OL' FOAMY

Peroxide & soap decomposition

2H₂O₂(aq) ---> ₂O(g)+O₂(g)+Energy

View the movie below

Safety Tips: Always wear goggles and a apron when doing this experiment.

Be careful not to let hydrogen peroxide and sodium iodide touch you skin.

 

Quiz

1) Why did the experiment foam?

Click to see answer There was soap used.

2) Why do you need to be careful with the sodium iodide?

Click to see answer It's very toxic

3) What percent is the peroxide used in the experiment?

Click to see answer 30%

4) What type of dish soap should be used in the experiment?

Click to see answer It doesn't matter as long as it's dish soap.

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Louis Jacque Thenard

Louis Jacque Thenard a chemist, born in La Louptière, France. He studied pharmacy at Paris, and became professor at the Collège de France. He was made a baron in 1825, and appointed Chancellor of the University of Paris. He discovered sodium and potassium peroxides, the pigment Thenard's blue (used for colouring porcelain), and proved that caustic soda and potash contain hydrogen. He was closely associated with Gay-Lussac, and wrote a once-standard work on chemistry.

 

Cultural Event 1818

On October 8th of 1818 2 English boxers were the first to ever wear padded gloves.

 

Social Event 1818

On November 20th 1818 There was a hurricane in Jamaica.

 

Scientific Event 1818

In 1818 Michael Farad began a series of successful experiments on alloys of steel which were not commercial because of the alloyed materials.

Now work on steel alloys is based on Faraday's work.