Chem 212 Exam 1 Study Guide questions with
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answers
Which of the following statements is correct?
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a) Rauolt's Law works best when applied to dilute
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solutions
b) Raoult's Law works best when applied to concentrated
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solutions
c) Raoult's Law applies exactly to all solutions
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d) Raoult's Law relates the vapor pressure of the solute
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above the solution to the degree of its dissocation in the
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solution
e) Raoult's Law applies to only non ideal solutions -
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CORRECT ANSWERS ✔✔a |\ |\
,another possible answer is "Raoult's Law applies exactly
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at all concentrations only for ideal solutions."
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A metal with a simple cubic lattice will have ___ atom(s)
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per unit cell - CORRECT ANSWERS ✔✔1
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The band gap between the valence and conduction bands
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of insulators
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a) relatively small
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b) decreases with increasing temperature
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c) is large
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d) is very small to non-existent
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e) increases with increasing temperature - CORRECT
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ANSWERS ✔✔c |\
The boiling point of a liqud depends on
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a) the value of the gas constant, R
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b) the external pressure
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c) the amount of the liqud
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d) its heat capacity
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e) the external temperature - CORRECT ANSWERS ✔✔b
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, What is the coordination number for a metal that
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crystalizes in the face-centered cubic lattice - CORRECT
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ANSWERS ✔✔12 |\
Which of the following statements is correct?
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a) the molarity of a saturated solution is equal to the
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molar solubility of the solute
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b) saturated solutions can dissolve more solute
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c) gases typically form unsaturated solutions because of
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their low solubility
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d) all of these statements are correct
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e) none are correct - CORRECT ANSWERS ✔✔a
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the rising of liquids in narrow tubes against the force of
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gravity is called |\ |\
a) surface tension
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answers
Which of the following statements is correct?
|\ |\ |\ |\ |\ |\
a) Rauolt's Law works best when applied to dilute
|\ |\ |\ |\ |\ |\ |\ |\ |\
solutions
b) Raoult's Law works best when applied to concentrated
|\ |\ |\ |\ |\ |\ |\ |\ |\
solutions
c) Raoult's Law applies exactly to all solutions
|\ |\ |\ |\ |\ |\ |\
d) Raoult's Law relates the vapor pressure of the solute
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
above the solution to the degree of its dissocation in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
solution
e) Raoult's Law applies to only non ideal solutions -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔a |\ |\
,another possible answer is "Raoult's Law applies exactly
|\ |\ |\ |\ |\ |\ |\ |\
at all concentrations only for ideal solutions."
|\ |\ |\ |\ |\ |\
A metal with a simple cubic lattice will have ___ atom(s)
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
per unit cell - CORRECT ANSWERS ✔✔1
|\ |\ |\ |\ |\ |\
The band gap between the valence and conduction bands
|\ |\ |\ |\ |\ |\ |\ |\
of insulators
|\ |\ |\
a) relatively small
|\ |\
b) decreases with increasing temperature
|\ |\ |\ |\ |\
c) is large
|\ |\
d) is very small to non-existent
|\ |\ |\ |\ |\ |\
e) increases with increasing temperature - CORRECT
|\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔c |\
The boiling point of a liqud depends on
|\ |\ |\ |\ |\ |\ |\
a) the value of the gas constant, R
|\ |\ |\ |\ |\ |\ |\
b) the external pressure
|\ |\ |\
c) the amount of the liqud
|\ |\ |\ |\ |\
d) its heat capacity
|\ |\ |\
e) the external temperature - CORRECT ANSWERS ✔✔b
|\ |\ |\ |\ |\ |\ |\
, What is the coordination number for a metal that
|\ |\ |\ |\ |\ |\ |\ |\ |\
crystalizes in the face-centered cubic lattice - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔12 |\
Which of the following statements is correct?
|\ |\ |\ |\ |\ |\
a) the molarity of a saturated solution is equal to the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
molar solubility of the solute
|\ |\ |\ |\
b) saturated solutions can dissolve more solute
|\ |\ |\ |\ |\ |\
c) gases typically form unsaturated solutions because of
|\ |\ |\ |\ |\ |\ |\ |\
their low solubility
|\ |\
d) all of these statements are correct
|\ |\ |\ |\ |\ |\
e) none are correct - CORRECT ANSWERS ✔✔a
|\ |\ |\ |\ |\ |\ |\
the rising of liquids in narrow tubes against the force of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
gravity is called |\ |\
a) surface tension
|\ |\
