experiment?
Great question! This experiment is about the physical reaction between the fizzy carbonation that is pumped into every delicious soda, and the layers of sugar coating that is found on every Mentos candy. These little bumps are great attractors for the carbonated gaswhich will cause the gas to cling onto the candy at these Nucleation sites and form a massive about of bubbles.
As the Mentos makes its way to the bottom of the soda, these foamy bubbles have no other place to go, except to cause an epic eruption out of the top of your soda! So What Soda works the best? This is where it gets fun! It is now time to mix a bit of science with carbonated explosiveness.
To make do your own Mentos and Soda Experiment, we will need a few things The first thing we are going to do is fill our Geyser Tube with Mentos candy!Angle measure game
Make sure your Geyser tube is locked at the bottomso your candy doesn't spill out before you are ready. Feel free to be wild and adventurous and try more than one soda at a time! Will Angelina, Annabella and Scarlett get covered in soda from an experiment gone wrong?? Tune is to see what happens when The Wild Adventure girls explore the world of science and soda eruptions! Share it below! Write a comment. Chad S Sunday, 13 January Elizabeth Sunday, 24 February February Soda of Your Choice.
Geyser Tube. We found our off of Amazon Mentos Candy.Key concepts Chemistry Physics Materials science Carbonation Physical reactions Explosions Introduction Have you ever seen the Diet Coke and Mentos experiment that is all over the Internet and wondered what makes the reaction work? 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.
But the amazing eruption that takes place when Mentos are dropped into Diet Coke or other brands of diet soda pop is not a chemical reaction at all! Instead it is a physical reaction. That means that all of the pieces of the reaction are there, but that they are simply rearranged. It also means changing some factors may cause a larger or smaller physical reaction to take place.
Background A carbonated beverage is packed full of dissolved carbon dioxide gas, which forms bonds with water. While the soda is in the bottle, the gas is kept in solution by the bottle's pressurized conditions. When you pour some soda into a glass, some gas escapes and forms foam, but most stays trapped by the surface tension of the water.
But all those gas bubbles want to escape, making it no wonder that soda makes you burp! To create bubbles, the carbon dioxide needs to interact with itself, which means that the carbon dioxide's bonds with water in the Diet Coke must be broken.
A Mentos candy can help with this. Although the candy may look smooth, if you looked at it under a microscope you'd see tiny bumps coating its entire surface. This rough surface allows the bonds between the carbon dioxide gas and the water to more easily break, helping to create carbon dioxide bubbles and cause the classic eruption.
The speed at which the Mentos falls through the soda can affect how large the eruption is, and this can be tested by comparing whole with crushed Mentos, the latter of which are less dense. On the wax paper, carefully use a knife to crush and cut four Mentos candies into many small pieces. An adult may help you cut up the candies. What does the inside of the candies look like? Tape the tube together on the side.
Make sure that the bottle is on a level surface and stably standing straight.The reaction is so intense, you can make a rocket propelled by the resulting geyser. But what's the science behind this reaction? In JuneDr. Tonya Coffey of Appalachian State University and her physics students published a paper on the phenomenon in the American Journal of Physics.
They were inspired by a MythBusters episode that, according to the paper"did a wonderful job of identifying the basic ingredients in this reaction Coffey and company discovered that the ingredients in the Mentos and Diet Coke and, more importantly, the structure of the Mentos, allow carbon dioxide bubbles to form extremely rapidly.
When this happens fast enough, you get a nice Diet Coke fountain. Each Mentos candy has thousands of small pores on its surface which disrupt the polar attractions between water molecules, creating thousands of ideal nucleation sites for the gas molecules to congregate. In non-science speak, this porous surface creates a lot of bubble growth sites, allowing the carbon dioxide bubbles to rapidly form on the surface of the Mentos.
The buoyancy of the bubbles and their growth will eventually cause the bubbles to leave the nucleation site and rise to the surface of the soda. Bubbles will continue to form on the porous surface and the process will repeat, creating a nice, foamy geyser. In addition to that, the gum arabic and gelatin ingredients of the Mentos, combined with the potassium benzoate, sugar or potentially aspartame in diet sodas, also help in this process. In these cases, the ingredients end up lowering the surface tension of the liquid, allowing for even more rapid bubble growth on the porous surface of the Mentos—higher surface tension would make it a more difficult environment for bubbles to form.
Diet sodas produce a bigger reaction than non-diet sodas because aspartame lowers the surface tension of the liquid much more than sugar or corn syrup will. You can also increase the effect by adding more surfactants to the soda when you add the Mentos, like adding a mixture of dishwasher soap and water. Another factor that contributes to the size of the geyser is how rapidly the object causing the foaming sinks in the soda.
The faster it sinks, the faster the reaction can happen, and a faster reaction creates a bigger geyser; a slower reaction may release the same amount of foam overall, but will also create a much smaller geyser.
This is another reason Mentos works so much better than other similar confectioneries: The candies are fairly dense objects and tend to sink rapidly in the soda. The temperature of the soda also factors into geyser size.
Gases are less soluble in liquids with a higher temperature, so the warmer your soda is, the bigger your Mentos-induced geyser will be. This is because the gases want to escape the liquid, so when you drop the Mentos in, the reaction happens faster. 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.
This is not the case either.
In fact, the level of acidity in the Coke before and after the Mentos geyser does not change, negating the possibility of an acid-based reaction—though you can make such an acid-based reaction using baking soda. BY Daven Hiskey. It's All About Texture Coffey and company discovered that the ingredients in the Mentos and Diet Coke and, more importantly, the structure of the Mentos, allow carbon dioxide bubbles to form extremely rapidly.
Size Matters Another factor that contributes to the size of the geyser is how rapidly the object causing the foaming sinks in the soda. What Doesn't Work 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.And you may not have a friend for a day or two until they forgive you.
But making soda explode is fun.
Mentos and Soda Experiment!
And there is a way to make it really go boom if you have a few pennies and a bit of time on your hands. Note — be sure to only try this experiment with a responsible adult!
It really only takes a few minutes to setup the mentos and coke volcano experiment. A two-liter bottle of diet soda diet soda makes for a much better reaction, but you can use regular soda if you like.
A tube the width of the Mentos. It needs to be wide enough to use as loader for the Mentos. The scientific method is an important way scientists make observations and come to conclusions.
Part of the scientific method is making a prediction called a hypothesis. Be ready. Place the index card and candies over the mouth of the bottle. Make sure the candies are in line with the mouth of the bottle. Now remove the index card and let candies fall in and step away from the Mentos and coke volcano.
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Being responsible We approach everything we do responsibly. Latest news. Happy Birthday Chupa Chups!Mentos stylized as mentos is a brand of prepackaged scotch mints sold in stores and vending machines.
First produced init is currently sold in more than countries worldwide by the Italian corporation Perfetti Van Melle.Remington 700 barrel diameter
They are typically sold in rolls which contain 14 mint discs, although the "Sour Mix" variety contains only 11 discs per roll. Smaller versions also exist, typically containing 4 to 6 discs per roll.2007 nissan altima 2 5l engine assembly parts diagram
Certain flavors are sold in boxes in Australia, the United States, Malaysia, Indonesia, Brazil and the United Kingdom, and the rolls are available in four packs. The current slogan of Mentos is "Stay Fresh",  while the line previously used extensively in the 80s and 90s was "The Freshmaker".
Mint flavored Mentos contain sugar, wheat glucose syrup, hydrogenated coconut oil, rice starch, natural flavors, gum arabic, sucrose esters of fatty acids, gellan gum, carnauba wax, and beeswax. Mentos are available in several flavors including mintmixed fruit, cola, bubble gum, and in an assortment of orangestrawberryand lemon. Mentos first appeared as a liquorice -flavored sweet which can still be purchased in the Netherlands as "Drop Mentos. Other flavors include green applecinnamonstrawberry, mixed fruit which contains a mix of cherry, strawberry, orange, and lemon flavorsgrapewintergreengrapefruitpeachplumspearmintstrawberry yogurtlemon yogurt, pineapple pine freshred apple, currant and two versions of black licorice flavored Mentos.
Two varieties of the mint flavor, known as "Mentos Strong" and "Air action Mentos" are sold in the Netherlands. Also available in the Netherlands is the Special Mix 4 pack, containing the flavors mint, fruit, berry mix, strawberry, banana, cherry, and mango orange. Two varieties of the mint flavor are also sold in China, known as "Mint" and "Strong Mint. Chocolate Mentos were produced inbut the flavor was discontinued. Inthe citrus mango flavor was introduced to the Japanese market.
In the Philippines, a "Dalandan Fresh" variant is available. In India, the major flavors available are mint, lemon, strawberry, orange, watermelon and cola. In the Netherlands, Mentos Gum is sold in blisters and bottles in six different varieties: Pure four flavorsFruit four flavorsRegular five flavorsBubblegum, Cubes four flavors and White three flavors. In Augustthe variety of the mint which comes in "mixed berries" and "cool mint" flavors was changed to be sweetened with sucralose.
In the Netherlands the flavors mint, licorice and fruit are also available in the sugar-free variety. Flavours include peppermint or spearmint with green tea extract, and a pure white with white tea extract.
Sugar free versions are available, but these are rarer to find, usually only found in large supermarkets.
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