Friday, May 29, 2009
Chemistry class
I really enjoyed this year of science. Chemistry was a fun and easy class. Mr. Coleman was a very helpful teacher. What i liked most about this class is that i can make up test. Our notes packet also helped me a lot. I would take this class all over again if i could , and Im sad i have to leave. We had a great year Mr. Coleman!
Thursday, May 28, 2009
pH Scale
1. The pH scale extends from 0 to 14. With 0 being acidic and 14 being extremely alkaline. A pH of 7 is neutral.
2. Acids are found from 0 to 7 and bases are found from 7 to 14.
3. Ammonium the pH is 11.5
4. 7 is neutral
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