Flashcards in chapter8 Deck (27):
homogeneous mixture made of solute and solvent
In an OH- bond, which has partial negative charge, and which has partial positive charge?
partial negative- oxygen
what type of solution does hydration occur in?
process that diminishes attractions between positive and negative ions and keeps them in solution
when solute and solvent forms a solution, energy is___
seperate into ions and conduct electricity when dissolved in water
dissolve as molecules, don't conduct electricity
process of solutes dissolving to produce ions
what happens if more ions form?
dissolve in water mostly as molecules and a few ions
poor electrical conduction
as more ions form,they recombine
dissolve in water as molecules
amount of each individual ion that is equal to 1 mole of positive/negative charge
amount of solute that can dissolve in a given amount of solvent
what is solubility expressed in?
grams of solute in 100 grams of solvent @ given temperature
solute is readily dissolved in solvent (solution doesn't have max solute)
solution that has max solute it can dissolve
what will happen to the solutes in a saturated solution?
solute recrystallizes and dissolves
as temp goes up, what happens to the solubility of liquids?
when a saturated solution cools, what is the solution called?
super saturated solution
as temp goes up, what happens to the solubility of gases?
solubility of gas decreases
solubility of gas in liquid is directly related to pressure of gas above liquid
ionic compounds that dissolve in wate
rules of soluble salts:
Cl-,Br-,I- UNLESS combined w/ Ag+, Pb+,Hg2(2+)
SO4(2-) UNLESS contains Ba2+,Pb2+,Ca2+,Sr2+,CO3(2-),S2-, PO4(3-), OH-
ionic compounds taht don't dissolve in water
when do precipitates form?
when 2 ionic compounds are mixed