## CHEM 1100-General Chemistry II Podcasts

Since there is some course material overlap between CHEM 1090 and CHEM 1100, some podcasts will work for both courses. If you are viewing a podcast and you see “CHEM 1090" or “General Chemistry I" in the title, don’t panic! I’m using it for both courses.

### Registering and Basic Use of the McGraw-Hill Website

• Registering and Basic Navigation (11m21s, 12/28/2015)

The basics of registering on the site, initial web browser check (troubleshooting), and how to see assignment deadlines.

• LearnSmart Assignments (11m32s, 1/3/2016)

• Connect Assignments (8m58s, 1/2/2016)

### Lab

• Statistical Outliers and the Q Test (10m37s, 1/11/2016)

### Chapter 13-Physical Properties of Solutions

• Solution Units: Calculate the Molarity of an Ethylene Glycol Solution (4m53s, 12/27/2014)

• Solution Units: Calculate the Molality of an Ethylene Glycol Solution (4m23s, 12/27/2014)

• Solution Units: Convert from Mass Percent to Molality (6m8s, 12/28/2014)

• Solution Units: Convert from Mass Percent to Molarity (5m48s, 12/28/2014)

Make sure you've watched the previous podcasts on solution units before trying this one.

• Colligative Properties: Boiling Point Elevation (7m37s, 12/29/2014)

Make sure you've already watched the "Solution Units: Calculate the Molality of an Ethylene Glycol Solution" podcast.

• Colligative Properties: Freezing Point Depression (5m24s, 12/29/2014)

Make sure you've already watched the "Colligative Properties: Boiling Point Elevation" podcast.

• Boiling and Freezing Points: Aqueous Ethylene Glycol Solution Comparisons (6m12s, 12/30/2014)

This one discusses the results from the "Colligative Propertie: Boiling Point Elevation" and "Colligative Properties: Freezing Point Depression" podcasts.

• Colligative Properties: Van't Hoff Factor (11m41s, 12/31/2014)

• Colligative Properties: Relative Freezing Points and the Van't Hoff Factor (8m10s, 12/31/2014)

### Chapter 14-Chemical Kinetics

• Chemical Kinetics: Introduction to the Method of Initial Rates (6m32s, 1/10/2015)

• Chemical Kinetics: Method of Initial Rates-Example 1 (Part 1) (6m52s, 1/22/2015)

Sets up the problem and calculates the order of the reaction with respect to NO.

• Chemical Kinetics: Method of Initial Rates-Example 1 (Part 2) (4m42s, 1/11/2015)

Continues the problem by calculating the order with respect to hydrogen and writing the finished rate law.

• Chemical Kinetics: Method of Initial Rates-Example 1 (Part 3) (5m9s, 1/11/2015)

Finishes the problem by calculating the rate constant.

• Chemical Kinetics: Method of Initial Rates-Example 2 (10m14s, 1/11/2015)

Watch the "Chemical Kinetics: Introduction to the Method of Initial Rates" podcast before watching this one.

• The Rate Law: Using the Method of Initial Rates III (20m7s, 1/22/2010)

This is a more advanced problem and you should not attempt it until you’ve worked through the two previous podcasts.

• Chemical Kinetics: An Introduction to the Integrated Rate Law (12m13s, 1/19/2015)

• The Integrated Rate Law: Graphical Determination of Order-Example 1 (7m34s, 1/19/2015)

Watch the previous podcast that introduces the integrated rate law, first.

• The Integrated Rate Law: Graphical Determination of Order-Example 2 (5m16s, 1/19/2015)

Watch the previous podcast for the first example.

• The Integrated Rate Law: Graphical Determination of Order-Example 3 (4m43s, 1/19/2015)

Watch at least the first example before this one.

• The Integrated Rate Law: First Order Reactions-Calculating Reaction Time (5m46s, 1/22/2015)

A sucrose hydrolysis example.

• The Integrated Rate Law: First Order Reactions-Calculating the Final Amount (9m6s, 1/24/2015)

A radiocarbon example.

• The Integrated Rate Law: Second Order Reactions-Calculating the Final Concentration (5m26s, 1/24/2015)

Decomposition of hydrogen iodide.

• The Integrated Rate Law: An Introduction to Half-Life (8m13s, 1/25/2015)

• The Integrated Rate Law: Half-Life and First Order Reactions (4m35s, 3/24/2015)

Calculate the time for a hydrogen peroxide solution to decrease from 0.300 M to 0.150 M.

• The Integrated Rate Law: Half-Life and Second Order Reactions (3m48s, 3/25/2015)

Calculate the time for the concentration of hydrogen iodide to decrease from 0.400 M to 0.200 M.

• The Arrhenius Equation: Activation Energy (13m51s, 2/6/2010)

• Reaction Mechanisms (12m22s, 1/30/2011)

### Chapter 15-Chemical Equilibrium

• Chemical Equilibrium: An Introduction (10m8s, 2/7/2015)

• Chemical Equilibrium: An Introduction to the Equilibrium Equation (9m45s, 2/7/2015)

• Chemical Equilibrium: Reaction Progress (5m48s, 2/7/2015)

Looks at the magnitude of the equilibrium constant and what information we can get from it.

• Chemical Equilibrium: Calculating Equilibrium Values-Example 1 (10m40s, 2/7/2015)

Calculate the equilibrium concentrations using the reaction between water vapor and carbon monoxide to produce hydrogen and carbon dioxide gases (water-gas shift reaction).

• Chemical Equilibrium: Calculating Equilibrium Values-Example 2 (7m31s, 2/7/2015)

• Chemical Equilibrium: Calculating Equilibrium Values-Example 3 (6m57s, 2/8/2015)

• Chemical Equilibrium: Calculating Equilibrium Values-Example 4 (9m42s, 2/8/2015)

Equilibrium between nitrogen dioxide and dinitrogen tetraoxide without mathematical simplifications.

• Chemical Equilibrium: Calculating Equilibrium Values-Example 4 (Continued) (2m35s, 2/12/2012)

• The Method of Successive Approximations (13m9s, 2/11/2012)

• The Method of Successive Approximations (Continued) (2m34s, 2/11/2012)

### Chapter 16-Acids and Bases

• Calculating pH: Strong Acids (6m45s, 2/11/2011)

• Calculating pH: Strong Bases (3m54s, 2/11/2011)

• Calculating pH: Weak Acids (12m41s, 2/15/2011)

I demonstrate an approximation technique that we will use often for calculations involving weak acids and bases.

• Calculating pH: Weak Bases (12m41s, 2/15/2011)

• Calculating pH: Difficulties With Approximations (10m30s, 2/17/2011)

The accuracy of the approximation technique depends upon acid/base strength and the initial concentration. I vary both in order to demonstrate how to determine when it’s appropriate to use the approximation technique.

• Calculating pH: Polyprotic Acids (17m48s, 2/17/2010)

### Chapter 17-Acid-Base Equilibria and Solubility Equilibria

• Calculating pH: Buffer Solutions (10m56s, 2/21/2010)

• Acid-Base Titration Curves: Introduction (4m52s, 2/28/2015)

• A Strong Acid-Strong Base Titration: Before the Titration Begins: Point A (3m55s, 2/28/2015)

• A Strong Acid-Strong Base Titration: After Addition of 12.50 mL NaOH: Point B (8m24s, 3/1/2015)

• Titration of a Strong Acid With a Strong Base: Point C 25.00 mL NaOH Added (Equivalence Point) (8m12s, 2/22/2011)

• Titration of a Strong Acid With a Strong Base: Point D 35.00 mL NaOH Added (4m23s, 2/22/2011)

• Titration of a Strong Acid With a Strong Base: Point F 24.90 mL NaOH Added (Includes a Summary) (6m5s, 2/23/2011)

• A Weak Acid-Strong Base Titration: Before the Titration Begins: Point A (4m39s, 3/1/2015)

• A Weak Acid-Strong Base Titration: After Addition of 12.50 mL NaOH: Point B (11m44s, 3/1/2015)

• Titration of a Weak Acid With a Strong Base: Point C 25.00 mL NaOH Added (Equivalence Point) (9m43s, 2/27/2011)

• Titration of a Weak Acid With a Strong Base: Point D 35.00 mL NaOH Added (5m33s, 2/28/2011)

• Titration of a Weak Acid With a Strong Base: Point F 24.90 mL NaOH Added (Includes a Summary) (11m34s, 3/1/2011)

• A Comparison of Strong and Weak Titration Curves (6m17s, 3/22/2011)

• Solubility Product: Calculate K_{sp} for AgCl from Solubility Data (6m49s, 2/24/2011)

• Solubility Product: Molar Solubility (6m55s, 2/27/2011)

• Solubility Product: Solubility and K_{sp} Comparisons (6m31s, 2/27/2011)

• Solubility Product: Common Ion Effect and K_{sp} (6m9s, 2/27/2011)

• Solubility Product: The Solubility Product and Precipitation (6m36s, 2/24/2017)

• Solubility Product: Precipitation (7m40s, 2/26/2017)

### Chapter 18-Entropy, Free Energy, and Equilibrium

• Standard Enthalpy of Reaction (5m2s, 3/6/2011)

• Standard Entropy of Reaction (3m48s, 3/7/2011)

• Standard Free Energy of Reaction I (Uses the Mathematical Definition of Free Energy) (3m41s, 3/6/2011)

• Standard Free Energy of Reaction II (3m7s, 3/7/2011)

• Temperature and Spontaneity (7m21s, 3/7/2011)

• Free Energy and the Equilibrium Constant II (9m11s, 3/6/2011)

### Chapter 11-Intermolecular Forces and the Physical Properties of Liquids and Solids

### Chapter 19-Electrochemistry

• Balancing Redox Reactions: Acidic Solutions (16m30s, 3/24/2010)

• Balancing Redox Reactions: Basic Solutions (13m52s, 3/24/2010)

• A Copper-Zinc Galvanic Cell (13m28s, 12/31/2011)

• Ion Movement in Galvanic Cells (5m19s, 12/31/2011)

• A Copper-Silver Galvanic Cell (8m35s, 12/31/2011)

• The Standard Hydrogen Electrode (10m23s, 12/31/2011)

• Standard Reduction Potentials (12m23s, 1/2/2012)

• Spontaneity and Standard Reduction Potentials (13m41s, 3/29/2010)

• Standard Reduction Potentials-The DMFC (9m42s, 6/6/2010)