CHEM 1310: General Chemistry
Sections L & M
EXAM #1 Study Guide (covering Chemical Principles Chapters 1-5)
Chapter 2: Atoms, Molecules and Ions
Know composition of an atom: protons, neutrons, electrons
Know charges of atomic particles
Know what an isotope is and how it is designated (Section 2.6) in terms of atomic number and
mass number
Know group names in Periodic Table of the Elements and how to interpret information from the
Periodic Table
Know names of ions and how to name simple compounds (Section 2.9, especially tables)
Chapter 3: Stoichiometry
Balance a chemical equation
Calculate moles, # molecules, mass, Molar mass, etc.
Calculate % composition of compounds
Determine the empirical formula or molecular formula of a compound
Deduce relationships from a balanced chemical such as shown in Table 3.2
Calculate amount of reactants or products from a balanced chemical equation
Deduce the limiting reactant
Calculate theoretical yield and percent yield
Chapter 4: Types of Chemical Reactions and Solution Stoichiometry
Polarity of water
Definition of an electrolyte (and a nonelectrolyte) and what characterizes a strong vs. weak
electrolyte
Calculations involving molarity and dilutions
Predict precipitate that would form from a precipitation reaction (Table 4.1)
Write balanced chemical equations that describe a precipitation reaction
Calculate amount of base needed to titrate a specific acid and vice versa.
Identify oxidizing agent and reducing agent in a redox reaction.
Identify oxidation half reaction and reduction half reaction.
Balance redox reactions
Deduce oxidation state (or oxidation number) for a given element in a compound.
Chapter 5: Gases
Boyle’s Law and calculations involving it
Charles’s Law and calculations involving it
Ideal Gas Law and calculations involving it
STP
Calculate molar mass of a gas from the ideal gas law
Dalton’s Law of Partial Pressures and calculations involving it
Average kinetic energy of a gas
Average root mean square velocity of a gas
Definition of effusion and diffusion