Chem 212 Exam 1 Study Guide questions with precise ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
detailed answers ||\\//||
Which of the following statements is correct?
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a) Rauolt's Law works best when applied to dilute solutions
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b) Raoult's Law works best when applied to concentrated solutions
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c) Raoult's Law applies exactly to all solutions
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d) Raoult's Law relates the vapor pressure of the solute above the solution to the degree of
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its dissocation in the solution
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e) Raoult's Law applies to only non ideal solutions - correct answer✔✔a
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another possible answer is "Raoult's Law applies exactly at all concentrations only for ideal
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solutions."
A metal with a simple cubic lattice will have ___ atom(s) per unit cell - correct answer✔✔1
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The band gap between the valence and conduction bands 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 answer✔✔c
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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 answer✔✔b
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What is the coordination number for a metal that crystalizes in the face-centered cubic
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lattice - correct answer✔✔12 ||\\//|| ||\\//|| ||\\//||
Which of the following statements is correct? ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) the molarity of a saturated solution is equal to the 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 their low solubility
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d) all of these statements are correct
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detailed 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
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e) Raoult's Law applies to only non ideal solutions - correct answer✔✔a
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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 answer✔✔1
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The band gap between the valence and conduction bands 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 answer✔✔c
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The boiling point of a liqud depends on
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
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 answer✔✔b
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What is the coordination number for a metal that crystalizes in the face-centered cubic
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lattice - correct answer✔✔12 ||\\//|| ||\\//|| ||\\//||
Which of the following statements is correct? ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) the molarity of a saturated solution is equal to the 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 their low solubility
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d) all of these statements are correct
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