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Changes in Our World: Chemical and Physical (Screencast)

In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.

Subjects:

Chemistry

Keywords:

Chemical processes Chemical reactions Physical sciences

Resource Type:

Others
Others

Naming Compounds Containing Polyatomic Ions

Learners examine a table of common polyatomic ions. Eight examples are provided for practice.

Subjects:

Chemistry

Keywords:

Chemical processes Chemical reactions

Resource Type:

Others
Others

The Limiting Reagent in Chemical Reactions

In this interactive object, learners determine the limiting reagent and the excess reagent in chemical reactions. Learners test their knowledge by solving three problems.

Subjects:

Chemistry

Keywords:

Chemical processes Chemical reactions

Resource Type:

Others
Others

Energy in Chemical Reactions

In this animated and interactive object, learners examine kinetic and potential energy as well as the first law of thermodynamics and the flow of energy between a system and its surroundings. Students also answer questions about exothermic and endothermic reactions

Subjects:

Chemistry

Keywords:

Chemical processes Chemical reactions

Resource Type:

Others

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