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Chemistry Test 12

Mrs. Cribb-- Ellie Kearney

QuestionAnswer
The more concentrate a solution is, the _____ the boiling point elevation will be. greater
Ionic compounds ____into ions in a solution break apart
Covalent Compounds ____ into molecules separate
Exothermic heat is being released
Endothermic heat is being absorbed
Entropy dispersion of matter and energy
Solvent most abundant substance
solute least abundant substance
Miscible "mixable"
Immiscible "not mixable"
Gas can only mix with other ____ gases
To be dissolved in a liquid solution, attractive inter-molecular forces must be _______ overcome
Solvation dissolving solids in liquids; molecules of a solvent surround and separate molecules of a solute
Hydration Solvation in water
Dissociation if a solute is ionic, solvent molecules break up the crystal into ions
Ionization covalent compounds form ions when they dissolve
Diffusion solids and gases mix mostly by this
If it is ionic, it will _____ in a polar solvent. dissolve
Polar dissolves ____ polar
Non-polar dissolves_________ non-polar
Soluble able to be dissolved
Insoluble NOT able to be dissolved
Unsaturated you can add more to a solution
Saturated holding the most solute at that given temperature
Supersaturated holding more solute than the solution is supposed to
Dynamic Equilibrium when forming a salt and dissolving a salt happen at the same rate (you see no net change in the clump at the bottom of the container)
Factors that affect the rate of solution -Temperature -Number of Collisions -Surface Area
Factors that affect solubility -Temperature -Pressure
Concentration measure of the number of solute particles in a certain volume of the solution itself
solvent+ solute = _____ solution
Colligative Property Physical property of a solution that depends ONLY on the # of particles present
Solute particles ____ vapor pressure and ____ the boiling point lower; raise
It take a _____ temperature for the vapor pressure to equal atmospheric pressure. higher
Osmosis process in which a solvent moves across a semipermeable membrane
Osmotic Pressure amount of pressure required to prevent osmosis from occuring
Suspensions mixtures that contain larger particles that eventually settle out
Solutions homogeneous mixtures that DO NOT SEPARATE
Colloids NOT a solution; contain small particles dispersed in a medium
Tyndall effect used to distinguish colloids from solutions
Created by: ellikens