Dr. Miriam Douglass
Dr. Martin McClinton
Learners examine how chemists use moles to "count" atoms by weight. Examples are given.
By Jill Larson
In this animated object, students examine the role equilibrium plays in everyday life. Formulas are presented in an interactive way.
Ideal Gas Law
By Dr. Miriam Douglass, Dr. Martin McClinton
In this interactive object, learners use the ideal gas law to solve a practice problem.
pH and Its Basic Principles
By Joan Kornitz
In this animated object, learners view hydrogen and hydroxide ions in a solution. A brief quiz on the basic principles of the term pH completes the activity.
Conversion Between Mass and Moles of an Element
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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