solutions xxxxx;-;-;-; Flashcards by Andrei Guina | Brainscape

Q

homogenous mixture made up of atoms, ions, or molecules

A

solutions

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Q

dissolved medium

A

solute

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Q

dissolving medium

A

solvent

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Q

two phases of solutions

A

solute, solvent

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Q

solutions in which water is the solvent

A

aqueous solutions

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Q

some properties of solutions

A

-concentration can be changed
-particles are evenly distributed
-aqueous solutions are transparent
-components do not chemically react with each other

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Q

types of solutions

A

concentrated, dilute

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Q

lots of solute in a small amount of solvent

A

concentrated

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Q

small amount of solute in a large amount of solvent

A

dilute

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Q

formation of solutions

A

ionic, polar, nonpolar

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Q

amount of solute that can dissolve in a given amount of solvent at a specified temperature to produce a saturated solution

A

solubility

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Q

more solute dissolves

A

unsaturated solution

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Q

no more solute dissolves

A

saturated solution

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Q

becomes unstable, crystals form

A

supersaturated solution

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Q

the minimum amount of solute present in a given amount of solvent at room temperature

A

unsaturated solutio

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Q

the maximum amount of solute that can dissolve in a given amount of solvent at room temperature

A

saturated solution

Q

the maximum amount of solute present in a given amount of solvent at an elevated temperature

A

supersaturated solution

Q

types of solutes according to the amount of solute that dissolved in a given amount of solvent

A

insoluble, slightly soluble, soluble

Q

less than or equal to 0.1g of solute

A

insoluble

Q

greater than 0.1g but less than 10.0g

A

slightly soluble

Q

greater than or equal to 10.0g

A

soluble

Q

factors affecting solubility

A

effect of temperature, effect of pressure, surface area, stirring

Q

solubility increases with a decrease in temperature, and decreases with an increase in temperature

A

gas in liquid

Q

solubility increases with an increase in temperature

A

endothermic reactions

Q

Solubility decreases with an increase in temperature

A

exothermic reactions

Q

as pressure increases, the solubility of gas in liquid increases; solubility of solids in liquids is not affected

A

effect of pressure

Q

the greater the surface area, the greater the interaction between solute and solvent

A

surface area

Q

increases solubility of solids in liquids

A

stirring

Q

ways of expressing concentration

A

mass percent, volume percent, mole fraction, density, molarity, molality