Elephant's Toothpaste: 02/23/2021

 This week my classmates and I were able to further our understanding of chemical reactions. We also were able to identify a catalyst, a substance that increases the reaction rate without being consumed. The catalase in this experiment was the yeast, which broke down the hydrogen peroxide. During this lab we were able to see the physical changes that occurred when the molecules interacted with each other. 

Materials:

100ml beaker 

Yeast 

Suturing rod

500ml flask

Dish soap 

Food Coloring 

6% Hydrogen peroxide 

Lab: My partner and I began by first adding two packets of yeast to the 100ml beaker, along with 50ml of warm water and began to mix. Secondly we added 200ml of hydrogen peroxide to the flask along with dish soap and food coloring. Finally we added the yeast to the flask and observed the reaction. Once the yeast was added bubbling started immediately and the flask was warm to the touch. Shortly after foam shot out of the flask. The pictures below are from the lab.