SC CHEM 111 - Chem 111 note cards (3 pages)

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Chem 111 note cards



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Chem 111 note cards

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These are notes on specific topics that were placed on 3x5 note cards to be brought in so one could use it during the exam


Pages:
3
School:
University Of South Carolina-Columbia
Course:
Chem 111 - General Chemistry I

Unformatted text preview:

Polyatomics Acetate CH3CO2 Carbonate CO32 Bicarbonate HCO3 Chlorate ClO3 PwechlorateClO4 Chromate CrO42 Cyanide CN DiChromate Cr2O72 Hydroxide OH Nitrate NO3 Nitrite NO2 Permangate MnO4 Phosphate PO43 Hydrogen Phosphate HPO42 DiHydrogen Phosphate H2PO4 Sulfate SO42 Hydrogen Sulfate bisulfate HSO4 Sulfite SO32Endo H 0 Exo H 0 Solubility Ions Group 1A Cations NH4 Nitrate NO3 Perchlorate ClO4 Acetate CH3CO2 Chlorides bromides and iodides EXCEPT Ag Hg2 Pb2 Sulfates EXCEPT Hg Pb Sr Ba Insoluble Ions Carbonate EXCEPT Group 1A NH4 Phosphate EXCEPT Group 1A NH4 Hydroxide OH EXCEPT Group 1A NH4 Sr Ba ACIDS Ide Hydro ic acid Ate ic Acid Ite ous Acid Extensive Property deals with size mass volume and length Intensive Property deals with everything else Physcial Properties Measured without changing the composition of a sample mass volume color Chemical Properties the reactivity of a material explosiveness and flammability Also the fact that gold does not react with water Physical Change Occurs without a change in composition of the substance Frezzing is an example Chemical Change The substance is converted into a different kind of matter the rusting of iron or burning of wood Homogeneous Mixtures uniform throughout Heterogeneous Changes throughout mixture Accuracy Agreement of the measured value with the true accepted value Precision agreement among repeated measurements Daltons Theory 1 Matter is composed of small indivisible particles called atoms The atom is the smallest unit of an element that has all the properties of that element 2 An element is composed entirely of one type of atom The chemical properties of all atoms of any element are the same 3 A compound contains atoms of two or more different elements The relative number of atoms of each element in particular compound is always the same 4 Atoms do not change their identities in chemical reactions Chemical reactions rearranged only how atoms are joined together Electrolytes refers to a substance that produces ions



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