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In this interactive object, learners examine how to properly dilute hydrochloric acid.
The Three States of Matter
By Dr. Miriam Douglass, Dr. Martin McClinton
In this animated and interactive object, learners examine the properties of liquids, solids, and gases.
How Pressure Changes Boiling Temperature
By Terry Bartelt, Terry Fleischman
Learners study the effect that pressure has on boiling temperatures. Once a liquid has reached a full boil, additional heat does not raise the liquid’s temperature; however, pressure can vary the boiling point of a liquid. A brief quiz completes the activity.
Naming Compounds Containing Polyatomic Ions
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine a table of common polyatomic ions. Eight examples are provided for practice.
The Hydrogen Bond
By Jill Larson
In this interactive object, students examine a type of chemical bond known as the "hydrogen bond."
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