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.
Common Types of Oxidation-Reduction Reactions
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners identify combination, decomposition, displacement, and combustion types of redox reactions. They also watch a video clip that demonstrates the reaction of sodium and water.
By Dr. Miriam Douglass
In this interactive object, learners calculate the amount of heat evolved or absorbed in chemical reactions. Four practice problems are provided.
Naming Binary Ionic Compounds Containing Variable Oxidation State Cations (Screencast)
Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.
Changes in Our World: Chemical and Physical (Screencast)
By Deb Simonson
In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.
Determining Empirical and Molecular Formulas
Learners follow a four-step process to determine the empirical formula of a compound from the masses of its constituent elements. The molecular formula is determined in a fifth step using the molecular weight of the compound.
Newton's Second Law of Motion
By Kim Ristow
In this learning activity you'll examine force, mass, and acceleration to understand this "Law of Acceleration."
Mass Versus Weight
In this learning activity you'll explore the difference between mass and weight.
Newton's Second Law of Motion - Video
Reading a Triple Beam Balance
By Jill Crowder
Students identify the parts of a triple beam balance and practice measuring the mass of objects.
EOC Chemistry Semester 1 Final Review 3
This crossword covers terms for Essentials of Chemistry semester 1
Review of Measurement
Test your knowledge of measurement by answers the questions!
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