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IPC ch23&25

test review

colloids size of solute- 1 to 1000, solute particles DO NOT settle, can be seperated with special equipment
suspensions size is greater than 1000 nm, particles settle WITH TIME, CAN be seperated by filtering
solutions size is .01- 1.0 nm, solute particles DO NOT settle, CAN NOT be seperated by filtering
difference between solute and solvent solute dissolves in solvent, while solvent is greatest component of solution
factors that affect the rate of dissolving stirring, temperature, surface area
solubility of gases is affected by change of temp. by... decreasing?
pH levels- 1 to 6 acid
ph level 7 neutral
ph level 8 to 14 bases
Ex. 4- 6 on pH scale= 100 times H+ ions
NaCl -> Na + Nl 1, dissasociation
sugar 4, nonelectrolyte
2 H-lil2-0 <-> H-lil3-0 + OH 2, equilibrium
Na -> Na + E 3, ionization
NaNO3 solubility steepest increase
KNO3 solubility medium increase
NaCl solubility no increase
Created by: lbanana217