Chemistry 12-Acids and Bases: Feb 7-Mar 12

Thurs  Mar 12:
We wrote the Acids and Bases unit test
homework:
March Break- no homework

Tues  Mar 10:
We took up the homework on Buffers and titration.  Then we started Redox unit with a new package, covering oxidation numbers and balancing.
homework:
Study for Acids and Bases Unit test.

Fri  Mar 6:
Lesson wrapped up Titration (p.  18)  and Buffers (14).  We did the Hydrolysis of salts lab and lab quiz.  Some multiple choice acids and bases questions were given for practice.
homework:
By Tuesday Mar 10:       Do Titration Textbook questions p. 599 #1-3;  p. 611 #7-9
                                        Do Buffers Textbook questions p. 620  Practice Q #1,2;  Section Q #5,7
 Wed Mar 4:
Lab quiz was returned.  Lesson covered Titration (p.  16-17)  and Buffers (p. 13-14)
homework:
 For Friday Mar 6:          Prepare for Salts and Hydrolysis lab and lab quiz
By Tuesday Mar 10:       Do Titration Textbook questions p. 599 #1-3;  p. 611 #7-9
                                        Do Buffers Textbook questions p. 620  Practice Q #1,2;  Section Q #5,7

Mon Mar 2:
We did the Weak acid/Weak Base lab and lab quiz.
homework:
 Do Hydrolysis practice (notes p 12)
Please note:  Hydrolysis lab  is moved to Friday

Thurs Feb 27:
We covered Hydrolysis
homework:
for next class (Mon, Mar 2)- Be ready for lab quiz on weak acids, weak bases and indicators.  Be able to estimate pH using indicators and calculate from tables/data: pH, Ka, Kb, conc of solution, % reaction with water for weak acid or weak base solutions.
for Wed Mar 4-  Do Hydrolysis practice (notes p 12)


Tues Feb 25:
We covered determining pH of weak bases determining Kb for weak bases (p.  8-9) and  Indicators (p. 15).  Please note the changes below to evaluation dates
homework:
Textbook Q listed on bottom of p. 9 on Weak bases
Indicator Q. from textbook listed on p. 15 of notes

Fri Feb 21 - No Class

Wed Feb 19:
We covered determining pH of weak acids and polyprotic acids (p.  6-7) and Lewis theory of acids and bases (p. 13)
homework:
Textbook Q listed on bottom of p. 7 on Weak acids
Lewis Theory exercise in notes (middle of p. 13)

Thurs Feb 13:
We covered Bronsted-Lowry Theory, Water equilibrium,  pH of strong acids and strong bases. (p.3-5)
homework:
No homework weekend.  If you want to get ahead in your work:
Do B-L Exercise in notes, p. 2,   pH and Kw textbook questions listed on p. 5 of pkg.

Tues Feb 11:
Equilibrium Test written
homework:
Finish Acid-Base Neutralization questions #1-4 on p. 2 of new package.

Fri Feb 7:
We started Acids and Bases package (p. 1-2)
homework:
Prepare for Equilibrium Test next class.  You will need a standard Math calculator.

TENTATIVE ACIDS AND BASES EVALUATION DATES:

Thurs Feb 27 Mon Mar 2 - Weak Acids and Bases lab and lab-quiz
Wed Mar 4-  Fri Mar 6 - Hydrolysis of Salts lab and lab-quiz
Tues Mar 10  Thurs Mar 12- Acids and Bases Unit Test