Friday, October 26, 2007

 

Fri-Day 1

All Classes: This could be one of the most important proofs/discoveries in the history of humanity. Check out this simple article.

Bio- HW for this weekend: Outline Text Section 11.1 (that's right, Chapter ELEVEN is on DNA) and finish writing your mitosis lab; both the outline and the lab are due on Monday.

You may use these or any related sites for assistance with the lab:
http://www.microscopy.fsu.edu/micro/gallery/mitosis/mitosis.html
http://biog-101-104.bio.cornell.edu/biog101_104/tutorials/cell_division/wf_review_fs.html

Chem 7- we did some more Gas Law practice showing how to use the Combined Gas Law to solve a word problem. Practice these problems EXACTLY AS WE DID THEM IN CLASS. Do not take chances with a LESS careful method (this includes ALL methods except for the one that I showed you). The same mistakes that some of you make because you do not follow test-taking or problem-solving advice will cost you much more on this upcoming test because this test involves mostly MULTI-STEP math problems that result in many careless errors.
We then discussed the four tenets of Kinetic Molecular Theory and related them to how a gas can behave "ideally"=like an ideal gas. We will develop this further and also show you how each gas law looks GRAPHICALLY. It is extremely important to know how to GRAPH the gas laws and to see the characteristic curve or line for each law- we will do a lab on that next week.
For lab on Monday, bring in an empty 12-ounce aluminum soda can. We'll apply a gas law to the can!

Chem 8/9- we finished deriving the various gas laws and saw how they could be combined into either the "Combined Gas Law" or the "Ideal Gas Law". We then developed a fail-safe method for solving any gas law problem in the QUICKEST and MOST ERROR-PREVENTING manner. Practice all gas law problems EXACTLY AS WE DID THEM IN CLASS. Do not take chances with a LESS careful method (this includes ALL methods except for the one that I showed you). The same mistakes that some of you make because you do not follow test-taking or problem-solving advice will cost you much more on this upcoming test because this test involves mostly MULTI-STEP math problems that result in many careless errors.
We then discussed the four tenets of Kinetic Molecular Theory and related them to how a gas can behave "ideally"=like an ideal gas. We will develop this further and also show you how each gas law looks GRAPHICALLY. It is extremely important to know how to GRAPH the gas laws and to see the characteristic curve or line for each law- we will do a lab on that next week.



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