Laboratory techniques
Not Voodoo X.4 (Demystifying Synthetic Organic Chemistry)
MIT Digital Laboratory Techniques Manual
Chemistry Laboratory techniques (MIT OCW)
Chemistry LibreTexts (Organic Chemistry Lab Techniques)
Chemistry LibreTexts (How to be a Successful Organic Chemist)
Purdue University (Science Express Equipment How-to videos)
Laboratory experiments
General chemistry
Laboratory Chemistry (MIT OCW)
Purdue University (Chemistry Lab Experiments)
Organic chemistry
Organic Synthesis Laboratory (MIT OCW)
Biochemistry
Biochemistry Laboratory (MIT OCW)