CHEM 102 Winter 07 Final Exam Questions and Answers,100% CORRECT
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Course
CHEM 102
Institution
CHEM 102
CHEM 102 Winter 07 Final Exam Questions and Answers
Potentially useful information:
x
pH pKa
2 a
log base
acid
ΔG° = ΔH° - T ΔS° ΔG = ΔG° + RT ln Q
E E R T ln Q
n F
R = 8.314 J mol-1 K-1
F = 96480 C/mol e-
1. Volatility of a ...
1. Volatility of a liquid increases as temperature increases because
a. the molecules of the liquid decompose into lighter molecules.
b. an equilibrium between liquid and vapor is established.
c. the number of molecules with enough kinetic energy to escape from the liquid
increases.
d. London forces increase as temperature increases.
ANSWER: c
2. Which group includes only exothermic processes?
a. freezing, vaporization, deposition
b. freezing, condensation, deposition
c. melting, condensation, deposition
d. melting, evaporation,
sublimation ANSWER: b
3. The temperature at point a is the
This study source was downloaded by 100000802531269 from CourseHero.com on 02-24-2023 16:00:46 GMT -06:00
, 7. Polyamides can be produced from
a. two monomers, one containing two amino groups, the other containing two
carboxylic acid groups.
b. one monomer, containing one amino and one carboxylic acid group.
c. one monomer, containing two amide groups.
d. either a or b above.
ANSWER: d
8. Which statement about a reaction rate is correct?
a. Its units vary depending on the order.
b. Its value generally decreases as temperature increases.
This study source was downloaded by 100000802531269 from CourseHero.com on 02-24-2023 16:00:46 GMT -06:00
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