Chem 121 Final Exam!

titrations {Ans: used to find the molarity of solutions, find the moles of solute by reaction with a known amount}frequency {Ans: (nu), number of waves passing per unit of time (units: Hertz)}energy {Ans: = q + w (heat + work)}naming ionic compounds {Ans: name the metal, if the metal has an uncommon charge, indicate the charge with roman numerals, change nonmetal suffix to "ide", if polyatomic ion just name them}electron affinity {Ans: amount of energy released when a free, gas phase atom gains an electron}polar covalent bond {Ans: if two atoms of different electronegativity share electrons, this results}properties of non metals {Ans: poor conductors of heat and electricity, not ductile, not malleable, gain electrons in chemical change}photoelectric effect {Ans: light as particles (photons)}increases {Ans: In dilution, the number of moles does not change, but the volume what?}22.4 L {Ans: when gases are at STP, 1 mol gas = ?}resonance structures {Ans: lewis structures that differ only in the placement of electrons are called what?}hydronium ion {Ans: acids are H+ donors; H3O+ IS WHAT?}dissociate partially {Ans: weak acids do what in water?}resonance hybrid {Ans: combination of all