Chemistry 11-11-14 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 the lecture from Tuesday on moles, mass, and Avogadro’s number. I still say he has a cool name…

Homework clarification: Pg. 86 – 88: 12 – 16 ALL; AND b & c only on17, 18, 21 – 24, 28

CHEMISTRY 11-11-14 Moles, Mass, Atoms & Avogadro from Tammy Skinner on Vimeo.

flickr photo by Thomas Hawk

Physics 11-11-14 Net Vertical Force (and problem #52)

PHYSICS: Great job with net vertical force! Don’t you think it’s the same as horizontal – just turned 90 degrees?

And I still don’t know what’s so funny about a fish in an elevator??
🙂

PHYSICS 11-11-14 Net Vertical Force from Tammy Skinner on Vimeo.

flickr photo by Elisa Dudnikova