General Chemistry at Penn State
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EXPECTED BACKGROUND (Prerequisite: CHEM. 110):
Each Chemistry 112 student is expected to have had the general content of Chemistry 110 or its equivalent. You are responsible for this material and your understanding of it will be assumed in the lectures, homework, and exams.
Essential Background Material for Chem 112
| Topic | Textbook Exercises1 | Needed in Chem 112 when studying |
| 1. Mole concept, Mole/gram conversions; reactions | 3.27,31,33,35 | Ch. 16-17 |
|
2.
Equilibrium principles Meaning of Keq Distinction between Keq and the mass action expression (reaction quotient) LeChatelier's Principle Simple calculations using Keq |
15.13-16,27-28,38-41 | Ch. 16-17 |
|
3.
Solution concentrations- molarity Definitions of strong and weak electrolytes Definition of saturated solution |
4.15,16,61,62,63,65 | Ch. 16-17 |
| 4. Definitions of oxidation- reduction | 4.49-51 | Ch. 20 |
|
5.
Meaning of enthalpy;
DH |
5.37-39 | Ch. 19 |
|
6. Lewis formulae;
Shapes of molecules |
8.45,46,49,50,51,60,62 9.21,22,49,50 |
Descriptive Chemistry |
1. These are exercises from the 10th edition of Chemistry: The Central Science. The useful exercises in the 9th edition are not necessarily the same.
Periodic Table
Chem 112 Course Web pages