Diet Coke And Mentos Nucleation
That creates so much pressure that the soda goes flying.
Diet coke and mentos nucleation. You can also increase the effect by. Place the index card over one end of the tube and invert it. Erupting diet coke with mentos wax paper cutting board knife one roll of mentos at least eight candies two index cards tape two two liter bottles of diet coke an outdoor area at least two meters from buildings eye protection safety goggles or glasses video.
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. Pop a handful of mentos candies into a bottle of coke and a fountain of bubbles rapidly spurts from the open bottle often over a metre into the air. Place one bottle of diet coke in the refrigerator and let it sit overnight.
What you need 1 x bottle of cola diet cola works best 1 x bottle of lemonade or any other soda 1 x packet of mint mentos an outdoor area you can hose down afterwards. Slowly open the 2 liter bottle of diet coke. Set the card and the tube with the mentos inside on top of the open mouth of the bottle making sure the opening of the tube lines up with the mouth of the bottle.
The candies catalyze the release of gas from the beverage which creates an eruption that pushes most of the liquid up and out of the bottle. This explains why it takes time for a river to freeze over in the winter but once the ice starts forming in the body of the river it usually covers the river very rapidly. Diet soda which can be used to demonstrate nucleation when combined with mentos.
Originally the explanation for the effect was thought to be quite simple. A diet coke and mentos eruption is a reaction between the carbonated beverage diet coke and mentos mints that causes the beverage to spray out of its container. Steve spangler s televised demonstration of the eruption.
Lee marek and marek s kid scientists were the first to publicly demonstrate the experiment on the late show with david letterman in 1999. You ll want to purchase three bottles of diet coke and two rolls of mentos. Place the second bottle in a place where it can reach room temperature overnight.