Classification of Matter and Idenitfication of chemical processes
author unknown
Reaction of magnesium with oxygen
sciencefix.com
https://www.youtube.com/watch?v=m2i9jLPXprQ
A short video that shows magnesium reacting with oxygen. A long explanation of how the reaction works follows the video.
Separation of sand and iron filings demonstration
Electrolysis of water
Electrolysis of water demonstration
A simple demonstration of the electrolysis of water using an 9 Volt battery, two thumbtacks, and test tubes. The water was dyed blue to better show the gas bubbles.
Author: Mr. Kish
Electrolysis of water (University of Oregon)
Decomposition of hydrogen peroxide
https://vimeo.com/460360485/b400dec7c0
Author: R. Leonard, M. Drecker, M., Detweiler; Department of Chemistry and Biochemistry, University of Oregon ©2020
Dissolving sodium chloride in water (temperature measurements)
https://vimeo.com/460361972/a4a4ccb050
Author: R. Leonard, M. Drecker, M. Detweiler; Department of Chemistry and Biochemistry, University of Oregon ©2020
Dissolving ammonium chloride in water (mass and temperature measurements)
https://vimeo.com/460361495/f0081a8e2c
Author: R. Leonard, M. Drecker, M. Detweiler; Department of Chemistry and Biochemistry, University of Oregon ©2020
Dissolving calcium chloride in water (temperature measurements)
https://vimeo.com/460795056/6e2a0b976a
Author: R. Leonard, M. Drecker, M. Detweiler; Department of Chemistry and Biochemistry, University of Oregon ©2020
Dissolving sucrose in water (temperature measurements)
https://vimeo.com/460795794/65a96e21d9
Author: R. Leonard, M. Drecker, M. Detweiler; Department of Chemistry and Biochemistry, University of Oregon ©2020
This activity is appropriate for one of the first activities for an introductory chemistry course or for the first laboratory experiment of a general chemistry course.
since this is a video and paper and pencil activity there are no safety precautions.