This page lists the contents of each lecture.
Use "Find" in your Web browser to find in this page those lectures where a particular topic is discussed.
For each lecture: there is a link to the PDF of the PowerPoint slides used in that lecture and a link to the lecture recording, showing the notations made to each slide during the lecture.
Lecture 1, Wednesday, September 7, 2016
Estimating the volume of air in the lecture hall after it is liquefied.
Lecture slides and
lecture recording.
Lecture 2, Friday, September 9, 2016
Complete estimate of liquefied air volume. Atom, elements, and isotopes. Atomic weight.
Lecture slides and
lecture recording.
Lecture 3, Monday, September 12, 2016
Mass spectrometer. Isotopes, atomic weight, the mole.
Lecture slides and
lecture recording.
Lecture 4, Wednesday, September 14, 2016
Fractional compositions and how to use them. Chemist’s dozen: The mole. Names of common ions.
Lecture slides and
lecture recording.
Lecture 5, Friday, September 16, 2016
Molecular mass spectra
Lecture slides and
lecture recording.
Lecture 6, Monday, September 19, 2016
Molecular mass spectra. Mass spectra of compounds with Br (or Cl). Light, wavelength, frequency, and wavenumber.
Lecture slides and
lecture recording.
Lecture 7, Wednesday, September 21, 2016
Light is an oscillating electric field? "Jiggling" of bonded atoms by light. Wavelength, frequency, and wavenumber.
CDF animation: Lighter atoms vibrate faster; stronger bonds have higher IR frequenices.
Lecture slides and
lecture recording.
Lecture 8, Friday, September 16, 2016
Practice with wavelength, frequency, and wavenumber. IR (infrared) spectra. How light causes oscillatory motion in matter.
Lecture slides and
lecture recording.
Lecture 9, Wednesday, September 28, 2016
Complete IR spectra. How the atmosphere warms.
Collisional heating of the atmosphere, http://goo.gl/vQ0Nz.
IR windows in the atmosphere, http://goo.gl/I8IGz.
Lecture slides and
lecture recording.
Lecture 10, Friday, September 30, 2016
Complete discussion of atmospheric warming.
What a chemical equation tells us. Balancing chemical equations by inspection. Stoichiometry: Amounts in chemical transformations.
Lecture slides and
lecture recording.
Lecture 11, Monday, October 3, 2016
Review of stoichiometry: Amounts in chemical transformations. Limiting reagents. Percent yield.
Hydrogen bonding in ice and water.
Lecture slides and
lecture recording.
Lecture 12, Wednesday, October 5, 2016
Hydrogen bonding in ice and water.
Heat versus temperature.
Heat capacity.
Vapor pressure and boiling.
Lecture slides and
lecture recording.
Lecture 13, Friday, October 7, 2016
Vapor pressure and boiling.
Intermolecular forces
Lecture slides and
lecture recording.
Lecture 14, Tuesday, October 11, 2016
Hydrogen bonding. Dipole-dipole interaction (polarity).
Lecture slides and
lecture recording.
Lecture 15, Wednesday, October 12, 2016
(London) Dispersion interaction. Relative boiling points.
Lecture slides and
lecture recording.
Lecture 16, Friday, October 14, 2016
Relative affect of electron cloud size (molecular weight), polarity, and hydrogen bonding on boiling points.
Lecture slides and
lecture recording.
Lecture 17, Monday, October 17, 2016
Practice with intermolecular forces. How ionic solids dissolve in water.
Lecture slides and
lecture recording.
Lecture 18, Wednesday, October 19, 2016
More on how ionic solids dissolve in water.
Solubility rules. Precipitation reactions. Concentrations after precipitation.
Lecture slides and
lecture recording.
Lecture 19, Friday, October 21, 2016
Concentrations after precipitation. Ionization of molecular solutes.
Self-ionization (autoionization) of water.
Acid-base reactions: Competition for protons, H+.
Lecture slides and
lecture recording.
Lecture 20,Monday, October 24, 2016
Checking electrical neutrality of ionic solutions.
Acid-base reactions: Competition for protons, H+.
Lecture slides and
lecture recording.
Lecture 21, Wednesday, October 26, 2016
Acid-base reactions: Competition for protons, H+.
Oxidation-reduction equations.
Lewis acid-base reactions and complexation.
Lecture slides and
lecture recording.
Lecture 22, Friday, October 28, 2016
First law of thermodynamics.
System versus surroundings.
Detecting heat and work.
Lecture slides and
lecture recording.
Lecture 23, Wednesday, November 2, 2016
Detecting heat and work.
The amount of heat can be different, depending on whethere work is present;
qV (energy change) versus qP (enthalpy change).
Lecture slides and
lecture recording.
Lecture 24, Friday, November 4, 2016
More on how the amount of heat can be different, depending on whether work is present;
qV (energy change) versus qP (enthalpy change).
Lecture slides and
lecture recording.
Lecture 25, Monday, November 7, 2016
Temperature equilibration (heat leveling).
Heating curves.
Enthalpy change of reaction.
Lecture slides and
lecture recording.
Lecture 26, Wednesday, November 9, 2016
Hess's law.
Standard states and standard enthalpy change of reaction.
Standard enthalpy change of formation.
Using enthalpy changes of formation to compute enthalpy change of reaction.
Lecture slides and
lecture recording.
Lecture 27, Friday, November 11, 2016
Using enthalpy changes of formation to compute enthalpy change of reaction.
Bond enthalpies. Using bond enthalpies to estimate enthalpy change of reaction.
Lecture slides and
lecture recording.
Lecture 28, Monday, November 14, 2016
Using bond enthalpies to estimate enthalpy change of reaction give poor results if some substances are liquids or gases.
Review: What light is and how it interacts with matter.
Natural frequencies of atoms.
Lecture slides and
lecture recording.
Lecture 29, Wednesday, November 16, 2016
Natural frequencies of atoms.
Light and matter exchange energy smoothly and slowly.
Resonant tugs by light on an electron cloud.
CDF animation: H atom transformation by light of 1s to 2p.
Light energy is exchanged with matter in tiny amounts, called photons.
Using light-matter resonance frequencies to construct energy diagrams of matter.
Lecture slides and
lecture recording.
Lecture 30, Friday, November 18, 2016
Review: Resonant tugs by light on an electron cloud.
CDF animation: H atom transformation by light of 1s to 2p.
Electron waves and quantization.
H atom photon energies.
Lecture slides and
lecture recording.
Lecture 31, Monday, November 28, 2016
H atom photon energies.
He+ , Li2+ , etc., photon energies.
Photoionization (photoelectric effect).
Lecture slides and
lecture recording.
Lecture 32, Wednesday, November 30, 2016
Review: H atom photon energies.
PDF: Hydrogen atom family album.
Review: Electron clouds.
Lecture slides and
lecture recording.
Lecture 33, Friday, December 2, 2016
Review: Electron clouds.
Review: Lewis structures, formal charge and oxidation number.
More than one electron: Orbital (yikes!) approximation.
Electrical shielding from the nucleus of one electron by others.
PDF: Shielding in Li 1s22s and Li 1s22p.
Lecture slides and
lecture recording.
Lecture 34, Monday, December 5, 2016
Electrical shielding from the nucleus of one electron by others.
PDF: Shielding in Li 1s22s and Li 1s22p.
Building electron configurations of many-electron atoms.
Lecture slides and
lecture recording.
Lecture 35, Wednesday, December 7, 2016
Complete: Building electron configurations of many-electron atoms.
Bonding in diatomic (two-atom) molecules: Mixing AOs (atomic orbitals) makes MOs (molecular orbitals).
PDF: Bonding in diatomic molecules.
CDF animation: Bonding and antibonding MOs from in-phase (constructive interference) and out-of-phase (destructive interference) combinations of AOs.
Lecture slides and
lecture recording.
Lecture 36, Friday, December 9, 2016
Combining AOs makes MOs.
Constructive interference of AOs results in bonding MOs; destructive interference of AOs results in antibonding MOs.
CDF animation: Bonding and antibonding MOs from in-phase (constructive interference) and out-of-phase (destructive interference) combinations of AOs.
AO-MO correlation diagrams summarize the combined effect of changing kinetic and potential energy, in bonding (in-phase) and antibonding (out-of-phase) combinations of AOs.
Bond order: H2+ to Be2 (!).
Lecture slides and
lecture recording.
Lecture 37, Monday, December 12, 2016
When atoms are different, AOs to be used to make MOs.
Origin of polarity.
σ and π bonding.
CDF animation: 2p MOs.
Electron configuration and bond order from B2 to Ne2.
Lecture slides and
lecture recording.
