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Unit 10- Solutions Test Review
Terms in this set (33)
T/F A solution is a mixture containing particles that settle out of the mixture if left undisturbed.
T/F The most abundant substance in a colloid is the dispersion medium.
A colloid can be separated by filtration.
T/F A solid emulsion consists of a liquid dispersed in a solid.
T/F Whipped cream is an example of foam.
t/F In an aerosol, the dispersing medium is a liquid.
False (The dispersing medium would be a gas)
T/F Brownian motion results from the collisions of particles of the dispersion medium with the dispersed particles.
T/F Dispersed particles in a colloid do not tend to settle out because they have polar or charged atomic groups on their surfaces.
T/F Stirring an electrolyte into a colloid stabilizes the colloid.
False (The dispersed particles would clump together, destroying the colloid)
T/ F Colloids demonstrate the Tyndall Effect.
Colloids can scatter _______________.
Colloids are between ___ nm and ______ nm in diamter
_________________ can pass through standard filter paper.
standard filter paper
Solutions are less than ____ nm in diameter.
Solutions can pass through _______________ ______________ ______________.
standard filter paper
Solutions ______________ vapor pressure.
Suspensions are more than _________ nm in diameter.
Suspensions can scatter ____________.
What will suspensions do if they are left undisturbed?
How does molality differ from molarity?
Molality is the measure of the number of moles of solute dissolved 1 kg of solvent. Molarity is the measure of the number of moles dissolved in 1 L of solution.
Air is a _______________ of oxygen gas dissolved in nitrogen gas.
What is oxygen in the air and what is the nitrogen?
Oxygen gas dissolves in a solvent therefore it is ___________________.
What are the most common types of solutions?
If one liquid is soluble in another liquid, such as acetic acid in water, the two liquids are _____________________.
What is it called when one liquid is insoluble in another?
Solvation is the process of surround _______________ particles with ________________ particles to form a solution.
The overall energy change that occurs when a solution forms is called the ______________________________________________.
heat of the solution
Solubility is a measure of the ____________________ amount of solute that dissolves in a given amount of solvent at a specified temperature and pressure.
T/F Solvation continues as along as the solvation rate is less than the crystallization rate.
In a saturated solution, solvation and crystallization are in _____________________.
Additional solute can be dissolved in an ______________________ solution.
The solubility of a gas dissolved in a liquid ___________________ as the temperature of the solution increases.
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