Thursday, 6 March 2025

Practice Drawing Bohr Diagram and Lewis Diagram


   

You will practice drawing Bohr Diagrams and Lewis diagrams.   You can practice this by working through  this Study guide on the same topic  and the Answer key   or you can work on any worksheets provided in class.


Monday, 3 March 2025

liver or potato enzyme lab

 


In the human body, ENZYMES help speed up chemical reactions. 

Today we take a piece of raw pork liver and add it to Hydrogen Peroxide.  Raw liver contains an enzyme called "catalase" which has a job of breaking the bonds in hydrogen peroxide.  When those bonds are broken, atoms rearrange themselves and new products are formed.  

In the lab, we discover the new products

Dry Ice lab: Solid CO2

 



you did  a solid carbon dioxide lab