A podcast supporting the chemistry students of Dr. Michael Russell at Mt. Hood Community College in Gresham, Oregon, USA.
Chemistry 223 Video Lecture from April 17, 2026. This video covers material from Chapter 14 including buffers, buffer composition, pH changes with buffers, the Henderson-Hasselbalch equation and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
A screencast from Chapter 14 in CH 223 entitled “Bronsted Acid-Base Theory”
A screencast from Chapter 14 in CH 223 entitled “Autoionization, Acids, Bases”
A screencast from Chapter 14 in CH 223 entitled “pH and pOH”
A screencast from Chapter 14 in CH 223 entitled “Acid and Base Strength”
A screencast from Chapter 14 in CH 223 entitled “Calculations with Acids”
A screencast from Chapter 14 in CH 223 entitled “Calculations with Bases”
A screencast from Chapter 14 in CH 223 entitled “Mixing Acids and Bases / Salts”
A screencast from Chapter 14 in CH 223 entitled “Polyprotic acids, Hydrolysis of Metals”
A screencast from Chapter 14 in CH 223 entitled “Buffers”
A screencast from Chapter 14 in CH 223 entitled “The Henderson-Hasselbalch Equation”
A screencast from Chapter 14 in CH 223 entitled “Preparing a Buffer”
A screencast from Chapter 14 in CH 223 entitled “Titrations (Strong Acid + Strong Base)”
This the Complete Lecture for Chapter 14. This episode is part 1 of 2 episodes.
Chemistry 223 Video Lecture from April 15, 2026. This video covers material from Chapter 14 including strengths of acids and bases using Ka and Kb; pH calculations with weak acids and weak bases; pH of salt solutions; equimolar acid and base pH ranges; polyprotic acids and bases; and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
Chemistry 223 Video Lecture from April 13, 2026. This video covers material from Chapter 14 including acid and base concentrations from Kw; pH and pOH calculations and meaning; Ka (and pKa) and Kb (and pKb); and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
Chemistry 223 Video Lecture from April 10, 2026. This video covers material from Chapter 13 and Chapter 14 including more on Le Chatelier's Principle, acid and base definitions, conjugate acids and bases, Kw, strong versus weak acids and bases, and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
A screencast from Chapter 13 in CH 223 entitled “An Introduction to Equilibrium”
A screencast from Chapter 13 in CH 223 entitled “The Equilibrium Constant”
A screencast from Chapter 13 in CH 223 entitled “Kp Expressions”
A screencast from Chapter 13 in CH 223 entitled “The Meaning of K”
A screencast from Chapter 13 in CH 223 entitled “Equilibrium Calculations”
A screencast from Chapter 13 in CH 223 entitled “Le Chatelier's Principle”
This the Complete Lecture for Chapter 13. This episode is part 1 of 2 episodes.
Chemistry 223 Video Lecture from April 8, 2026. This video covers material from Chapter 13 including the meaning of K, product (right) and reactant (left) shifts, Q vs K, Le Chatelier's Principle, and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
Chemistry 223 Video Lecture from April 6, 2026. This video covers material from Chapter 13 including the concept of equilibrium, ICE tables, calculating K, manipulating K expressions, Kc and Kp, and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
Chemistry 223 Video Lecture from April 3, 2026. This video covers material from Chapter 12 including Gibbs energy, the Gibbs equation, methods to predict the signs of delG, delH and delS; enthalpy driven and entropy driven reactions; threshold temperatures; and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
Chemistry 223 Video Lecture from April 1, 2026. This video covers material from Chapter 12 including entropy, trends in values of entropy, calculating delS and delH for reactions, the second and third laws of thermodynamics, finding delS of the universe for a reaction and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
Chemistry 223 Video Lecture from March 30, 2026. This video covers material from Chapter 12 including an overview of kinetics and thermodynamics (from CH 221 and CH 222), spontaneity in chemistry, probability and spontaneity, entropy and more. CH 223 website: https://mhchem.org/223 Let me know if you have any questions! Peace!
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.
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