Wednesday, November 25, 2009

Weak, weak day 2

Another day, more weak acid and weak base

The following information is intended to assist you with one
(or two) of the questions assigned from day 2 of A/B llbm

The K value gives an indication about the amount of product.
The larger the K value, the great the amount of product.
In the world of acids and bases, the larger the K,
the greater [H3O+] and/or [OH-]
The greater the [H3O+] the lower the pH.
The greater the [OH-], the lower the pOH, and higher pH.

Ready for more acid base llbm questions?

Assigned Questions:
A few textbook questions to answer:

Page 579:
Weak acids: 4,5,6,7ab(for part 7b – calculate using only HNO3 and HF)
Weak bases: 9ac, 10ab(for part 10b-calculate using only atropine), 16

Relationship between Ka and Kb ? – read pages 559 to 563, then answer:
Page 563 (6)   Page 579 (14)

Finished all of the above? Begin the next organic handout – reactions of alkanes/enes/ynes. Don’t be afraid to look in the textbook.
A few weak jokes. What is the best way to carve wood? [Ans: Whittle by whittle] Don't be afraid of the next couple. If fruit comes from a fruit tree, what kind of tree does a chicken come from? [Ans: A poul-tree] Why did Beethoven get rid of his chickens? [Ans: Because the kept saying "Bach, Bach, Bach."]