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# Equilibrium

## Explores what a chemical equilibrium is and the elements that define it.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Law of Mass Action - Overview

by CK-12 //basic
Overview
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## Ionic Equilibria - Overview

by CK-12 //basic
Overview
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## Law of Mass Action - Example 2

by CK-12 //basic
Writing equilibrium expressions for aqueous systems
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## Law of Mass Action - Example 3

by CK-12 //basic
Writing equilibrium expressions for gas phase systems
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## Law of Mass Action - Example 4

by CK-12 //basic
Writing equilibrium expressions for mixed-phase systems
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## Law of Mass Action - Example 5

by CK-12 //basic
Determining if forward or reverse reaction is favored
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## Law of Mass Action - Example 6

by CK-12 //basic
Finding Concentration of each substance at equilibrium
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## Law of Mass Action - Example 7

by CK-12 //basic
Converting between K[c] and K[p] for gas phase systems
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• Video

## Ionic Equilibria - Example 3

by CK-12 //basic
Solving problems involving the Common-Ion Effect
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## Law of Mass Action - Example 1

by CK-12 //basic
Describing dynamic equilibrium
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## Ionic Equilibria - Example 1

by CK-12 //basic
Determining Solubility product constant K[sp] based on solubility
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## Ionic Equilibria - Example 2

by CK-12 //basic
Finding Solubility based on K[sp]
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