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Dr. Miriam Douglass
Dr. Martin McClinton
In this interactive object, learners use the ideal gas law to solve a practice problem.
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.
Heat of Fusion and Heat of Vaporization
Learners examine graphs and read that the heat of fusion is the heat energy absorbed by one mole of solid as it is converted to liquid, while the heat of vaporization is the heat energy absorbed by one mole of liquid as it is converted to gas.
Macroscale vs. Nanoscale
By Karen Nordell
In this colorful, interactive object, learners examine how materials on the nanoscale compare with those on the macroscale. The focus is on the difference between macroscale and nanoscale gold in both color and melting point.
By Jill Larson
In this interactive object, students examine how the volume and temperature of an ideal gas relate under conditions of constant pressure and quantity.
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