The following link is quite a nice one. At the end of it there are some practice questions with answers.
http://www.wwnorton.com/college/chemistry/gilbert/tutorials/interface.asp?chapter=chapter_14&folder=reaction_order
or try
http://www.wwnorton.com/college/chemistry/gilbert/tutorials/interface.swf?chapter=chapter_14&folder=reaction_order
[Both represent the same link, the first one has a few letters changed so that it will work at school]
Next up PE Diagrams - something like:
Source: http://irina.eas.gatech.edu/lectures/lec6fig4.jpg (October 21, 2009)
That is all for today kiddies. Finally, fish funnies: Why are fish so smart? [Because they live in schools.] Why is it so easy to weigh fish? [Because they have their own scales.] What is the easiest way to catch a fish? [have someone throw it at you.] Finally. What happens when you throw a green rock into the Red Sea? {It gets wet.]
