Redox



**Introduction** Redox Chemistry involves reactions that undergo electron transfers. In order for electrons to be transferred, one substance must supply the electrons while another substance must gain those electrons. So, in reality, redox is two processes - oxidation and reduction. These reactions make up our study of Electrochemistry which includes the study of Galvanic cells and Electrolysis. These processes are important to understand how batteries work and techniques such as electroplating. You will soon discover that Redox is truly electric!



**Oxidation Numbers** Go here for some practise problems assigning oxidation numbers (or states) An oxidation number game - here

**Simulations Activities**
 * Go to [|www.eduweblabs.com] to work through a simulated experiment on the Activity Series of metals. It is located in the 'Advanced Chemistry' section. Follow the instructions on the Word document below:


 * Go here and work through a simulation on voltaic cells. Follow the directions and answer the questions on the Word document below:[[file:Electrochemistry Simulations.docx]]


 * Now go here and design your own experiment using voltaic cells and different concentrations to draw conclusions about how concentration affects voltaic cells. Write this up in your lab notebook
 * Go [|here] to visualise a Galvanic cell


 * Electrolysis **





media type="youtube" key="a6RR4kPsnlE" height="315" width="420"

media type="youtube" key="_fNNQfGGYr4" height="315" width="560"

media type="youtube" key="GA88JI4AymY" height="315" width="560"

media type="youtube" key="yp60-oVxrT4" height="315" width="560"

media type="youtube" key="UEPJXSXw7HA" height="315" width="420"