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The surface of a Mentos is not smooth; it has microscopic pits, or nucleation sites, on it. These pits cause the CO2 in Diet Coke to come out of solution very quickly at the bottom of the bottle. The result is rapids release of the CO2 and foam in an explosion. This is actually the physical change that occurs. Due to the addition of caffeine, potassium benzoate, and Aspartame with the CO2 in the Diet Coke, the reaction is much greater--this would be the chemical change.
The Mythbusters did an entire show devoted to discovering why this happens. See the related link below.
What else can I help you with?
Is the Diet Coke and mentos eruption a permanent or a temporary change?
Coke n Mentos eruption is a temporary change !!
What happens when you microwave Diet Coke with Mentos inside of it?
If you put a mentos in the diet coke and put it on the microwave, it will cause a chemical reaction causing your microwave to explode.
What happens if you combine a metos candy with Diet Coke?
If you combine Mentos and Diet Coke, you could get a big boom. The coke will react with the mentos, making a chemical reaction together and create the giant explosion.
What is better for the coke and Mentos experiment Diet Coke or Full-Fat Coke?
Diet Coke
What soda explodes with Mentos?
Diet Coke and Mentos produce the largest spectacle.
What materials are needed for coke and Mentos?
a two liter bottle of Diet Coke 2 rolls of Mentos mints 1 piece of 8x10 inch paper, like construction paper tape
What candy makes Diet Coke exsplode better?
mentos
Why is it better to use Diet Coke than regular coke in a mentos and coke experiment?
Because the chemicals in diet coke react with the chemicals in the mentos, Normal coke has the same chemicals that mentos has, that is why you need to have a positive and negative to react, Normal coke and mentos is positive and positive.
Why is Diet Coke and Mentos a temporary change?
because it only makes a bit of gas when it explodes
What is the ingredients in Mentos and Diet Coke?
Chocolate
Witch explodes faster with mentos in it Diet Coke or reguler coke?
diet coke the ingredients they put in with the diet coke reacts faster then regular coke.
What is the average height of the Mentos and Diet Coke eruption?
It depends how big the bottle of coke is that you put the mentos in. There is no specific height
