upper-division undergraduate

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:

Co-Authored by Dean J. Campbell*, Rhiannon Davids*, Ian Smith,* and Karl Jung* *Bradley University, Peoria, Illinois

Abstract: This post describes a simple device used to demonstrate and clarify some challenging concepts in thermodynamics at the General Chemistry level.

An experiment that has always fascinated me is observing what happens when CO₂ is bubbled into limewater (which is a saturated solution of calcium hydroxide).^1-2 This experiment can be carried out by blowing bubbles of exhaled breath (which contains roughly 4% CO₂)³ through a straw into limewater.

Dean J. Campbell* *Bradley University, Peoria, Illinois

Lightning exhibits some of the most fascinating phenomena on planet Earth.

I recently had the opportunity to attend a conference of the Associated Chemistry Teachers of Texas (ACT2). I had  great time interacting with and learning from a whole bunch of wonderful chemical educators from the great state of Texas.