CHEM 131 – (NSCC)
Instructor: Maxi Boeckl
Review of CHEM 121
Ch 1
Ch. 2
Ch. 3
Ch. 4
Ch. 5
Ch. 6
Ch. 7
Ch. 8
Ch. 9
Know the following definitions:
Pure Substances, elements, compounds
Hetero- and homogeneous mixtures
Physical and chemical properties
Parts of an atom – nucleus, neutrons,
protons, electrons
Isotopes
s, p and d orbitals and their shapes
Valence electrons
Noble gas configuration
Ionic bonding and ionic compounds
Covalent bonding
Electronegativity
VSEPR theory, Octet rule
Redox reactions
Decomposition reaction
Combination reaction
Replacement reactions
Ionic equation
Exothermic vs endothermic
Stoichiometry
Reactants/Products
States of Matter (solid, liquid, gas)
Change in state (melting, freezing,
condensation, evaporation,
sublimation)
Kinetic and potential energy
Homo- and heterogeneous solutions
Immiscible/miscible
Electrolytes
Colloids and suspensions
Osmosis and Dialysis
Spontaneous vs non-spontaneous
processes
Activation energy
Chemical equilibrium
Kinetic and Potential Energy
Influence of a catalyst
Arrhenius definition of acids/bases
Bronsted definition of acids/bases
Properties of acids and bases
Mono-, di-, triprotic acids
Buffers
Neutralization Reaction
Be able to do the following:
Convert between units
Use metric units
Scientific notation
Determine MW of compounds
Convert mole to gram and vice versa
Use Avogadro’s number
Write electron configurations
Predict periodic trends (electronegativity,
atomic radii)
Draw Lewis structures of covalent compounds
Predict molecular shapes
Predict dipole moments
ID intermolecular forces (H-bonds, dispersion
forces, dipole-dipole)
Assign oxidation numbers to each element in
compounds and ions
Write net ionic and molecular equation
ID spectator ions
Determine molar equivalence
Determine limiting reagent
Calculate theoretical and percent yields
Balance chemical reactions
Ideal gas law (PV = nRT)
Dalton’s law (partial pressures)
Boyle’s law (P1V1 = P2V2)
Gay-Lussac’s Law (P1/T1 = P2/T2)
Charles’ Law (V1/T1 = V2/T2)
Determine solubility (Like dissolves like)
Determine molarity
Describe dilutions
Determine % (w/w), % (v/v) and % (w/v)
concentrations
ID energy diagram as endothermic or
exothermic
Predict equilibrium shift based on Le
Chatelier’s principle
Define and use equilibrium constants
ID acids, bases, conjugate base and acid
Define difference between weak and strong
acids and bases
Use and calculate pH
Write molecular, net ionic equations
Ion-product and acid dissociation constants
Titration calculations