The Science Behind The Mentos And Coke Geyser

 

For most children, making a geyser out of Mentos and Coke is a necessary rite of passage. It's a blast, but it's also a little dirty and a little dangerous. If you mix Mentos and Coca-Cola, what happens? What hidden elements are only found in these well-known brands that make this age-old backyard scientific experiment so successful?




A soft drink by any other name

 

Surely one soft drink may be compared to another? In a way, yes. There should be no difference in outcomes no matter what type of fizzy drink is used in this experiment. If you wanna by mentos go to candyville website.

 

We now know that diet Coca Cola is the most effective soft drink when it comes to obtaining a nice burst of spray thanks to the efforts of citizen scientists throughout the world that are available via the Internet.

This experiment may be carried out with a broad variety of soft drinks, but Mentos must be used as the candy. Because Mentos has something going on at the microscopic level that other candies don't have, it has a unique flavour and feel. The pits on the surface of each Mentos sweet serve as nucleation points.

 

This is when the carbon dioxide molecules that are dissolved in the soft drink come out of solution and migrate to their gaseous state, creating a nucleation site. This causes the bottle to burst with a burst of bubbly gas. With millions of holes in each pit, millions of carbon dioxide bubbles are created in a short period of time, culminating in the geyser-like whirlpool.

 

It is also important to note that the Mentos are heavy. Because of their weight, these candies are able to sink all the way to the bottom of the bottle. Mentos cause havoc in the bottleneck after they've set up shop there, releasing massive volumes of carbon dioxide and shoving the liquid on top of them out of the way.

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