first-year undergraduate

I teach an introductory college chemistry course for non-science majors called Chemistry of Everyday Things. Most of my students have little prior science experience, and they often begin the course intimidated by chemistry.

The conversion of adenosine triphosphate (ATP) into adenosine diphosphate (ADP) is an extremely important energy source for living organisms. Under common physiological conditions, it can be expressed as:

The disappearing rainbow¹ is a wonderful chemistry demonstration previously featured here on ChemEdX.^2-4 In this experiment, a colorless solution of NaOH is poured into a row of flasks, each containing a different acid–base indicator.

Dean Campbell*, Ali Patel, Kathryn Campbell *Bradley University, Peoria, Illinois

The purpose of this article is to show how a microtitration can introduce Honors Chemistry students to titrations.

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.

Dean J. Campbell* *Mund-Lagowski Department of Chemistry and Biochemistry, Bradley University, Peoria, Illinois 61625, United States