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BR Chem Ch1

Flashcards from chapter 1 of Berkley Review's chemistry book (2010)

QuestionAnswer
Beer's law A=e[C]l Works for all wavelengths, but works best at lambda max
Molarity (M) (moles solute)/(volume solution)
Molality (m) (moles solute)/(kg solvent)
Mass Percent (mass solute)*100/(mass solution)
Density (mass solution)/(volume solution)
Dilution formula MiVi = MfVf
Dilution by 10 1 part solute, 9 parts solvent
Soluble - Group IA, NH4+ - Nitrate NO3- - Cl-, Br-, I- (except Ag+ and Pb2+) - Sulfate SO4(2-) (except Ba2+, Pb2+, Hg2+, Ca2+)
Insoluble - Carbonate (CO3[2-]), Chromate (CrO4[2-]), Phosphate (PO4[3-]), Sulfide (S2-), Hydroxide (OH-)
Oxidation state rules O: -2 (-1 in peroxides) H: +1 Halogens: -1 Alkali metals: +1
Oxidation Loss of electrons (oxdidation state goes up)
Reduction Gain of electrons (oxidation state goes down)
Intensive Does not depend on amount
Extensive Depends on amount
Created by: kcurtiss