December 7

Your homework this weekend is to write 2 questions per topic for your final exam. The topics were on the board.

Here they are:
Study Guide Topics
Chem Com Final Exam
2007-2008
1st Semester

Direct vs. Indirect water usage
Physical vs. Chemical Properties
Physical vs. Chemical Changes
Elements, compounds
Homogenous/heterogeneous mixtures
Colloids/ suspensions/solutions
Chemical symbols
Protons/neutrons/electrons
Atomic number/ Mass number
Isotopes
Write formulas for ionic compounds
Cations/anions
Saturated/unsaturated/supersaturated
effect of temperature on solubility
Polarity
Calculate concentration
Acid/base
pH scale
Metals/nonmetal/metalloids
Earth’s layers
Redox reactions
Oxidation/reduction
Conservation of matter
Balance equations
Molar masses

November 19

Hi class,
Today in class you all received your study guides for Monday's test. Remember, for the Redox section of the test, come up with other possible combinations to test your understanding of how to use the metal activities list.

Homework: Work on the study guide.

November 15

Hi class, here is today's Power Point:

http://docs.google.com/Doc?id=df5pkggb_1570cz3s72

•Homework: Page 151 and 152 #12-15, 18, 19, 21, 22

November 13

We had a quiz today on Scientific Notation.

Homeowrk: None

November 6

Hi class,
Today we had a test on Unit 2A. I will try yo get them graded by Next Tues. November 13. Speaking of next Tuesday Nov. 13, your paper will be due.
The essay topic is found on Page 152 question #29: Find and describe a historical example of uneven distribution of natural resources and its impact on relations between nations. Notice I am not limiting the topic to mineral resources.

On Thursday, we will continue with section 2B.

November 2

Hi class,
Today we did the Metal Reactivity Lab found on pages 141 and 142 in your textbook.

Your homework tonight is to complete the lab conclusion. Remember that your conclusion must also include a summary of what you learned.

Also for homework you must read and complete the reading content assignement for section B.8 of Unit 2

Complete the following table:



***************************Oxidation*************Reduction

Definition


Example


Equation


Electrometallurgy


Pyrometallury


Hydrometallurgy





What are the similarties of oxidation and reduction?

October 31

Hi Class,
Today we started class by going over last nights homework .
Next we discussed the prelab for Friday's Metal Reactivity lab. You all learned how to look up on the Internet MSDS information for the chemical solutions you will be working with.

SO in your prelab, which is homework for tonight, you must write your procedures on left hand side
ON the right hand, you must include:
The date in upper right corner
Title
Your name and name of partner
Purpose
Materials
Include in this section a table which includes the following info:
Name of chemical, Physical Properties, and Precautions/Dangers
Also list the other materials used in the lab
Data (data table)
Conclusion
You must write the questions, then answer. Also include what you learned in doing this lab, and if you had any problems, included that in this section.