Dr. Miriam Douglass
Dr. Martin McClinton
Learners examine the meaning of theoretical yield, actual yield, and percent yield. They test their knowledge by solving two problems.
By Dr. Miriam Douglass, Dr. Martin McClinton
Learners view several movie clips that demonstrate the use of an indicator to follow the neutralization reaction that occurs when an acid and a base are mixed. Students test their knowledge in a series of questions. Immediate feedback is given.
Shapes of Simple Molecules - Part 1
In this animated and interactive object, learners observe how two, three, or four groups of electrons around the central atom cause the shape of the molecule to be linear, trigonal planar, bent, tetrahedral, or pyramidal. Seven examples and eight interactive questions are provided.
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine phase diagrams that show the phases of solid, liquid, and gas as well as the triple point and critical point.
Calculating Gas Density from Standard Molar Volume
By Dr. Miriam Douglass
Learners calculate gas density from the standard molar volume and observe how the density increases with the increasing molecular weight of the gas.
All about photosynthesis.
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