CHE 401.05
Advanced Chemistry Demonstrations: Redox, Electrochemistry, and Solutions


Preview of Oxidation States

Oxidation States

Oxidation states may be “imaginary charges” for electron bookkeeping, but they provide a “real” way to identify the changes taking place in redox reactions.

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Preview of Saturated, Unsaturated, and Supersaturated Solutions

Saturated, Unsaturated, and Supersaturated Solutions

A saturated solution contains the maximum amount of solute that will dissolve at a particular temperature. How and why can you prepare a supersaturated solution? What factors affect solution formation?

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Preview of Voltaic Cells

Voltaic Cells

In a voltaic or galvanic cell, the flow of electrons accompanying a spontaneous oxidation–reduction reaction occurs via an external pathway. That’s electricity!

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Preview of Solubility Equilibria

Solubility Equilibria

Explore the dynamic nature and balance of solution formation and crystallization.

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Preview of Copper, Silver and Gold Redox Reactions

Copper, Silver and Gold Redox Reactions

Redox reactions produce some elegant chemistry! What else would you expect from copper, silver, and gold?

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Preview of Electrolysis of Water

Electrolysis of Water

In electrolysis, electricity from an external source is used to “force” a non-spontaneous chemical reaction to occur. What reaction takes place when an electric current flows through water?

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Preview of Electrolysis Reactions

Electrolysis Reactions

Electrolysis of water normally produces hydrogen and oxygen. What happens if the electrolyte contains ions that are more easily oxidized or more easily reduced than water molecules?

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Preview of Activity Series of Metals

Activity Series of Metals

Compare the ease of oxidation and relative reactivity of different metals.

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Preview of Precipitation Reactions and Solubility Rules

Precipitation Reactions and Solubility Rules

Don’t memorize the rules! Discover and experience the solubility rules for ionic compounds by observing double–replacement precipitation reactions for a wide variety of solutes and solutions.

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Preview of Properties of Ammonia

Properties of Ammonia

Ammonia is extremely soluble in water—more than 400 liters of ammonia will dissolve in one liter of water—and it is a weak base.

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Preview of Concentration of Solutions

Concentration of Solutions

Understanding the terms and knowing how to analyze the concentrations of solutions are important skills for the chemistry laboratory.

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