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29 Cards in this Set
- Front
- Back
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a process that occurs when an ionic solute dissolves |
solvation |
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solution that conducts electricity poorly because only a fraction of solute exists as ions |
weak electrolyte |
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water that contains dissolved solvent |
aqueous solution |
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dissolving medium in a solution |
solvent |
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compound that conducts an electric current when it is in an aqueous solution/in molten state |
electrolyte |
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mixture whose particles are intermediate in size between those of a suspension and solute solution |
colloid |
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any substance that interferes with hydrogen bonding between water molecules and thereby reduces surface tension |
surfactant |
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at a given temperature solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid |
Henry's Law |
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describes liquids that are insoluble in one another |
immiscible |
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a solution containing the maximum amount of solute for a given amount of solvent at constant temperature and pressure |
saturated solution |
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solution containing more solute than can theoretically dissolved at a given temperature |
supersaturated solution |
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a measurement of the amount of solute that is dissolved in a given quantity of solvent |
concentration |
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How does the surface tension of water compare with the surface tension of most other liquids |
its higher |
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Surface tension _________. |
is the inward force which tends to minimize the surface area of a liquid |
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What type of compound is always an electrolyte |
ionic |
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an electric current can be conducted by _______. |
a salt solution |
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which of the following mixture types is characterized by the setting of particles |
suspension |
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an emulsion is a colloidal dispersion of a _______. |
liquid to liquid |
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what causes water's low vapor pressure |
hydrogen bonding |
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in a concentrated solution there is ________. |
a large amount of solute |
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What is the molarity of a solution that contains 6 moles of solute in 2 liters of solution |
3M |
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what is the molarity of 200mL of solution in which 2.0 moles of sodium broad is dissolved |
10M |
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what does NOT change when a solution is diluted by the addition of solvent |
the number of moles of solutes |
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in which of the following is concentration expressed in percent by volume |
10mL solute -------------------------- x 100 100mL of solution (C/V) |
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if the percent (mass/mass) for a solute is 4% and the mass of the solution is 200g, what is the mass of the solute in solution |
8.0g |
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colligative properties depend upon the _______. |
number of solute particles in the solution |
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a solute depresses the freezing point because the solute ________. |
disrupting crystals formation of the solvent |
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to which of the variables changed in boiling point is directly proportional |
molarity of solution (boiling point up, other up) |
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at what temperature does liquid water have its maximum density |
4 'C |
