CHM1045
Fall 2000
Dr. Michael Blaber
Exam #1 Study Guide
Friday September 29 2000
1. General Information:
The exam is worth 100 points and covers chapters 1-4 of your text. There will be 12 questions. The number of points per question is as follows:
|
Question |
Number of points |
|
1 |
8 |
|
2 |
8 |
|
3 |
8 |
|
4 |
8 |
|
5 |
8 |
|
6 |
8 |
|
7 |
8 |
|
8 |
12 |
|
9 |
6 |
|
10 |
8 |
|
11 |
10 |
|
12 |
8 |
2. What to study
You are responsible for all material covered in chapters 1-4, as well as information covered in the lectures. Please pay special attention to the following:
- Understand the difference between pure substances, homogenous and heterogenous mixtures
- Know how to write and interpret chemical symbols for elements and ions
- Be able to write correct chemical formulas for ionic compounds of metals and nonmetals
- You are responsible for the nomenclature of polyatomic ions (pp. 55 and 56 of your text) and common acids and their salts (p 60)
- Know how to name and draw organic compounds and their functional groups (covered in chapter 2 of your text)
- Understand how to perform mass percent calculations of polyatomic compopunds
- Understand how to balance combustion reactions
- Be able to determine reaction stoichiometry, and conversions between atomic masses, molar masses and grams
- Understand calculations involving molarities of aqueous solutions
- Be able to predict solubilities of compounds based upon the general solubility rules in your text (p 149)
- Understand the difference between molecular equations and net ionic equations
- Be able to assign oxidation numbers to atoms in polyatomic ions based upon the general rules given in your text (p 154)