Acid-Base Reactions (Screencast)

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.

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Biomolecules: The Carbohydrates (Video)

By Becky Polk-Pohlman

Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.

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Oxidation States of Ions

By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton

Learners examine the periodic table to identify metallic elements that have either fixed or variable oxidation states.

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Naming Binary Ionic Compounds Containing Variable Oxidation State Cations (Screencast)

By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton

Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.

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110

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Conversion Between Mass and Moles of an Element (Screencast)

By Dr. Miriam Douglass, Dr. Martin McClinton

Atomic weights are used to convert the mass of a sample into the number of moles of the element in the sample and vice versa. Four examples are provided for practice.

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