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Mixtures and Solutions
Terms in this set (18)
What does concentration mean?
It is the amount of solute dissolved in a solvent.
What is the difference between concentrated and dilute?
A concentrated solution has a larger amount of solute than a dilute solution.
What does solute mean?
Solute is the substance that dissolves into a solvent to form a solution. i.e. salt, sugar
What is solvent?
solvent is the substance that does the "dissolving" of the solute. i.e. water
What is a suspension?
A mixture with large particles and will separate into layers.
Does a suspension separate into layers?
Yes, if a suspension is not mixed, after awhile the particles will settle and layers will be formed.
What is the difference between unsaturated? saturated and supersaturated solutions?
Unsaturated solutions still have room for more solute to be dissolved in them, a saturated solution is holding the maximum amount of solute. A supersaturated solution is holding beyond its maximum.
What is the difference between insoluble and soluble?
an insoluble substance CANNOT dissolve and soluble substance can.
What does dissolving mean?
Dissolving is to be so evenly mixed that a solute seems to disappear into a solvent.
What is an alloy?
A solution of metals i.e. brass, steel are alloys
GO BACK TO THE SOLUBILITY GRAPHS AND PRACTICE. Cover up the answers and quiz yourself. Make sure you know how to do these.
Did you practice with the solubility graphs? This is about 1/2 the test!
What does solubility mean?
Solubility is the ability to dissolve
What happens to the solubility of solids as the temperature increases?
The solubility increases with the temperature. So, the higher the temperature, the more of a solid will dissolve.
What happens to the solubility of gases as the temperature increases?
The solubility of gases decreases with temperature. So, the higher the temperature, the more gas will come out of solution.
What is the rate of dissolving?
The rate of dissolving is the speed at which a solute dissolves.
What are ways to increase the rate of dissolving?
1) increase the temperature 2) decrease the particles size (crush it, break it up) 3) increase stirring
Describe the process of chromatography
Chromatography is the separation of a mixture of colors.
How can you make a gas separate from a solvent?
Warm it up so the gas rises and comes out of the solution
THIS SET IS OFTEN IN FOLDERS WITH...
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