CH301 - Principles of Chemistry I- Fall 2010
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Videoclips corresponding to course lectures
Here you will find small videoclips of me talking about my lecture material for CH301. You can also find these clips imbedded, by chapter and section, in the Atkins Dynamic Book..
Note:
The files are in .mp4 format.
High Chemistry Lecture 1 on Compositional Stoichiometry
Introduction to Stoichiometry
Connecting compounds and reactions to real world measurements
Distinguishing compositional and reaction stroichiometry
The mole and what it is good for
Estimates and stoichiometry--how many atoms in a can of coke
Dimensional analysis (unit factors) is the bridge between units
Famous unit factors in stoichiometry
Elemental Compositional Stoichionmetry Example 1
Elemental Compositional Stoichionmetry Example 2
Elemental Compositional Stoichionmetry Example 3
Elemental Compositional Stoichionmetry Example 4
Stoichiometry and the Molecular Weight of a Compound
Law of Simple Multiple Proportions
Molecular Compositional Stoichiometry With Propane
Another Molecular Compositional Stoichiometry With Propane
Molecular Compositional Stoichiometry With Ozone
Percent Composition Calculations
How to do an Empirical Forumla Calculation
An Empirical Forula Calculation
A Molecular Formula Calculation
A More Complicated Compositional Stoichiomtry Calculation
Another More Complicated Compositional Stoichiomtry Calculation
Yet Another Molecular Compositional Stoichionmetry Calculation
A Mixed Molecule Compositional Stoichionmetry Calculation
High School Chemistry Lecture 2 on Reaction Stoichiometry
Introduction to Reaction Stoichiometry
Introduction to Balancing Chemical Reactions
Strategies for Balancing Chemical Reactions
Example of How to Balance a Chemical Reaction by Inspection
Balancing Redox reactions--a taste of electrochemistry
Reaction Stoichiometry Example 1
Reaction Stoichiometry Example 2
Reaction Stoichiometry Example 3
Reaction Stoichiometry Example 4
Limiting Reagent Calculation
Concept of Percent Yield
Percent Yield Calculation Example
Solution Chemistry in Stoichiometry
Different Kinds of Concentrations
Concept of Molarity in Reaction Stoichiometry
Reaction Stoichiometry Calculation Involving Molarity
Concept of Dilution and Titration Calculation
Titration Calculation
Dilution Calculation
Reaction Stoichiometry Involving Solutions
Reaction Stoichiometry in Acid Base Calculations
Stoichiometry and Ideal Gas Laws
Summarizing Reaction Stoichiometry
High School Chemistry Lecture 3 on Descriptive Chemistry
Introduction to Descriptive Chemistry
The array of descriptive chemistry concepts
Families of Elements
Periodic Trends
Cations and Anions
Acids and Bases
Non-electrolytes
Acid-Base Theories
Naming strong and weak acids
Conjugate Acid Base Pairs
Solubility Definition
Solubility of salt solutions
Structure of salts
Polyatomic ions--just learn them--you will be much happier
Solubility Rules
Strategies for simplifying solubility prediction
Application of solubility rules to predict solubility
Sample problem using solubility rules to find what will precipitate
Oxidation Reduction (Redox) reactions
How you know that a reaction is a redox process
Oxidation numbers
Assigning oxidation numbers
Exceptions that arise in assigning oxidation numbers
Examples of redox reactions
Displacement reactions as a special case of redox reactions
Metal activity with water
Introduction to naming inorganic compounds
Naming binary salts
Naming covalentinorganic molecules
Naming ternary compounds
The ternary acids
Famous polyanions
A review of inorganic nomenclature
High School Chemistry Lecture 4 on Organic Compounds
Introduction to the breadth of organic molecules
Why carbon is the central atom in biology
Some general themes about drawing organic compounds
Structural isomers in hydrocarbons
The Parts of an organic molecule in naming organic molecules
Where living things go to die--a look at organic chemistry in petroleum products
Functional groups in organic molecules
A brief introduction to naming organic molecules
Looking broadly at the kinds of reactions that organic compounds can undergo
CH301 Lectures
Lecture 1 Part 1: (Chapter 1, Section 1) Dr.Laude talks about the atoms up approach
Lecture 1 Part 2: Chapter 1, Section 2) Dr. Laude talks about electromagentic radiation interacting with matter
Lecture 1 Part 3: (Chapter 1, Section 4a) Dr. Laude talks about the downfall of classical mechanics
Lecture 1 Part 4: (Chapter 1, Section 4b) Dr. Laude talks about blackbody radiators and the photoelectric effect
Lecture 1 Part 5: (Chapter 1, Section 3) Dr. Laude talks about line spectra generated by hydrogen in discharge tubes
Lecture 2 Part 1: Chapter 1, Section 5) Dr. Laude talks about DeBroglie and the wave particle duality of light and matter
Lecture 2 Part 2: (Chapter 1, Section 6) Dr. Laude talks about the uncertainty principle
Lecture 2 Part 3: (Chapter 1, Section 7a) Dr. Laude talks about the parts of the Schrodinger equation
Lecture 2 Part 4: (Chapter 1, Section 8) Dr. Laude talks about the principal quantum number, the Bohr atom
Lecture 2 Part 5: (Chapter 1, Section 7b) Dr. Laude talks about Schrodinger applied to a particle in a box
Lecture 3 Part 1: (Chapter 1, Section 9a) Dr. Laude talks about using speherical coordinates for QM solution for the hydrogen atom
Lecture 3 Part 2: (Chapter 1, Section 9b) Dr. Laude talks about the Scrodinger equation solution for the hydrogen atom yielding n, l, ml
Lecture 3 Part 3: (Chapter 1, Section 9c) Dr. Laude talks about building the hydrogen orbitals from the Schrodinger equation
Lecture 3 Part 4: (Chapter 1, Section 9d) Dr. Laude talks about radial electron density plots
Lecture 3 Part 5: (Chapter 1 ,Section 10) Dr. Laude talks about the fourth quantum number, spin, and then reviews the boundary conditions
Lecture 4 Part 1: (Chapter 1, Section 9e) ) Dr. Laude talks about reviewing the four quantum numbers to set up filling electronic configurations
Lecture 4 Part 2: (Chapter 1, Section 14a)Dr. Laude talks about orbitals and introduces the periodic table
Lecture 4 Part 3: (Chapter 1, Section 13a) Dr. Laude talks about Hund, Aufbau and Pauli
Lecture 4 Part 4: (Chapter 1, Section 14b) Dr. Laude talks about how the QM boundary conditions map out the periodic table
Lecture 4 Part 5: (Chapter 1, Section 13b)) Dr. Laude talks about a recipe for filling EC for atoms and ions
Lecture 4 Part 6: (Chapter 1, Section 14c) Dr. Laude talks about electronic configurations and why we only care about the valence electrons
Lecture 5 Part 1: (Chapter 1,Section 15a) Dr. Laude talks about trends in the periodic table
Lecture 5 Part 2: (Chapter 1, Section 12) Dr. Laude talks about effective nuclear charge (ENC) explaining trends
Lecture 5 Part 3: (Chapter 1, Section 15b) Dr. Laude talks about periodic trends and atomic radius
Lecture 5 Part 4: (Chapter 1, Section 17) Dr. Laude talks about ionization energy
Chapter 5 Part 5: (Chapter 1, Section 18) Dr. Laude talks about electron affinity
Lecture 5 Part 6: (Chapter 1,Section 16) Dr. Laude talks about ionic radius size
Lecture 6 Part 1: (Chapter 1, Section 13c ) Dr. Laude talks about filled and half filled shell stability
Lecture 6 Part 2: (Chapter 1,Section 13d ) Dr. Laude talks about points out the islands of stability in the periodic table
Lecture 6 Part 3: (Chapter 1, Section 13e ) Dr. Laude talks about transition metal exceptions to aufbau
Lecture 6 Part 4: (Chapter 1, Section 13f) Dr. Laude talks about p block metal ion exceptions to aufbau
Lecture 6 Part 5: (Chapter 1,Section 18) Dr. Laude talks about IE and EA glitches due to filled and half filled shell stability
Lecture 7 Part 1: (Chapter 2, Section 0a) Dr. Laude talks about the chemical bond and its significance
Lecture 7 Part 2: (Chapter 2, Section 0b) Dr. Laude talks about electronegativity and the movement of electrons in bonds
Lecture 7 Part 3: (Chapter 2, Section 1) Dr. Laude talks about ionic bonds
Lecture 7 Part 4: (Chapter 2, Section 2a) Dr. Laude talks about how to draw Lewis structures of salts
Lecture 7 Part 5: Chapter 2, Section 2 b) Dr. Laude talks about all the possible Lewis structures of salts
Lecture 8 Part 1: Dr. Laude talks about why electronnegativity difference tells us if we have a covalent bond
Lecture 8 Part 2: Dr. Laude talks about covalent bonds and organic molecules
Lecture 8 Part 3: Dr.Laude talks about Lewis dot stuctures of atoms and what it says about the number of bonds an atom can form
Lecture 8 Part 4: Dr. Laude draws the Lewis Dot Structure of H2.mov
Lecture 8 Part 5: Dr. Laude draws CH4 correctly and IC2l- incorrectly
Lecture 8 Part 6: Dr. Laude's five rules for drawing every Lewis dot stucture there is
Lecture 8 Part 7: Dr. Laude shows you the only geometries you can draw for your molecules
Lecture 8 Part 8: Dr. Laude shows you how to make CO2 with double bonds by borrowing
Lecture 8 Part 9: Dr. Laude draws nitrate to show you resonance
Lecture 8 Part 10: Dr. Laude draws boron compounds that don't satisfy the octet rule
Lecture 8 Part 11: Dr. Laude draws compounds with an odd number of electrons that don't satisfy the octet rule
Lecture 8 Part 12: Dr. Laude draws molecules with a central atom from n=3 that don't satisfy the octet rule
Lecture 8 Part 13: Dr. Laude draws XeF4, another hypervalent compound
Lecture 8 Part 14: Dr. Laude draws multiple central atom examples
Lecture 8 Part 15: Dr. Laude goes crazy and draws benzene as a multiple central atom case
Lecture 9 Part 1: Dr. Laude survey all those special extra topics found on exam 1
Lecture 9 Part 2: Dr. Laude explains charge density as a concept that makes salts easy to understand
Lecture 9 Part 3: Dr. Laude use charge density arguments to rank lattice energies
Lecture 9 Part 4: Dr. Laude swears that delta electronegativity is the greatest tool in chemistry
Lecture 9 Part 5: Dr. Laude talks about ionic and covalent character (or why 1.5 is just an arbitrary number)
Lecture 9 Part 6: Dr. Laude assigns delta electronegativites throughout a molecule
Lecture 9 Part 7: Dr. Laude uses formal charge to show which formaldehyde is the right structure
Lecture 9 Part 8: Dr. Laude shows how to calculate formal charge and uses it on N2O
Lecture 9 Part 9: Dr. Laude uses formal charge on sulfate ion
Lecture 9 Part 10: Dr. Laude talks about the relationship between bond length and energy
Lecture 9 Part 11: Dr. Laude talks about multiple bonds and polarizability and bond energy
Lecture 10 Part 1: Dr. Laude introduces the idea of how VSEPR delivers 2D structures into 3D structures
Lecture 10 Part 2: Dr. Laude explains how delta electronegativities, when added together, tell you if something is polar or nonpolar
Lecture 10 Part 3: Dr. Laude talks about the simple reasoning behind VSEPR theory in making 3D structures--looking at the linear case
Lecture 10 Part 4: Dr. Laude talks about the simple reasoning behind VSEPR theory in making 3D structures--looking at the trigonal planar case
Lecture 10 Part 5: Dr. Laude talks about the simple reasoning behind VSEPR theory in making 3D structures--looking at the tetrahedral planar case
Lecture 10 Part 6: Dr. Laude talks about the simple reasoning behind VSEPR theory in making 3D structures--looking at the hypervalent cases
Lecture 10 Part 7: Dr. Laude talks about how delta electronegativity is really a measure of a dipole moment and how polar a molecule is
Lecture 10 Part 8: Dr. Laude shows how to use the summation of delta electroegativity to tell if a moleule is polar or nonpolar
Lecture 10 Part 9: Dr. Laude summarizes what VSEPR can tell us about 3D structures and how we can derive useful information from them
Lecture 11 Part 1: Dr. Laude gives an overview of how VSEPR tells you about all the things you can learn from the number of electron rich regions using VSEPR
Lecture 11 Part 2: Dr. Laude talks about how to determine electronic geometry and bond angle
Lecture 11 Part 3: Dr. Laude talks about how you can get hybridization from electron rich regions
Lecture 11 Part 4: Dr. Laude introduces the idea of bonded and unbonded electron pairs
Lecture 11 Part 5: Dr. Laude points out that bond angles get distorted because unbonded electron pairs take up more room than bonded electron pairs
Lecture 11 Part 6: Dr. Laude uses bonded and unbonded electron pairs to to assign molecular geometries
Lecture 11 Part 7: Dr. Laude reviews molecular geomteries from a slightly different take to cement the ideas
Lecture 11 Part 8: Dr. Laude reviews molecular geometries by separating them into electron rich region groupings
Lecture 11 Part 9: Dr. Laude doesn't seem to want to shut up about molecular geometries
Lecture 10 Part 10: Dr. Laude extends VSEPR theory to multiple central atoms
Lecture 12 Part 1: Dr. Laude introduces valence bond theory by reminding us where we saw hybrid orbits before
Lecture 12 Part 2: Dr. Laude tells you his definition of a bond: the overlap of electron density between two atomic orbits
Lecture 12 Part 3: Dr. Laude defines sigma bonds and shows examples
Lecture 12 Part 4: Dr. Laude defines pi bonds and shows examples
Lecture 12 Part 5: Dr. Laude talks about how various combinations of s and p orbits make sigma and pi bonds
Lecture 12 Part 6: Dr. Laude introduces hybridization by showing you all the different types of hybrid orbits (five of them)
Lecture 12 Part 7: Dr. Laude uses methane's bonds to slowly show you why it is that hybrid orbits have to exist
Lecture 12 Part 8: Dr. Laude talks about that sad moment that spectrocopy pointed out that hybrid orbits are the only explanation for how methane bonds
Lecture 12 Part 9: Dr. Laude summarizes the application of electron rich regions to assign hybrid orbits
Lecture 12 Part 10: Dr. Laude shows off the famous example of how ethene is explained with VB theory (showing off the extra pi bond from the p orbit overlap)
Lecture 12 Part 11: Dr. Laude shows off the even more famous example of how ethyne (acetylene) is explained with VB theory (showing off the extra TWO pi bonds from the p orbit overlaps)
Lecture 12 Part 12: Dr. Laude wraps up VB and VSEPR theory by pointing out you know enough to tackle pretty much any large organic molecule's bonding, one bond at a time
Lecture 13 Part 1: Dr. Laude introduces valence bond theory by reminding us where we saw hybrid orbits before
Lecture 13 Part 2: Dr. Laude talks about how benzene raises more questions than it answers with VB theory because of delocalization
Lecture 13 Part 3: Dr. Laude talks about how MO theory is just getting back to our roots from quantum mechanics which explained atomic orbits so well
Lecture 13 Part 4: Dr. Laude constructs molecular orbitals from atomic orbitals and uses them to explain H2
Lecture 13 Part 5: Dr. Laude talks about how antibonding arises when atomic orbits form molecular orbits
Lecture 13 Part 6: Dr. Laude works stepwise through H2 and He2 to see why hydrogen gas exists and diatomic He does not
Lecture 13 Part 7: Dr. Laude introduces the simple mathematical calculation of a bond order
Lecture 13 Part 8: Dr. Laude talks anout the homonuclear diatomic MO structure in more detail, MO by MO
Lecture 13 Part 9: Dr. Laude does a bond order calcultion for Be2 to show off that it doesn't exist
Lecture 13 Part 10: Dr. Laude tries calculating bond orders for several different homonuclear diatoms and their ions
Lecture 13 Part 11: Dr. Laude shows that the relationship between MO and VB theory is there--bond order calculations are just telling you how many bonds you have in your Lewis structures
Lecture 13 Part 12: Dr. Laude shows off that diatomic oxygen is paramagnetic and explains how you can find how whether anything is a magnet if it has unpaired electrons in its MOS
Lecture 13 Part 13: Dr. Laude tells you ,with deep sadness, that there are happy face and sad face versions of MO energy orderings even in the homonuclear diatoms
Lecture 13 Part 14: Dr. Laude shows you the greatest table in the world, all the diatoms with their bond orders, bond lengths and energies, in one place
Lecture 14 Part 1: Dr. Laude gets all philosophical and big picture as we move from bonding to states of matter
Lecture 14 Part 2: Dr. Laude talks about kinetic molecular theory as a basis for explaining gas phenomena
Lecture 14 Part 3: Dr. Laude takes on his first gas variable--pressure, and defines and explains it
Lecture 14 Part 4: Dr. Laude explains how experiments involving P, V and T yield the ideal gas law and connect to kinetic theory
Lecture 14 Part 5: Dr. Laude talks about the different kinds of gas law calculations that arise from PV=nRT
Lecture 14 Part 6: Dr. Laude generalizes the idea of a gas system that changes to introduce you to thermodynamic state functions)
Lecture 14 Part 7: Dr. Laude provides some useful problem solving tips for working ideal gas law problems.
Lecture 14 Part 8: Dr. Laude works an ideal gas law problem that solves for molecular weight
Lecture 14 Part 9: Dr. Laude summarizes the application of electron rich regions to assign hybrid orbits
Lecture 14 Part 10: Dr. Laude works an ideal gas law calculation that solves for density
Lecture 14 Part 11: Dr. Laude talks about the volume of a gas at STP and points out that 22.4 liters is not the exact value determined experimentally--something non-ideal is going on
Lecture 14 Part 12: Dr. Laude works a final couple of problems involving changes of state in a gas system
Lecture 15 Part 1: Dr. Laude starts to tell the truth about kinetic theory and its flaws
Lecture 15 Part 2: Dr. Laude talks about structures of gases determine polarity which determines non-ideality because of IMFs
Lecture 15 Part 3: Dr. Laude talks about how kinetic theory explains that temperature increases the kinetic energy of gases and therefor increases the velocity
Lecture 15 Part 4: Dr. Laude deos a simple RELATIVE velocity calculation involving the speeds of gases
Lecture 15 Part 5: Dr. Laude talks about how gases don't really travel at their calculated velocities becuase they bump into other gases (diffusion)
Lecture 15 Part 6: Dr. Laude talks about how effusion (like the way helium leaks through balloons) is explained mathematically like diffusion
Lecture 15 Part 7: Dr. Laude talks about non-idelaity due to the size of gas molecules
Lecture 15 Part 8: Dr. Laude talks about non-ideality due to intermolecular forces
Lecture 15 Part 9: Dr. Laude talks about non-ideal gas equations with coefficients that fix non-idealities for every kind of gas
Lecture 15 Part 10: Dr. Laude summarizes some of the deep big picture thoughts bout gases and the kmt and imf theories that explain behavior
Lecture 16 Part 1: Dr. Laude gets all philosophical and big picture about how gases become liquids and then solids
Lecture 16 Part 2: Dr. Laude talks about how you can rank solution properties based upon the magnitude of intermolecular forces
Lecture 16 Part 3: Dr. Laude talks about the solution property called surface tension
Lecture 16 Part 4: Dr. Laude talks about the solution property called evaporation
Lecture 16 Part 5: Dr. Laude talks about the solution property called boiling point
Lecture 16 Part 6: Dr. Laude talks about solution properities like capillary action, adhesion, and more
Lecture 16 Part 7: Dr. Laude becomes more quantitative about the kinds of intermolecular forcesa>
Lecture 16 Part 8: Dr. Laude wants it to be clear what the difference is between an INTERmolecular force and an INTRAmolecular force
Lecture 16 Part 9: Dr. Laude talks about the confusion in how a salt like NaCl can be considered to have both inter and intramolecular forces
Lecture 16 Part 10: Dr. Laude talks about ion-dipole and dipole-dipole (permanent dipole) interactions
Lecture 16 Part 11: Dr. Laude talks about instantaneous dipoles, in other words, why something like helium can become a liquid
Lecture 16 Part 12: Dr. Laude talks abou thte most famous intermolecular force of all time, the hydrogen bond
Lecture 16 Part 12: Dr. Laude tells you his personal strategy for ranking solution properties
Lecture 17 Part 1: Dr. Laude talks about the combinations of all the different kinds of intermolecular forces
Lecture 17 Part 2: Dr. Laude ranks ion-ion interactions using chrge density arguments
Lecture 17 Part 3: Dr. Laude talks hydrogen bonding in the second row
Lecture 17 Part 4: Dr. Laude talks about the trends in hydride solution properties
Lecture 17 Part 5: Dr. Laude brings up polarizability to explain the trends in hydride solution properties away from the second row
Lecture 17 Part 6: Dr. Laude talks about how lots of compounds have lots of hydrogen bonding, like in sugars
Lecture 17 Part 7: Dr. Laude talks about permanent dipoles>
Lecture 17 Part 8: Dr. Laude brings up instantaneous dipoles that arise in symmetrical compounds
Lecture 17 Part 9: Dr. Laude talks about how even though instantaeous dipols are small, in very large moleculaes the sum of the IMF is very large
Lecture 17 Part 10: Dr. Laude talks about his famous strategy for ranking solution properties based on intermolecular forces
Lecture 19 Part 1: Dr. Laude talks about thermodynamics and why it is intuitively not as easy as drawing molecules
Lecture 19 Part 2: Dr. Laude sets the stage for thermo by discussing the system and the surroundings
Lecture 19 Part 3: Dr. Laude talks about all the kinds of internal energy in a system and the kinds we will pay attention to
Lecture 19 Part 4: Dr. Laude talks about the first law of thermodynamics and conservation of energy
Lecture 19 Part 5: Dr. Laude talks about the second law of thermodynamics and when a reaction can happen
Lecture 19 Part 6: Dr. Laude talks about the third law of thermodynamics and temperature
Lecture 19 Part 7: Dr. Laude talks about how we will be measuring change in the system most of the time in our calculations
Lecture 19 Part 8: Dr. Laude talks about state functions and why we only care about how things end minus how the begin
Lecture 19 Part 9: Dr. Laude talks about "being the system" as a way to understand signs
Lecture 20 Part 1: Dr. Laude talks about the Gibb's free energy equation and how the sign of it tells us whether a reaction happens
Lecture 20 Part 2: Dr. Laude introduces the concept of enthalpy and talks about heat coming into and leaving a system
Lecture 20 Part 3: Dr. Laude talks about disorder and how important it is in thermodynamics
Lecture 20 Part 4: Dr. Laude talks about work associated with expansion of gases (making bombs) and the signs associated with it
Lecture 20 Part 5: Dr. Laude talks about disorder and how easy it is to see whether chemical or physical systems have an increase or decrease in entropy
Lecture 20 Part 6: Dr. Laude talks about how to predict signs for expansion work when the number of moles of gas in a reaction change
Lecture 20 Part 7: Dr. Laude talks about when and how to predict the change in enthalpy
Lecture 20 Part 8: Dr. Laude talks about the Gibb's free energy and whether a reaction happens
Lecture 20 Part 9: Dr. Laude talks about the Gibb's free energy equation and looks at the temperature independent cases
Lecture 20 Part 10: Dr. Laude talks about the Gibb's free energy equation and looks at the temperature dependent cases (like in phase changes)
Lecture 21 Part 1: Dr. Laude refreshes our qualitative notion of the signs of thermo in preparation for finding real numbers in therm calculations
Lecture 21 Part 2: Dr. Laude looks at worksheet 11 and talks about the filling in the boxes with numbers
Lecture 21 Part 3: Dr. Laude talks about the equations you will learn to use in thermo calculations
Lecture 21 Part 4: Dr. Laude talks about how bond energy calculations are kind of backward
Lecture 21 Part 5: Dr. Laude talks about the bomb calorimater apparatus and how it yields information about energy content in a compound
Lecture 21 Part 6: Dr. Laude talks about the first law of thermodynamics and how it makes it possible to make useful measurements with a bomd calorimeter
Lecture 21 Part 7: Dr. Laude talks about how bomb calorimeters aren't perfect so we need to correct for heat leaving the water
Lecture 21 Part 8: Dr. Laude talks about the tricks of the trade for working bomb calorimeter problems
Lecture 21 Part 9: Dr. Laude talks about how simple it is to do work calculations involving chemical reactions
Lecture 21 Part 10: Dr. Laude talks about Hess's law and how it makes lots of calculations possible in thermodynamics
Lecture 21 Part 11: Dr. Laude talks about bond energy calculations of heats of reaction
Lecture 21 Part 12: Dr. Laude talks about making heats of formation calculations of heats of reaction
Lecture 21 Part 13: : Dr. Laude shows of the example of calculating enthlapy changes for propane combustion
Lecture 21 Part 14: Dr. Laude shows of the example of calculating entropy changes for propane combustion
Lecture 21 Part 15: Dr. Laude shows of the example of calculating free energy changes for propane combustion
Lecture 21 Part 16: Dr. Laude points out how easy it is to check your work using the Gibb's free energy calculation
Lecture 22 on Motional Energy Part 1: Dr. Laude talks about why he teaches statistical thermodynamics in an intro course
Lecture 22 on Motional Energy Part 2: Dr. Laude talks about how Boltzmann gave us a very different way to understand thermodynamics
Lecture 22 on Motional Energy Part 3: Dr. Laude talks about the Boltzmann constant, k, and how we have seen it before as R
Lecture 22 on Motional Energy Part 4: Dr. Laude talks about motional energy, atom by atom, and the amount of energy in each mode of motion
Lecture 22 on Motional Energy Part 5: Dr. Laude talks about motional energy in a molecule and how there are three translational modes of motion
Lecture 22 on Motional Energy Part 6: Dr. Laude introduces rotational modes of motion
Lecture 22 on Motional Energy Part 7: Dr. Laude introduces vibrational modes of motion
Lecture 22 on Motional Energy Part 8: Dr. Laude goes off topic to discuss vibrations and how they are used to catch drunk drivers
Lecture 22 on Motional Energy Part 9: Dr. Laude shows how to determine how many vibrational modes of motion are in an atom
Lecture 22 on Motional Energy Part 10: Dr. Laude talks about how to determine the amount of motional energy for a given number of modes of motion
Lecture 22 on Motional Energy Part 11: Dr. Laude works a bunch of quick question problems about motional energy
Lecture 22 on Entropy Part 1: Dr. Laude talks about how fond Boltzmann was of the equation S = k ln W
Lecture 22 on Entropy Part 2: Dr. Laude talks about positional entropy as an alternative to thermal entropy
Lecture 22 on Entropy Part 3: Dr. Laude determines the positional entropy for four carbon monoxides
Lecture 22 on Entropy Part 4: Dr. Laude talks about two determine the number of orientations for a compounds
Lecture 22 on Entropy Part 5: Dr. Laude talks about the tricks for calculations involving S = k ln W
Lecture 22 on Entropy Part 6: Dr. Laude talks about how the polarity of a molecule produces a lower experimental entropy than that calculated by k ln W
Lecture 22 on Entropy Part 7: Dr. Laude works some quick problems involving positional entropy
Lecture 23 Part 1: Dr. Laude introduces the idea of internal energy, U, as a fundamental idea in thermodynamics
Lecture 23 Part 2: Dr. Laude describes different types of systems that exchange energy and matter
Lecture 23 Part 3: Dr. Laude talks about how heat and work on a molecular level are really similar but very different concepts
Lecture 23 Part 4: Dr. Laude talks about the different kinds of work
Lecture 23 Part 5: Dr. Laude talks about heat capacity as the fundmental constant for matter that defines the ability to store heat
Lecture 23 Part 6: Dr. Laude talks about the difference between open and closed calorimeters
Lecture 23 Part 7: Dr. Laude talks about how calorimeters with a little more sophistication as he explains heat capacity calculations
Lecture 23 Part 8: Dr. Laude introduces enthalpy (H) and explains why it is a peasurement of heat at constant pressure
Lecture 23 Part 9: Dr. Laude talks about why the change in H and E are often very similar in magnitude
Lecture 23 Part 10: Dr. Laude summarizes all the different ways we describe changes in enthalpy for chemical and physical processes
Lecture 23 Part 11: Dr. Laude talks about delta H and phase changes
Lecture 23 Part 12: Dr. Laude talks about heating curve calculations
Lecture 23 Part 13: : Dr. Laude talks about delta H associated with ionic compounds
Lecture 23 Part 14: Dr. Laude talks about delta H associated combustion reactions
Lecture 23 Part 15: Dr. Laude talks about delta H associated with heats of formation tables
Lecture 23 Part 16: Dr. Laude talks about delta H associated bond energies
Lecture 23 Part 17: Dr. Laude summarizes the lecture on internal energy
Lecture 24 Part 1: Dr. Laude reviews thermodynamics in preparation for a discussion of entropy
Lecture 24 Part 2: Dr. Laude talks about all the ways entropy has been presented within thermodynamics
Lecture 24 Part 3: Dr. Laude talks about the second law of thermodynamics and how it drives what happens
Lecture 24 Part 4: Dr. Laude introduces the definition of the change in entropy as a function of q and T
Lecture 24 Part 5: Dr. Laude does some calculations of entropy of the surroundings
Lecture 24 Part 6: Dr. Laude talks about the second law and how it explains ice melting
Lecture 24 Part 7: Dr. Laude talks about how ice melting and the second law parallels with the temperature dependence of delta G
Lecture 24 Part 8: Dr. Laude summarizes the two exothermic cases in which the entropy of the universe increases
Lecture 24 Part 9: Dr. Laude talks about endothermic reactions and how they can happen according to the second law
Lecture 24 Part 10: Dr. Laude sums up the second law of thermodynamics for different cases of entropy change in system and surroundings
Lecture 25 Part 1: Dr. Laude reviews free energy as an introduction to equilbrium
Lecture 25 Part 2: Dr. Laude talks the equilibrium constant, Keq
Lecture 25 Part 3: Dr. Laude talks about physical equilbrium as it applies to phase changes
Lecture 25 Part 4: Dr. Laude talks about delta G as the driving force toward equilbrium
Lecture 25 Part 5: Dr. Laude derives the free energy equation from the second law equation
Lecture 25 Part 6: Dr. Laude reviews the Gibb's free energy equation and when it is that reactions happens
Lecture 25 Part 7: Dr. Laude calculates the phase change temperature from delta S and delta H at equilbrium
Lecture 25 Part 8: Dr. Laude talks about how to find out if a compound is stable--using delta G formation to determine this
Lecture 25 Part 9: Dr. Laude talks about the kinetics of stability--labile versus non-labile compounds
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