Chemistry 221 Video Lecture from November 4, 2024. This video covers material from Chapter 5 including exo- and endothermic reactions, q = mCdelT, heat capacit, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!저자 mike.russell@mhchem.org

Murphy & Shelby Guillotte needed a refuge after the unexpected death of their newborn son. Discover how “present” people helped them find shelter under the shadow of the wings of the God of mercy.저자 Madison Heights Church

Chemistry 221 Video Lecture from November 1, 2024. This video covers material from Chapter 4 Part II and Chapter 5 including titrations, the pH scale, thermodynamics and kinetics, endothermic and exothermic, the Joule, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.저자 Michael Russell

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.저자 Michael Russell

A screencast from Chapter 4 in CH 221 that introduces redox reactions as well as oxidation and reduction.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which looks at oxidation numbers and their use in redox reactions.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which offers tips on recognizing redox reactions.저자 Michael Russell

A screencast from Chapter 3 in CH 221 that introduces molarity and solution concentration.저자 Michael Russell

A screencast from Chapter 3 in CH 221 which examines how solutions can be prepared from dilution methods.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which examines the pH scale and solution stoichiometry.저자 Michael Russell

A screencast from Chapter 4 in CH 221 that examines titrations and their usefulness.저자 Michael Russell

A screencast from Chapter 5 in CH 221 which introduces energy from a chemistry perspective.저자 Michael Russell

A screencast from Chapter 5 in CH 221 that introduces Thermodynamics, the science of energy transfer.저자 Michael Russell

A screencast from Chapter 5 in CH 221 which looks at energy changes with no change of state - the q = mC(del)T equation저자 Michael Russell

A screencast from Chapter 5 in CH 221 which examines energy changes with a change of state.저자 Michael Russell

A screencast from Chapter 5 in CH 221 which introduces enthalpy, (del)H, Hess's Law and how they can assist the chemist.저자 Michael Russell

A screencast from Chapter 5 in CH 221 which looks at heat of formation values and Hess's Law.저자 Michael Russell

A screencast from Chapter 5 in CH 221 which continues to look at the utility of heats of formation for reactions.저자 Michael Russell

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.저자 Michael Russell

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.저자 Michael Russell

This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.저자 Michael Russell

This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.저자 Michael Russell

Chemistry 221 Video Lecture from October 30, 2024. This video covers material from Chapter 4 Part II including combustion reactions, redox reactions, molarity, preparing solutions, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!저자 mike.russell@mhchem.org

Chemistry 221 Video Lecture from October 28, 2024. This video covers material from Chapter 4 Part II including solubility, electrolytes, net ionic reactions, three types of reaction, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!저자 mike.russell@mhchem.org

Chemistry 221 Video Lecture from October 25, 2024. This video covers material from Chapter 4 Part I and Chapter 4 Part II including limiting reactants, EF and MF of organic substances with combustion, the definition of solvent, solute and solution, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.저자 Michael Russell

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which looks at the chemical reaction and the features of them.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which discusses techniques used to balance chemical reactions.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which looks at theoretical and actual yields (and percent yield as well!)저자 Michael Russell

A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis.저자 Michael Russell

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis.저자 Michael Russell

A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry.저자 Michael Russell

A screencast from Chapter 3 in CH 221 which introduces acids and bases in chemistry.저자 Michael Russell

A screencast from Chapter 4 in CH 221 that looks at net ionic reactions - the "action of the reaction" - as well as precipitation reactions.저자 Michael Russell

A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion reactions.저자 Michael Russell

This the Complete Lecture for Chapter 4 Part 1. This episode is part 1 of 2 episodes.저자 Michael Russell

This the Complete Lecture for Chapter 4 Part 1. This episode is part 2 of 2 episodes.저자 Michael Russell

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.저자 Michael Russell

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.저자 Michael Russell

Chemistry 221 Video Lecture from October 23, 2024. This video covers material from Chapter 4 Part I including balancing chemical reactions, theoretical yields, actual yields, percent yields, the 'grams-moles-moles-grams' dance, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

Chemistry 221 Video Lecture from October 21, 2024. This video covers Day 3 of an exam review for the upcoming Midterm Exam I. We also started to discuss Chapter 4 Part I including an introduction to chemical reactions and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

Chemistry 221 Video Lecture from October 18, 2024. This video covers Day 2 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!저자 mike.russell@mhchem.org

This video shows the Complete Lecture for the Exam I Review in CH 221.저자 Michael Russell

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.저자 Michael Russell

Chemistry 221 Video Lecture from October 16, 2024. This video covers Day 1 of an exam review for the upcoming Midterm Exam I. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!저자 mike.russell@mhchem.org

Chemistry 221 Video Lecture from October 14, 2024. This video covers material from Chapter 2 Part II of our textbook including percent composition ("percent by weight"), empirical formulas, molecular formulas and molar mass, and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…

Chemistry 221 Video Lecture from October 11, 2024. This video covers material from Chapter 2 Part II of our textbook including acids, bases, hydrated compounds, molar mass and molecules, percent composition ("percent by weight"), and more. CH 221 website: http://mhchem.org/221 Let me know if you have any questions! Peace!…