A podcast supporting the chemistry students of Dr. Michael Russell at Mt. Hood Community College in Gresham, Oregon, USA.

Welcome to Chemistry 223 with Dr. Michael Russell!

Welcome! This is a video to help students get started in Dr. Russell's chemistry classes at Mt. Hood Community College in Gresham, Oregon, USA. Website: http://mhchem.org Let me know if you have any questions! Peace!

This is the video introduction to Chapter Guide Four for Chemistry 223.

A screencast from Chapter 12 in CH 223 entitled “Spontaneity”

A screencast from Chapter 12 in CH 223 entitled “Probability of Spontaneity”

A screencast from Chapter 12 in CH 223 entitled “Entropy”

A screencast from Chapter 12 in CH 223 entitled “Entropy and Enthalpy”

A screencast from Chapter 12 in CH 223 entitled “The Second Law of Thermodynamics”

A screencast from Chapter 12 in CH 223 entitled “Gibbs Free Energy”

This the Complete Lecture for Chapter 12. This episode is part 1 of 2 episodes.

Chemistry 222 Video Lecture from March 13, 2026. This video covers Day 2 of an Exam Review for the upcoming Lecture Final Exam. Also some student presentations were given at the beginning of class. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from March 11, 2026. This video covers Day 1 of an Exam Review for the upcoming Lecture Final Exam. Also some student presentations were given at the beginning of class. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from March 9, 2026. This video covers material from Chapter 20 including fission, issues with nuclear fission, Lise Meitner and Glenn Seaborg, uses for nuclear energy and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from March 6, 2026. This video covers material from Chapter 20 including nuclear 'particles', balancing nuclear reactions, fusion, fission, and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

A screencast from Chapter 17 in CH 222 entitled “The Reaction Rate”

A screencast from Chapter 17 in CH 222 entitled “Factors Affecting Reaction Rates”

A screencast from Chapter 17 in CH 222 entitled “The Rate Law and Orders of Reaction”

A screencast from Chapter 17 in CH 222 entitled “The Integrated Raw Laws”

A screencast from Chapter 17 in CH 222 entitled “Half-Life”

A screencast from Chapter 17 in CH 222 entitled “Collision Theory and Activation Energy”

A screencast from Chapter 17 in CH 222 entitled “Mechanisms”

This the Complete Lecture for Chapter 17. This episode is part 1 of 2 episodes.

A screencast from Chapter 20 in CH 222 entitled “A Review of the Nucleus”

A screencast from Chapter 20 in CH 222 entitled “Forces in the Nucleus”

A screencast from Chapter 20 in CH 222 entitled “Nuclear Binding Energy”

A screencast from Chapter 20 in CH 222 entitled “Balancing Nuclear Reactions”

This the Complete Lecture for Chapter 20. This episode is part 1 of 2 episodes.

Chemistry 222 Video Lecture from March 4, 2026. This video covers material from Chapter 20 including a review of the nucleus, nuclear binding energy, islands of instability (and the peninsula of stability), types of radioactive 'particles', anti-matter and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from March 2, 2026. This video covers material from Chapter 17 including the Arrhenius equation, reaction mechanisms, equilibrium constants, catalysis and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 27, 2026. This video covers material from Chapter 17 including half life, half life and the integrated first order rate law, activation energy, collision theory, and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 25, 2026. This video covers material from Chapter 17 including rate orders, finding the rate constant, k; the integrated first order rate law, graphing and the rate laws, half-life, and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 23, 2026. This video covers material from Chapter 17 including an overview of kinetics, rates in chemistry, describing rates in chemistry, factors that affect rates, and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 20, 2026. This video covers Day 3 of an Exam Review for the upcoming second midterm exam. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 18, 2026. This video covers Day 2 of an Exam Review for the upcoming second midterm exam. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 16, 2026. This video covers material from Chapter 11 including osmosis, colloids, suspensions, and more. We also started an Exam Review for the upcoming second midterm exam. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 13, 2026. This video covers material from Chapter 11 including Raoul's law (vapor pressure lowering), boiling point elevation, freezing point lowering, molar mass using boiling point elevation and freezing point lowering, and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

A screencast from Chapter 11 in CH 222 entitled “Solutions and Electrolytes”

A screencast from Chapter 11 in CH 222 entitled “Solubility and Solutions / Henry's Law”

A screencast from Chapter 11 in CH 222 entitled “Colligative Concentration Units”

A screencast from Chapter 11 in CH 222 entitled “Raoult's Law”

A screencast from Chapter 11 in CH 222 entitled “Boiling Point Elevation and Freezing Point Depression”

This the Complete Lecture for Chapter 11. This episode is part 1 of 2 episodes.

Chemistry 222 Video Lecture from February 11, 2026. This video covers material from Chapter 11 including gases in liquids (Henrys law), liquids in liquids, saturated and unsaturated, the colligative properties, mole fraction, mass percent, molality, molarity and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 9, 2026. This video covers material from Chapter 10 and Chapter 11 including metallic unit cells, types of ion lattices, an overview of solubility and electrolytes, and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

Chemistry 222 Video Lecture from February 6, 2026. This video covers material from Chapter 10 including transition phases, phase diagrams, triple point and critical point, solids, unit cells, differences between sc, bcc and fcc; and more. CH 222 website: https://mhchem.org/222 Let me know if you have any questions! Peace!

A screencast from Chapter 10 in CH 222 entitled “Introducing Intermolecular (IM) Forces”

A screencast from Chapter 10 in CH 222 entitled “Dipole-dipole and Hydrogen Bonds”

A screencast from Chapter 10 in CH 222 entitled “The Induced Dipole Force”

A screencast from Chapter 10 in CH 222 entitled “Liquids and Vapor Pressure”

A screencast from Chapter 10 in CH 222 entitled “Phase Transitions”

A screencast from Chapter 10 in CH 222 entitled “Phase Diagrams”