Chemistry Lab/Equilibrium

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This page is related to the 2013 focus on Equilibrium for Chem Lab.

Basic Information

The term "equilibrium" in chemistry refers to the ability of a reaction to proceed in either direction. When a balance between reactants and products is met, the equation is said to be in equilibrium. The ratio of reactants to products at equilibrium can be defined as a constant, generally k.

The Equilibrium Constant

LeChatelier's Principle

LeChatelier's principle says that changes in the system that an equilibrium reaction occurs in will cause a change in the overall equilibrium. Examples of these changes can include volume, temperature, pressure, or concentration.

Solving Equilibrium Problems

Application to Acids and Bases

When weak acids and/or bases are combined, the reaction that results is an equilibrium reaction. Through a process called titration, you can find the equilibrium constant of the weak substances.

External Links

Wikipedia page on chemical equilibrium
Brief explanation of equilibrium