(quick links to all 4 parts)
Ch. 12 and 13 Practice Test (Solutions and Rates of Reaction)
Chapter 14-16 Practice Test (Part 2: Chemical Equilibrium, Acids and Bases, and Acid-Base Equilibria)
Chapter 17 and 18 Practice Test (Part 3: Solubility and Complex-Ion Equilibria, and Thermodynamics and Equilibrium)
Chapters 19, 20, and 23 Practice Test (Part 4: Electrochemistry, Nuclear Chemistry, and Organic Chemistry)
Chapters 19, 20, and 23 Practice Test
(Part 4: Electrochemistry, Nuclear Chemistry, and Organic Chemistry)
Nuclear Chemistry
1. What is the A,X,Z of an atom? A = Mass Number, X = Element, Z = Protons (Atomic #)
2. What are the 5 types of spontaneous radioactive decay?
Name & Sym | Particle | Formula | Z# | A# | Reason |
Alpha α | 42He | - | -2 | -4 | Z > 83 |
Beta β- | 0-1e | 10n --> 11p + 0-1e | +1 | 0 | N/Z too large |
Positron β+ | 0+1e | 11p --> 10n + 0+1e | -1 | 0 | N/Z too small |
Electron Cap. (EC) | X rays | 11p + 0-1e --> 10n | -1 | 0 | N/Z too small |
Gamma γ | 00 γ | - | 0 | 0 | Excited |
3. What is the highest non-radioactive atomic number? - 83
4. What are the magic numbers of stability?
a. For Protons? 2, 8, 20 , 28, 50, 82
b. For Neutrons? 2, 8, 20, 28, 50, 82, 126 (maybe 114)
c. What is the general guideline for stability? - Even #’s more stable than odd #’s.
5. What is a Curie (definition and constant)? Nuclear disintegrations per unit time occurring in a radioactive material. Ci = 3.7 x 1010
6. What is the formula for finding Half-Life? T1/2 = 0.693
k
7. What is the formula for finding the Rate of Decay? Rate = kNt
Organic Chemistry
1. What are the three basic types of Hydrocarbons?
a. How reactive are they?
b. What types of reactions are they typically capable of?
| Saturated | Not very reactive | Combustion w/Oxy or Halo |
| Unsaturated | Very reactive | Addition Reaction, Combustion |
| Aromatic | Not very reactive | Replacement Reactions |
2. What are the families of each of the three basic types of Hydrocarbons?
a. What group(s) of carbon families does each include?
b. What type of electron bond(s) exists for each family?
c. What is the general formula for each family?
| Saturated | Alkanes | C-C chains | CnH(2n+2) |
| Saturated | Cycloalkanes | C-C rings | CnH(2n) |
| Unsaturated | Alkene | C=C chain | CnH(2n) |
| Unsaturated | Alkyne | C≡C chain | CnH(2n-2) |
| Aromatic | Benzene | C-C/C=C rings | C6H6 |
3. What are the first ten alkanes?
a. CH4 methane
b. C2H6 ethane
c. C3H8 propane
d. C4H10 butane
e. C5H12 pentane
f. C6H14 hexane
g. C7H16 heptane
h. C8H18 octane
i. C9H20 nonane
j. C10H22 decane
4. What are the first four alcohols and their chemical formulas?
a. CH3OH Methanol
b. CH3CH2OH Ethanol
c. CH3CH2CH2OH Propanol
d. CH3CH2CH2CH2OH Butanol
5. What is the difference between a primary, secondary, and tertiary alcohol?
a. Primary has one Carbon group attached to the carbon attached to the OH group.
i. eg. C-C-C-OH
b. Secondary has two Carbon groups attached to the carbon attached to the OH group.
c. Tertiary has three.
6. Name the following compounds:
7. What is an Aldehyde (and its suffix)? Suffix = “al”
a. What is its R-group positioning?
b. What is its molecular tail? -CHO
c. Draw Formaldehyde (methanal)
8. What is a Ketone (and its suffix)? Suffix = “one”
a. What is its R-group positioning?
b. What is its molecular tail? =O
c. Draw acetone (propone)
9. What would happen if litmus paper were dipped into an Amine?
a. It would turn red litmus paper blue.
the end
No comments:
Post a Comment