solubility

The Density Bottle experiment has inspired many colorful variations over the years.^1-6 I recently came across yet another colorful variation that I’d like to discuss.

Imagine a classroom where the usual hum of lectures is replaced by excited chatter: "I hope I didn't get sodium again," one student mutters, while another laughs and says, "Bruh, there better be no nitrates between us!" This lively scene is all thanks to "Solubility Showdown," a brain break game I created to make solubility rules come alive for my stude

In “salting out” demonstrations, a mixture of water and an organic liquid separates into two layers upon addition of an inorganic salt.^1-4 Typically, acetone or various alcohols are used for the organic liquid, while NaCl, Na₂CO₃, or K₂CO₃ are used as the salt.

Co-Authored by James W. Webb and Otis Rothenberger Department of Chemistry, Illinois State University, Normal, IL

Do we all have a unit at the end of the semester that seems to change in depth every year, based on how the rest of the semester has shaken out? In my course progression, that unit is Reactions.

Solutions are all around us in life and chemistry class! Solution chemistry is a topic that connects to many other topics covered in the high school classroom. On February 10th, 2022, Kristen Vanderveen shared her unit covering solutions in this ChemBasics Talk. You can view a recording of her presentation below and access mater

The importance and difficulty of concepts of the electrolyte came home to me while I was helping a student. She was having difficulty with the idea of an electrolyte. Specifically, she 1) misapplied the maxim "Like dissolves like," and 2) could not distinguish between the terms "dissolve" and "dissociate". In my knowledgeable na

Co-Authored by Dean J. Campbell,* Bozana Lojpur,* and Rebecca Liu* *Bradley University, Peoria, Illinois