Study Guide for General Chemistry 120
Chapter 1
- Mixtures, pure substances, compounds, elements.
- Separation of mixtures.
- Physical and chemical properties of matter.
- Significant figures, scientific notation.
- Conversion of units, temperature scales, volume, and density.
- Dimensional analysis.
Chapter 2
- Mass number, atomic number, isotopes, nuclide symbol.
- Names and symbol of elements and the periodic table.
- Molecules, chemical formula, structure formula.
- Ions, and polyatomic ions.
- Chemical nomenclature.
Chapter 3
- Balancing chemical equations.
- Patterns of chemical reactivity.
- Moles and molar mass, Avogadro's number.
- Calculations based on Mole.
- Derivation of formula from combustion analysis (empirical and molecular formulas).
- Calculations based on chemical equations (stoichiometry).
- Percent yield and limiting reactant.
Chapter 4
- Aqueous solutions, concentrations.
- Molarity (M) = [# of mole] / [Volume (L)].
- Molarity (M) = [Mass (g)] / [V (L) x MW]
- Preparing solutions and dilution of solutions, (M1.V1= M2.V2)..
- Electrolytes, ionization.
- Acid-base reactions (definition of acids and bases).
- Strong acids and strong bases, neutralization reactions and salts.
- Ionic and net ionic equations.
- Oxidation-Reduction reactions and the activity series.
Chapter 5
- Energy, E = Ei – Ef, enthalpy change of reaction ( D H).
- Calorimetry and heat capacity.
- Enthalpy of reaction (Hess's law).
- Standard molar enthalpy of formation (D H° f).
Chapter 6
- Characteristic of Light (electromagnetic radiation).
- Wavelength, frequency, speed of light (c = l.u)(DE=h.n).
- Rydberg equation.
- Absorption and emission spectra.
- Quantum numbers, N, l, ml , ms.
- Shapes of molecular orbitals, S,P,...
- Election configuration and orbital energies.
Chapter 7
- Atomic and ionic radii, Ionization energy, Electron affinity, and Electronegativity.
- Lewis symbols.
- Chemical bonds: ionic and covalent bonds (bond polarity and electronegativity).
- Octet rule an Lewis structures, resonance structure.
- Formal charge and structure stability.
- Exceptions to Octet rule.
- Bond strength and length.
Chapter 9
- VSEPR theory, electronic and molecular shapes (Linear, tetrahedral,...)
- Molecular polarity (polar and non-polar molecules).
- Valence bond theory.
- Sigma ( s) and ( p ) Pi bonds(multiple bonds).
- Orbital hybridization (sp, sp2, sp3).
- Molecular orbital theory (molecular overlap).
- Molecular orbital energy-level diagrams. (bonding & anti bonding orbital)
- Bond order and Molecular electronic configuration.
Chapter 10
- Gas laws and ideal gas equation (P.V = n.R.T).
- Gas stoichiometry.
- Gas mixture: Dalton's Law Xa = Pa/Pt
- Density and MW of gases.
Chapter 11
- Intermolecular forces (ion-ion, dipole-dipole, H-bond, London)
- The effect of intermolecular forces on the properties of liquids: viscosity, surface tension, evaporation, condensation, vapor pressure, and boiling point.
- Phase diagram.
- The effect of intermolecular forces on the properties of solids: melting & freezing points, and sublimation.
- Structure of solids.
- Amorphous and crystalline solids.
- Bonding in solids, (Metallic solids, ionic solids, molecular solids, covalent solids).