Curated OER
Law of Conservation of Mass
Extremely short, this video is a computer animation of a double-pan balance with zinc and sulfur atoms on each side. The synthesis reaction between the two occurs, with the new zinc sulfide molecules. The balance is still balanced. This...
Curated OER
Chemistry Concepts: Conservation of Mass
There is no narration in this video, just footage of a hand performing a chemical reaction set to magic-show-style music. Starting mass is shown in text. Solutions are mixed so that a precipitate forms, and then ending mass is shown....