Topic 3. Chemical Reactions

 

Activities and Demonstrations

Balancing Redox Reaction in Acidic Medium
 This page demonstrate the steps involved in a balancing of a redox reaction in an acidic medium. 
Balancing Redox Reaction in Basic Medium
This page demonstrate the steps involved in a balancing of a redox reaction in a basic medium. 
 

Web Resources

http://www.chem.vt.edu/RVGS/ACT/notes/net_ionic_rxns/net_ionic_rxns.html  

Online questions on writing net ionic equations.

http://library.kcc.hawaii.edu/external/chemistry/  

This page offers a review of redox chemistry. It provides some practice example that give immediate feedback, and also offers some interesting examples of everyday applications of redox chemistry!

http://www.chem.vt.edu/RVGS/ACT/notes/scripts/bal_eq1.html  

Has practice questions on balancing chemistry equations.
 

Real world application of concepts covered in this topic

http://science.howstuffworks.com/battery.htm/printable
Explains how batteries work. Redox reactions drive batteries.
http://science.howstuffworks.com/smoke.htm/printable
Explains how smoke detectors which use radioactive elements.
http://science.howstuffworks.com/breathalyzer.htm/printable
explains how a breathlyzer works. It involves a redox reaction.
http://science.howstuffworks.com/question463.htm/printable
Explain why paper turns yellow over time. It involves oxidation.
http://health.howstuffworks.com/tooth-whitening.htm/printable
Explain how tooth-whitening works. May involve the use of hydrogen peroxide and therefore a redox reaction.
http://science.howstuffworks.com/question189.htm/printable
Explains how chlorine bleach works. Bleaching action is a redox reaction.