Chapter 1

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Chapter 1 (Chemical Foundations) - what chemistry is - scientific method - homogeneous vs. heterogeneous mixtures - density + - be able to graph and interpret data properly on x- and y-axes + - properties of matter - physical properties vs. chemical properties - physical changes vs. chemical changes - metric conversions (know the prefixes) - precision vs. accuracy · Chapter 2 (Atoms, Molecules, and Ions) - law of definite composition + - atoms vs. molecules vs. ions vs. elements - how to figure out atomic number, atomic mass, etc. from the periodic table + - the 3 types of subatomic particles in an atom - how to figure out ionic charge from the periodic table - diatomic molecules (e.g. H2, N2, O2, F2, Cl2, Br2, I2) - cations vs. anions - know the formulas and charges of cations and anions - covalent vs. ionic bonding - how to write chemical formulas of binary molecular compounds (covalent) + - polyatomic ions - how to write chemical formulas of ionic compounds (by balancing charges of the cation and anion within the compound) + - how to name oxyacids + · Chapter 3 (Stoichiometry ) - law of conservation of mass (and atoms) + / law of conservation of matter

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Transcript of Chapter 1

Chapter 1 (Chemical Foundations)- what chemistry is- scientific method- homogeneous vs. heterogeneous mixtures- density +- be able to graph and interpret data properly on x- and y-axes +- properties of matter- physical properties vs. chemical properties- physical changes vs. chemical changes- metric conversions (know the prefixes)- precision vs. accuracy Chapter 2 (Atoms, Molecules, and Ions)- law of definite composition +- atoms vs. molecules vs. ions vs. elements- how to figure out atomic number, atomic mass, etc. from the periodic table +- the 3 types of subatomic particles in an atom- how to figure out ionic charge from the periodic table- diatomic molecules (e.g. H2, N2, O2, F2, Cl2, Br2, I2)- cations vs. anions- know the formulas and charges of cations and anions- covalent vs. ionic bonding- how to write chemical formulas of binary molecular compounds (covalent) +- polyatomic ions- how to write chemical formulas of ionic compounds (by balancing charges of the cation and anion within the compound) +- how to name oxyacids + Chapter 3 (Stoichiometry)- law of conservation of mass (and atoms) + / law of conservation of matter- how to write chemical equations- the symbols used to write chemical equations- balance chemical equations +- categorize types of chemical reactions (e.g. combustion, double-replacement, etc.)- the mole (how it relates to Avogadros number) +- molar mass +- how to find concentration in molarity (moles per unit volume) +- empirical formula vs. molecular formula +- mass percent composition +- be able to predict products of chemical reactions based on reaction type converting from moles to mass (in grams) +- converting from mass (in grams) to moles +- determining mole-to-mole ratios between reactants and/or products of a chemical equation +- identifying limiting reagents / determining how much of a reactant is in excess +- determining the theoretical yield of products (in grams or moles) +- determining the percent yield of an experiment + Chapters 4 (Redox / Solution Stoichiometry)- strong electrolytes vs. weak electrolytes vs. nonelectrolytes- Arrhenius acids and bases +- ion concentration in solutions +- identify strong acids and bases, weak acids and bases- ionic equation vs. net ionic equations- titrations- factors affecting solubility- solubility rules +- predicting products of chemical reactions- precipitation reactions (will a reaction occur?) +- using the activity series of metals (will a reaction occur?) +- oxidation vs. reduction / reducing agents vs. oxidizing agents +- cathode vs. anode- oxidation numbers +- identifying redox reactions- balancing redox equations + Chapter 5 (Gases)- properties of gases- kinetic molecular theory for gases- ideal gas law (PV=nRT) +- ideal gas constant +- Charless, Boyles, Amontons, combined gas laws +- gases in reaction stoichiometry (Gay-Lussac) +- Daltons law of partial pressures +- Avogadros law +- STP (under what conditions and know that 1 mol = 22.4 L at STP) +- volume ratios between gases in a reaction +- Grahams law +- diffusion vs. effusion Chapter 6 (Thermochemistry)- thermodynamics- heat vs. temperature- specific heat capacity vs. molar heat capacity- calculating thermal energy based on specific heat capacity (Q=mcT) +- calculating thermal energy based on molar heat capacity (Q=nCT) +- calorimetry- calculating enthalpy H (Is a reaction endothermic or exothermic?) +