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Which of the following pairs of substances are miscible? a. water and ethanol b. water and oxygen c. water and sodium chloride d. water and gasoline |
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Holding the temperature constant while adding more solute to a solution that already has solute crystals at the bottom of the container causes ______. |
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Definition
more solute crystals to appear at the bottom of the container |
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If the pressure of a gas above a liquid is increased (at constant temperature), the solubility of the gas in the liquid ____. |
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How does solubility generally vary as the temperature increases? |
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A dilute solution is one in which there is a ___ amount of solute in a _____ amount of solvent. |
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If a crystal added to an aqueous solution causes many particles to come out of solution, the original solution was ____. |
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Increasing the temperature of a solution will generally ____ and ______. |
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Definition
Increase the rate at which a solute dissolves and increase the amount of solute that dissolves |
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In a concentrated solution there is _____. |
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What DOES NOT change when a solution is diluted by the addition of solvent? |
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Definition
number of moles in solution |
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Which of the following is NOT a colligative property of a solution? a. its molarity decreases b. supersaturation c. vapor pressure lowering d. freezing point depression |
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Colligative properties depend upon_____. |
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the number of particles dissolved in a given mass of solvent. |
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Why does solute depress the freezing point? |
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Definition
because the solute dirupts crystal formation by the solvent. |
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