Make Elephant Toothpaste Pour 1/2 cup hydrogen peroxide solution, 1/4 cup dishwashing soap, and a few drops of food coloring into the bottle. In a separate container, mix a packet of active yeast with a little warm water. When you are ready to do the demo, pour the yeast mixture into the bottle.
It is safe to touch because all that foam is just soap, water and oxygen. Let your kids have some fun with the foam too. Just be sure to have a towel handy!
The purpose of this experiment is to test how the amount of hydrogen peroxide and the percent of it will affect the strength and size of the chemical reaction.
The 500 ml of water has a heat capacity of around 2100 J/K. So, the solution gets about 12 K hotter. Highly active question.
This demonstrations is called Elephant’s Toothpaste because the chemical reaction produces a large foamy mess that looks like toothpaste squirting out of a tube. It is so big that only an elephant could use toothpaste this large. It is, of course, not toothpaste so please do not try to brush your teeth with it!
We call this an exothermic reaction, which means it makes heat . That’s why the bottle feels warm . Real Life: One example of a common catalyst is found in cars.
The Devil’s toothpaste , the engineer says, was made from a proprietary mixture, and is far more dangerous than elephant’s toothpaste . The resultant show it puts on, however, is perhaps even better than the elephant toothpaste’s . What do you think about the world’s tallest elephant- toothpaste fountain?
The reaction typically breaks down the hydrogen peroxide so you are left with mostly just soapy water and yeast. There can , however be un-reacted peroxide which could irritate skin and eyes. For that reason, it is recommended you do not touch the foam.
Hydrogen Peroxide . A catalyst (often potassium Iodide or yeast) Soap.
Our hypothesis stated that the trial using the 30% solution would be the fastest and it was proven correct. It was the fastest because it had more pure hydrogen peroxide making it have more oxygen when broken down and pushing the foam out faster.
Mix two parts peroxide and one part dish soap (many recommend blue Dawn , but most soaps should work fine), and use it to pre-treat stubborn stains on clothing. Be aware that peroxide can be a bleaching agent, so if you ‘re concerned about color-fastness of clothing or carpet, test it on an inconspicuous spot.
Re: Elephant toothpaste What is happening is that the reaction is generating pure oxygen, which is a highly flammable environment.
The oxygen-filled bubbles, which make up the foam, are actually the remainder of what happens when the hydrogen peroxide breaks down into water and oxygen. The bottle felt warm to the touch because this was an exothermic reaction in which energy is given off in the form of heat .
The chemical reaction is known as an exothermic reaction so heat is given off. The heat is not enough to cause any harm so you can definitely feel the foam and play around. The foam is just water, soap and oxygen so it isn’t toxic.
The highest elephant’s toothpaste fountain is 20 m (60 ft 7 in), and was achieved by Fletcher Rollinson, Mark Rober, Bob Pflugfelder, Jacob LaRocca, John Marcu, and Dale Leishman (all USA) in Gridley, California, USA on 22 August 2020.