Hon Chemistry 11-30-23 Describing Chemical Reactions

HON CHEMISTRY: So tell me again – how do you know if a chemical reaction has occurred? And how could you record that for someone? Here’s the lecture from today on writing balanced chemical equations.

Here’s another hint – it’s not necessarily a good idea to try to make your own blue flame thrower! Click here to watch the Periodic Videos Blue Flame Thrower Video

Photo credit: Periodic Videos Blue Flame Thrower Video

Chemistry 11-30-23 Moles, Mass, Atoms & Avogadro

CHEMISTRY: So… how big a bucket do you think we’d need to hold a mole of frogs? 🙂

Nope, not the furry brown creature that burrows underground, it’s a whole different thing! Here’s our discussion from Thursday on moles, mass, and Avogadro’s number. I still say he has a cool name… 🙂

HOMEWORK INFO: Do all the parts on the homework except only do b & c on the problems.

flickr photo by Thomas Hawk