Chemistry 221 Video Lecture from October 27, 2017 covering material from Chapter 4 part I of our textbook including stoichiometry, limiting reactants, Exam I results and more. https://mhchem.org/221/classroom/zAudio/102717Chemistry221VideoLecture.m4v

Chemistry 221 Audio Lecture from October 27, 2017 covering material from Chapter 4 part I of our textbook including stoichiometry, limiting reactants, Exam I results and more. https://mhchem.org/221/classroom/zAudio/102717Chemistry221AudioLecture.mp3

A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion reactions. https://mhchem.org/221/classroom/zAudio/Ch05ABGFCombRxn.mp4

A screencast from Chapter 4 in CH 221 that looks at net ionic reactions - the "action of the reaction" - as well as precipitation reactions. https://mhchem.org/221/classroom/zAudio/Ch05NetIonicPPTRxn.mp4

A screencast from Chapter 3 in CH 221 which examines acids and bases in greater detail. https://mhchem.org/221/classroom/zAudio/Ch05AcidsBases.mp4

A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry. https://mhchem.org/221/classroom/zAudio/Ch05SolutionsIntro.mp4

A screencast from Chapter 4 in CH 221 which looks at percent composition and how the chemical reaction can assist in its determination. https://mhchem.org/221/classroom/zAudio/Ch04MassPercent.mp4

A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry. https://mhchem.org/221/classroom/zAudio/Ch04LimReac.mp4

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis. https://mhchem.org/221/classroom/zAudio/Ch04EFCHO.mp4

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis. https://mhchem.org/221/classroom/zAudio/Ch04HydrocarbonEF.mp4