Wednesday, December 4, 2013

Extra Kinetic Notes for AP Chem

While searching on the web, I found a great set of easy to understand notes on kinetics by Dr. Jeffery Mack from the California State University Sacramento (CSUS).

  
Below is a sample of these notes.

Tuesday, December 3, 2013

Quantum Quest: Hierarchy of Shared Folders using Google Drive

Quantum Quest: Hierarchy of Shared Folders using Google Drive: Our school, Seymour High School (SHS) , recently and unofficially began using Google Apps for Education .  As such we were given SHS Google...

Friday, November 1, 2013

Thermite 2013 at SHS

Thermite Demo for 2013!  It's Hot...How hot????


Hot enough to melt iron!

This demo was performed on October 22, 2013.  The thermite mixture consisted of 25 g of Al and 75 g of Fe2O3.  The ignition reaction was made with mixture of KClO3 and sugar and a couple of drops of H2SO4.

Sunday, October 27, 2013

Neat Interactive Periodic Table

The following is a very impressive Periodic Table Link that a student in one of my Honors Chemistry classes had shared with me: Dynamic Periodic Table.

This interactive table is by far the simplest to use and understand yet sophisticated table I have seen. For example, it not only shows the complete electron configuration but also orbital notation.  But wait there's more, orbitals shapes are also given.  

Check it out...

Kudos goes out to my student (can't use his name without an act of congress).


Thursday, October 17, 2013

Rainbow Flame

Take Chemistry!
This neat looking rainbow flame was produced by some students after the completing Flame Test test lab.



Friday, October 11, 2013

AVERAGE ATOMIC MASS EXAMPLE PROBLEMS

AVERAGE ATOMIC MASS EXAMPLE PROBLEMS

Problem #1: Carbon
mass number
     exact weight
     percent abundance
12
12.000000
98.90
13
13.003355
1.10
To calculate the average atomic weight, each exact atomic weight is multiplied by its percent abundance (expressed as a decimal). Then, add the results together and round off to an appropriate number of significant figures.

This is the solution for carbon:
(12.000000) (0.9890) + (13.003355) (0.0110) = 12.011 amu


Problem #2: Nitrogen
mass number
     exact weight
    percent abundance
14
14.003074
99.63
15
15.000108
0.37

This is the solution for nitrogen:
(14.003074) (0.9963) + (15.000108) (0.0037) = 14.007 amu