Wednesday, 2 July 2014

Balancing Redox Half Equations

Another recap of Level 2 work...



Thanks to Sam for finding these FLASH CARDS
Logan found these FLASH CARDS which are also excellent.

Tuesday, 1 July 2014

Oxidation Numbers

This is just a recap of last year's work. We discussed the allocation of oxidation numbers:




Monday, 23 June 2014

Chemical Minds

Check out this wikispace, set up by Michele McMahon from St Cuthbert's College.

Friday, 20 June 2014

Entropy and Gibb's Free Energy

I had a shocker trying to explain this. This video does a much better job:



As this has only been recently added to this topic, there are not many good questions out there. However, this one is pretty good:



Thank you to Logan for finding this good video too:

Wednesday, 18 June 2014

Hess' Law

After some debate about whether it should be Hess's Law or Hess' Law, we tried to get our head around this complicated concept:




Tuesday, 17 June 2014

Enthalpy of Formation



Here is the video I did last year, in case it is easier to understand:


Tuesday, 3 June 2014

Forces Between Particles

We started by looking at the types of solid we encountered last year. Then we focused on the forces between molecules. Last year, we called them "inter-molecular forces" but we need to be more specific this year.