Honors Chemistry Final Exam 2011 Study Guide

General Concepts

atoms, molecules, ions, moles

chemical formulas, writing chemical formulas

percent error (as we calculated in lab)

density units and calculations

properties of metals and nonmetals

physical and chemical changes

density of a gas at STP (Avogadro’s hypothesis)

percent composition calculations

empirical and molecular formula calculations

oxidation state (valence numbers)

States of Matter

Heating curve - phase changes

Graham’s law of Effusion

sublimation (dry ice)

vapor pressure

intermolecular forces (effect of boiling point and freezing point)

combined gas law

ideal gas law

heat of fusion and vaporization

Atomic Structure, Bonding and Periodic Properties

electron configurations

nuclear fission and fusion

Dalton, Rutherford, Thompson, Bohr

quantum numbers

mass number and atomic number

average atomic mass (from atomic mass of isotopes)

electron energy for transitioning from higher energy level to ground state (i.e. n=3 to n=1)

electronegativity, ionization energy, atomic radius (periodic trends)

Londondispersion forces (as related to molecular size and melting point within a family)

molecular geometry (tetrahedral, Trigonal pyramidal, bent planar and linear shapes)

organic molecules (carboxylic acids, alcohols and the alkane series)

Equations and Stoichiometry

balancing equations

moles of gas as related to volume of a gas at STP or constant T and P

problem solving using mole-mole ratios and mass-mass quantities

calculations using molar concentrations (this appears often on the final exam) (find moles, grams, and volume)

synthesis, decomposition, double replacement, single replacement chemical reactions combustion of a hydrocarbon (can you write the chemical equation?)

Solutions, Solubility and Solution Reactions

Solubility graph

effects of temperature on solubility

saturated solutions, unsaturated solutions and supersaturated solutions

polar and nonpolar solvents

freezing point depression and boiling point elevation calculations

Acid/base theory – Arrhenius, Bronsted-Lowry

pH calculations

Electrolytes, weak and strong and nonelectrolytes

Ksp and solubility

Energy, Rates and Equilibrium

exothermic and endothermic reactions

changes in enthalpy (H) (heats of formation and Hess’s Law)

changes in entropy (S)

spontaneity and free energy (G)

effects of a catalyst on the activation energy and in the pathway of a chemical reaction

PE v reaction pathway graph for exo and endothermic reactions

Equilibrium and rate of forward and reverse reaction