Thursday, September 16, 2010
Thurs-Day 2
Physics - introduced the mathematical/trigonometric method of adding vectors via resolving them into their horizontal and vertical components; we then use pythagorean formula to determine the length of the resultant, and the tangent formula to determine the direction/angle of said resultant.
With some practice, we will be able to solve hundreds of "seemingly" different problems that all just involve vector addition.
The map displacement lab is due tomorrow, Friday, in class.
I had extra help this morning, as posted and announced, to help anybody who had questions about the lab.
AP Chem - CHECK OUT Blackboard. I posted some very good review tutorials on ions vs. molecules, compound naming and formula writing, as well as a worksheet with key on these topics. There's also the promised animation of an ionic compound dissolving in water.
We did some double-replacement with precipitation equation writing, using the formula, ionic, and net ionic equations.
We then did a qualitative analysis lab in which we applied our knowledge of solubility rules, formula and equation writing to deduce a set of unknown solutions based on the reactions observed.
With some practice, we will be able to solve hundreds of "seemingly" different problems that all just involve vector addition.
The map displacement lab is due tomorrow, Friday, in class.
I had extra help this morning, as posted and announced, to help anybody who had questions about the lab.
AP Chem - CHECK OUT Blackboard. I posted some very good review tutorials on ions vs. molecules, compound naming and formula writing, as well as a worksheet with key on these topics. There's also the promised animation of an ionic compound dissolving in water.
We did some double-replacement with precipitation equation writing, using the formula, ionic, and net ionic equations.
We then did a qualitative analysis lab in which we applied our knowledge of solubility rules, formula and equation writing to deduce a set of unknown solutions based on the reactions observed.
# posted by C @ 10:43 AM 
