Quiz 5 Material - More info

[Robert Zellmer]

Quiz 5:  Chapter 17 (17.4-17.7), Ch 5 (review) and Ch 19 (19.1-19.5)

*Sections 17.4-17.6:*

Solubility equilibria, solubility and molar solubility,
solubility-product constant (Ksp), calc.  Ksp from solubility,
calc. solubility from Ksp.  Factors affecting solubility
(common-ion effect, pH, complex-ion formation, amphoterism),
precipitation and separation of ions.

*Section 17.7: *

We didn't go over this in any detail.  You should read it and
understand this "Qual Scheme" and flow chart is about using the
knowledge learned about precipitation and Ksp from the preceeding
sections.  You should be able to do the Sample Integrative Exercise
in this section.  There are a couple of homework problems over this.
There are no questions on the quiz pertaining to this section.

*Homework coverage (you should be able to all problems in the given ranges):
*
For those of you using the 14th edition the quiz covers sections
17.4-17.7 and homework problems 17.8-17.12, 17.49-17.76, 17.97-17.109,
17.115-17.118

For those of you using the 13th edition the quiz covers sections
17.4-17.7 and homework problems 17.8-17.12, 17.49-17.76, 17.98-17.109,
17.115-17.118

For those of you using the 12th edition the quiz covers sections
17.4-17.7 and homework problems 17.8-17.12, 17.49-17.74, 17.96-17.107,
17.113-13.116

For those of you using the 11th edition the quiz covers sections
17.4-17.7, and homework problems 17.8-17.12, 17.47-17.70, 17.91-17.101,
17.107-17.110

*For the on-line homework:

*Do ch 17 (17.4-17.7) tutorial set and homework review problem set.
The due dates were pointed out in a previous e-mail.  Remember there
are also the DSM questions.  Also, there are the practice exercise #1
problems for Ch 17 (which are not for credit).

On the quiz, if you need to use an ICE table, you must show the work
and the ICE table.  When making any assumptions you should show that
your assumptions are okay (less than 5% error).  If the percent error
is greater than 5%, you need to solve the resulting quadratic equation
or use the method of successive approximations (both shown in class
and in the notes).  You must show this work.  If you don't, you will
not get full credit.

*Chapter 5 (review material): *

Understand first law of thermodynamics (conservation of energy and
E=q+w from ch 5), state functions, Hess's Law, Enthalpy of
Formation and how to use these to obtain enthalpies of reaction.
These things are related to what is being done in chapter 19.

See my chapter 19 notes (pages 1-17 to get an idea of what sorts of
things you need to review from chapter 5).


*Sections 19.1-19.5: *

Understand first law of thermodynamics (conservation of energy and
E=q+w from ch 5) and the 2nd and 3rd laws which deal with entropy.
Should be able to calc. entropy changes for both system and
surroundings for reversible (equilibrium) and irreversible processes.
Understand the diff. between reversible and irreversible processes.
Understand the molecular interpretation of entropy and microstates as well
as Boltzmann's eqn (19.5).  Be able to make qualitative predictions about
changes in entropy.  Be able to calc. entropy changes using standard
entropies (eqn 19.8).

Understand free energy and how it relates to enthalpy, entropy, temp.
and spontaneity.  Know how to use std. free energies of formation to
calc. std. free energy changes for a rxn (eqn 19.14).

*Homework coverage (you should be able to all problems in the given ranges):

*For those of you using the 14th edition the quiz covers sections
19.1-19.5 and homework problems 19.1-19.6, 19.11-19.62, 19.85-19.94,
19.103-19.109

For those of you using the 13th edition the quiz covers sections
19.1-19.5 and homework problems 19.1-19.6, 19.11-19.64, 19.87-19.96,
19.107-19.113

For those of you using the 12th edition the quiz covers sections
19.1-19.5 and homework problems 19.1-19.6, 19.11-19.64, 19.87-19.96,
19.108-19.112

For those of you using the 11th edition the quiz covers sections
19.1-19.5 and homework problems 19.1-19.4, 19.9-19.60, 19.83-19.88,
19.100-19.105

*For the on-line homework:

*Do ch 19 (19.1-19.5) tutorial set and homework review problem set.
The due dates were pointed out in a previous e-mail.  Remember there
are also the DSM questions.  Also, there are the practice exercise #1
problems for Ch 19 (which are not for credit).


Dr. Zellmer
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