Equilibrium

Gases -- Equilibrium vs. Pressure
Description: Gases -- Equilibrium vs. Pressure
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Equilibrium and Changes of State
Equilibrium can be defined as a dynamic condition in which two opposing changes occur at equal rates in a closed system.

In a closed system, matter cannot enter or leave, but energy can. For example, energy can be added to a closed system in the form of heat or ice can be added to cause energy to leave a system.

Equilibrium is a very important chemical concept and we will study its relationship to changes of state (i.e. -- liquid, gas, or solid).
States of Matter Overview

Physical and Chemical Changes -- Laboratory Exploration and Review

Chemical Equilibrium Practice Standardized Test

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