A screencast from Chapter 14 in CH 223 which introduces the Common Ion Effect, a special application of Le Chatelier's Principle. https://mhchem.org/223/classroom/zAudio/Ch18IaCommonIon.mp4

A screencast from Chapter 14 in CH 223 which discusses buffers, solutions which resist changes in pH, and how to utilize them in the laboratory. https://mhchem.org/223/classroom/zAudio/Ch18IbBuffers.mp4

A screencast from Chapter 14 in CH 223 which introduces the Henderson-Hasselbalch equation, which is arguably the most important equation of CH 223. https://mhchem.org/223/classroom/zAudio/Ch18IcBuffersHHEq.mp4

A screencast from Chapter 14 in CH 223 which looks at the calculations used to apply to titrations. https://mhchem.org/223/classroom/zAudio/Ch18IdTitCalcIntro.mp4

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a SA+SB and SB+SA titration. https://mhchem.org/223/classroom/zAudio/Ch18IeTitCalcSASB.mp4

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a WA+SB and WB+SA titration. https://mhchem.org/223/classroom/zAudio/Ch18IfTitCalcWAWB.mp4

This is a lab video which shows how to use the hot plate with the stirring function. We shall be using them in the upcoming "Introduction to Acids and Bases" lab. https://mhchem.org/223/classroom/zAudio/HotPlate_2.mp4

Chemistry 223 Video Lecture from April 18, 2018 covering material from Chapter 14 Part II of our textbook including buffers, the common ion effect, the Henderson-Hasselbalch equation, and more. https://mhchem.org/223/classroom/zAudio/041818Chemistry223VideoLecture.m4v

Chemistry 223 Audio Lecture from April 18, 2018 covering material from Chapter 14 Part II of our textbook including buffers, the common ion effect, the Henderson-Hasselbalch equation, and more. https://mhchem.org/223/classroom/zAudio/041818Chemistry223AudioLecture.mp3

Chemistry 223 Video Lecture from April 16, 2018 covering material from Chapter 14 Part I and Part II of our textbook including complex ions, formation constants, acid base titrations, and more. https://mhchem.org/223/classroom/zAudio/041618Chemistry223VideoLecture.m4v