Chemistry 4-5-11 Molecular Formulas

CHEMISTRY: Hey guys! Awesome job with empirical formulas, and now you’ve conquered writing molecular formulas! It’s just like writing empirical formulas, but with a twist at the end! By the way, if you’d like some practice or if you have questions – help session Thursday morning, 7:15 A.M. 🙂


flickr photo by Sebastian Mary

Hon Chemistry 4-5-11 Describing Chemical Reactions

HON CHEMISTRY: So tell me again – how do you know if a chemical reaction has occurred? Here’s the lecture from Tuesday the evidences of a chemical change and the intro to balancing chemical equations.