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Chemistry Ch 15 & 16 Study Guide

100 Questions  I  By Chemmy81
Chemistry Ch 15 & 16 Study Guide

  
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1.  Interferes with hydrogen bonding between water molecules
A.
B.
C.
D.
E.
F.
G.
2.  Dissolving medium
A.
B.
C.
D.
E.
F.
G.
3.  Homogeneous mixture of water and dissolved substances
A.
B.
C.
D.
E.
F.
G.
4.  Solute ions or molecules are surrounded by solvent molecules
A.
B.
C.
D.
E.
F.
G.
5.  Compound that will conduct current in the liquid state or in aqueous solution
A.
B.
C.
D.
E.
F.
G.
6.  Compound that ionizes incompletely in aqueous solution
A.
B.
C.
D.
E.
F.
G.
7.  Mixture in which particle size averages between 1 nm and 1000 nm
A.
B.
C.
D.
E.
F.
G.
8.  Inward force tending to minimize surface area of a liquid
A.
B.
C.
D.
E.
F.
G.
H.
9.  Dissolved particle
A.
B.
C.
D.
E.
F.
G.
H.
10.  Mixture in which particle size averages greater than 1000 nm in diameter
A.
B.
C.
D.
E.
F.
G.
H.
11.  Colloidal particles spread throughout a suspension
A.
B.
C.
D.
E.
F.
G.
H.
12.  Phenomenon observed when beam of light passes through a colloid
A.
B.
C.
D.
E.
F.
G.
H.
13.  Chaotic movement of colloidal particles
A.
B.
C.
D.
E.
F.
G.
H.
14.  Colloid of a liquid in a liquid
A.
B.
C.
D.
E.
F.
G.
H.
15.  Describes liquids that are insoluble in one another
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B.
C.
D.
E.
16.  Solution containing maximum amount of solute
A.
B.
C.
D.
E.
17.  Solution containing more solute than can theoretically dissolve at a given temperature
A.
B.
C.
D.
E.
18.  At a given temperature, the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid.
A.
B.
C.
D.
E.
19.  Measure of the amount of solute dissolved in a specified quantity of solvent
A.
B.
C.
D.
E.
20.  Number of moles of solute dissolved in 1L of solution
A.
B.
C.
D.
E.
21.  A colligative property related to the fact that ice will form at higher temperatures in the Great Lakes than in the ocean
A.
B.
C.
D.
E.
22.  A colligative property related to a decrease in the vapor pressure of a solution
A.
B.
C.
D.
E.
23.  Number of moles of solute dissolved in 1 kg of solvent
A.
B.
C.
D.
E.
24.  Ratio of moles of solute in solution to total number of moles of both solvent and solute
A.
B.
C.
D.
E.
25.  How does the surface tension of water compare with the surface tensions of most other liquids?
A.
B.
C.
D.
26.  What causes water's low vapor pressure?
A.
B.
C.
D.
27.  What is the shape of the water molecule?
A.
B.
C.
D.
28.  Which of the following is primarily responsible for holding water molecules together in the liquid state?
A.
B.
C.
D.
29.  Which atom in a water molecule has the greatest electronegativity?
A.
B.
C.
D.
30.  The bonds between adjacent water molecules are called _________________________.
A.
B.
C.
D.
31.  What is primarily responsible for the surface tension of water?
A.
B.
C.
D.
32.  Which of the following is NOT a result of surface tension in water?
A.
B.
C.
D.
33.  Surface tension _________________________.
A.
B.
C.
D.
34.  The bonds between the hydrogen and oxygen atoms in a water molecule are _____________________.
A.
B.
C.
D.
35.  The fact that ice is less dense than water is related to the fact that __________________________.
A.
B.
C.
D.
36.  Which is responsible for the high thermal energy required to melt ice?
A.
B.
C.
D.
37.  What is the term for the dissolving medium in a solution?
A.
B.
C.
D.
38.  A solution has which of the following properties?
A.
B.
C.
D.
39.  Which of the following substances is the most soluble in water?
A.
B.
C.
D.
40.  What occurs in solvation?
A.
B.
C.
D.
41.  Which of the following substances dissolves most readily in gasoline?
A.
B.
C.
D.
42.  A solution is a mixture ________________________.
A.
B.
C.
D.
43.  Predict which one of the following compounds would be insoluble in water.
A.
B.
C.
D.
44.  Why are two nonpolar substances able to dissolve in each other?
A.
B.
C.
D.
45.  Which of these would you expect to be soluble in the nonpolar solvent carbon disulfide,CS2?
A.
B.
C.
D.
46.  Whic of the following substances dissolves most readily in water?
A.
B.
C.
D.
47.  What type of compound is always an electrolyte?
A.
B.
C.
D.
48.  An electric current can be conducted by ______________________.
A.
B.
C.
D.
49.  Which of the following compounds conducts electricity only in the molten state?
A.
B.
C.
D.
50.  Which of the following occurs as temperature increases?
A.
B.
C.
D.
51.  Which of the following compounds is a nonelectrolyte?
A.
B.
C.
D.
52.  Which of the following compounds is an electrolyte?
A.
B.
C.
D.
53.  Which of the following compounds is a nonelectrolyte when pure, but an electrolyte when dissolved in water?
A.
B.
C.
D.
54.  Which of the following are weak electrolytes in water?
A.
B.
C.
D.
55.  Which of the following compounds is a weak electrolyte?
A.
B.
C.
D.
56.  Which of the following compounds is a strong electrolyte?
A.
B.
C.
D.
57.  Which of the following substances is NOT an electrolyte?
A.
B.
C.
D.
58.  Which of the following mixture types is characterized by the settling of particles?
A.
B.
C.
D.
59.  Which of the following mixture types can be filtered to remove solute?
A.
B.
C.
D.
60.  Which of the following materials is NOT a colloid?
A.
B.
C.
D.
61.  Which of the following mixtures is NOT a colloid?
A.
B.
C.
D.
62.  An emulsion is which type of mixture?
A.
B.
C.
D.
63.  The solute in a colloidal suspension is called the ____________________.
A.
B.
C.
D.
64.  Which of the following types of mixtures exhibit the Tyndall effect?
A.
B.
C.
D.
65.  Which of these statements is correct?
A.
B.
C.
D.
66.  An emulsion is a colloidal dispersion of a __________________.
A.
B.
C.
D.
67.  An emulsifying agent is typically characterized by having ___________________.
A.
B.
C.
D.
68.  Which og the following usually makes a substance dissolve faster in a solvent?
A.
B.
C.
D.
69.  What is the maximum amount of KCl that can dissolve in 200g of water? (The solubility of KCl is 34g/100g H2O at 20 C)
A.
B.
C.
D.
70.  What is the solubility of silver nitrate if only 11.1g can dissolve in 5.0 g of water at 20 C?
A.
B.
C.
D.
71.  Which of the following expressions is generally used for solubility?
A.
B.
C.
D.
72.  Which of the following pairs of factors affects the solubility of a particular substance?
A.
B.
C.
D.
73.  If a crystal added to an aqueous solution causes many particles to come out of the solution, the original solution was _______________.
A.
B.
C.
D.
74.  Which of the following substances is less soluble in hot water than in cold water?
A.
B.
C.
D.
75.  The solubility of a gas in a liquid is ________________________.
A.
B.
C.
D.
76.  If the solubility of a particular solute is 10g/100g H2O at 20 C, which of the following solution concentrations would represent a supersaturated aqueous solution of that solute?
A.
B.
C.
D.
77.  What happens to the solubility of a gas, in a liquid, if the partial pressure of the gas above the liquid decreases?
A.
B.
C.
D.
78.  To increase the solubility of gas at constant temperature from 1.20 g/L, at 1.4 atm, to 2.3 g/L, the pressure would have to be increased to _________________.
A.
B.
C.
D.
79.  If the solubility of a gas in water is 4.0 g/L when the pressure of the gas above the water is 3.0 atm, what is the pressure of the gas above the water when the solubility of the gas is 1.0 g/L?
A.
B.
C.
D.
80.  In a concentrated solution there is ______________________.
A.
B.
C.
D.
81.  In which of the following is the solution concentration expressed in terms of molarity?
A.
B.
C.
D.
82.  Which of the following operations yields the number of moles of solute?
A.
B.
C.
D.
83.  What is the molarity of a solution containing 7.0 moles of solute in 569 mL of solution?
A.
B.
C.
D.
84.  What is the molarity of 200 mL of solution in which 2.0 moles of sodium bromide is dissolved?
A.
B.
C.
D.
85.  What is the number of moles of solute in 250 mL of a 4.0 M solution?
A.
B.
C.
D.
86.  What is the molarity of a solution containing 56 grams of solute in 959 mL of solution? (molar mass of solute = 26 g/mol)
A.
B.
C.
D.
87.  What mass of sucrose, C12H22O11, is needed to make 500.0 mL of a 0.200 M solution?
A.
B.
C.
D.
88.  What mass of Na2SO4 is needed to make 2.5 L of 2.0 M solution? (Na = 23g; S = 32g; O-16g)
A.
B.
C.
D.
89.  What does NOT change when a solution is diluted by the addition of solvent?
A.
B.
C.
D.
90.  Ow many mL of a 2.0M NaBr solution are needed to make 200.0 mL of 0.50M NaBr?
A.
B.
C.
D.
91.  The volume of 6.00M HCl needed to make 319 mL of 6.80M HCl is _________________.
A.
B.
C.
D.
92.  If 2.0 mL of 6.0M HCl is used to make a 500.0 mL aqueous solution, what is the molarity of the dilute solution?
A.
B.
C.
D.
93.  To 225 mL of a 0.80M solution of KI, a student adds enough water to make 1.0 L of a more dilute KI solution. What is the molarity of the new solution?
A.
B.
C.
D.
94.  If the percent by volume is 2.0% and the volume of solution is 250 mL, what is the volume of solute in solution?
A.
B.
C.
D.
95.  In which of the following is concentration expressed in percent by volume?
A.
B.
C.
D.
96.  If the percent (mass/mass) for a solute is 4% and the mass of the solution is 200g, what is the mass of solute in solution?
A.
B.
C.
D.
97.  The volume of alcohol present in 620 mL of a 40% (v/v) solution of alcohol is _________________.
A.
B.
C.
D.
98.  How many milliliters of alcohol are in 167 mL of an 85.0% (v/v) alcohol solution?
A.
B.
C.
D.
99.  In which of the following is concentration expressed in percent by volume?
A.
B.
C.
D.
100.  Which of the following is NOT a colligative property of a solution?
A.
B.
C.
D.
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