percent composition

calculate percent composition of a substance

Image is of ancient cave drawing of two cows found in the Lascaux cave in France
// Tuesday, September 6, 2022 Melanie Harvey
The inaugural ChemEd X Journal Club Meeting was held virtually on April 7, 2022 to discuss the article, "Curricular Materials on the Chemistry of Pottery, Including Thermodynamic Calculations for Redox Reactions in the 3-Stage Firing Process of Athenian Black- and Red-Figure Vases Produced from the Sixth-Fourth Centuries BCE" (Journal of Chemical
round shape with capital letters spelling ASPIRIN within a notebook
// Monday, January 31, 2022 Nora Walsh
As chemistry teachers, we often think about how we can make our subject “real world” for our students. We want them to be able to connect concepts to their lives, as we know that this increases not only their interest in the course, but also engages their prior knowledge and increases their long term retention of the concepts.
students collecting data
// Wednesday, January 16, 2013 Deanna Cullen
Whenever possible, I try to begin a topic with something my students are familar with. For the introduction of Percent Composition in my general chemistry course, I brought in bags of Oreo cookies. Seeing the bags upon entering class was a great attention getter.