Electrical Conductivity of Liquids and Solutions
Lecture Size Breath Alcohol Test
Reaction of Potassium Metal with Bromine
Reduction of Copper Oxide by Hydrogen
Using Large Glass Cylinders to Demonstrate Precipitation Reactions
Coin-Operated Red, White, and Blue Fountain: Reaction of Nitric Acid and Copper
Conductivity of Acetic Acid – Water Mixtures
Effect of Ion-Exchange Resin on Conductivity
Oxidation of Chloride Ion by Permanganate
Silver Tree
Description: A copper sheet in the shape of a Christmas tree is placed in a solution of silver nitrate. The silver is spontaneously reduced on the copper to form silver crystals.
Source: UW Card Catalog
Year: N/A Vol. N/A Page: N/A
Keywords: Copper tree, Silver nitrate, Redox, Silver, Spontaneous
Rating:
Hazard: Medium
- Acute toxicity hazard – oral, dermal
- Aquatic toxicity hazard
- Electric shock hazard
- Serious eye damage
- Corrosive to metals
- Oxidizer
Effectiveness: Good
- Good connection from demo to course material
- Results are observable without guidance
- High reliability
- Time to results is high
- Mild effects are seen by audience
Difficulty: Low
- Simple manipulations for most to perform
- Single step procedures
- Demos in which a display is used
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Use of UL approved three-prong plug and outlet if video feed is used
- Prevent release of reagents to the environment
- Avoid exposure to droplets, mists or vapors
Class: Redox Reaction, Electrochemistry
Division: General Chemistry, Inorganic Chemistry
The demonstration Silver Tree may be found under Electrochemistry- Silver Tree.
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