Unit 7: Solutions
insoluble
(of a substance) not easily dissolved
homogenous mixture
-a mixture in which the composition is uniform throughout, -Mixture that is the same throughout -a mixture that has substances that has substances that cannont be distingyused from one another -solutions
concentrated solution
-high concentration of solute particles -close to saturated -large # of solute particles in a given amount of solvent
dilute solution
-low concentration -small # of solute particles in a given amount of solvent
properties of solutions
1)uniform distribution of particles 2)won't settle out 3)transparent 4)can't be filtered out(small particle size)
supersaturated solution
Contains more dissolved solute than a saturated solution at the same temperature
solution
a homogeneous mixture of two or more substances. - in a solution solvent particles are: -very small -evenly distributed -will not separate/cannot be separated by filtering
solvent
a liquid substance capable of dissolving other substances. dissolving medium in a solution.
colloid
a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas
heterogenous mixture
a mixture in which the composition is not uniform throughout, A mixture with uneven distribution of different substances, solids, liquids, gases.
homogenous mixture
a mixture in which the composition is uniform throughout (appears the same throughout)
solvated
a solute particle that is surrounded by solvent molecules
saturated solution
a solution in which no more solute can dissolve
unsaturated solution
a solution that contains less solute than a saturated solution does and that is able to dissolve additional solute
Aqueous solution
a solution where the solvent is water
endothermic
energy absorbed; cold
soluble
homogeneous mixture of two or more substances in a single phase.
solution formation
if the attraction of water to a salt is greater than the force of ion-ion attractions (called lattice energy), the salt will dissolve
mixture
material composed of two or more elements or compounds that are physically mixed together but not chemically combined
suspension
particles in a solvent are so large that they settle out, unless the mixture is constanstly stirred, or agigated., heterogeneous mixture containing a liquid in which visible particles settle
exothermic
releases energy, gives off heat
solute
substance that is dissolved in a solvent to make a solution
solubility
the ability of one substance to dissolve in another at a given temperature and pressure
concentration
the mass of solute in a given volume of solution, or mass/volume, the strength of a solution, strengthening the concentration (as of a solute in a mixture) by removing extraneous material
hydration
the process in which an ion is surrounded by water molecules arranged in a specific manner
boiling point
the temperature at which a substance changes from a liquid to a gas
freezing point
the temperature below which a liquid turns into a solid
dilution
weakening (reducing the concentration) by the addition of water or a thinner -adding more solvent