Running A Clock with Zn/Ag Couple
Description: Two standard half-cells, Ag/1M Ag(NO3)//1M Zn(NO3)2/Zn, are connected with a salt bridge. This couple will run a clock.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Silver, Zinc, Electrochemistry, Work, Electric chemical cell
Rating: 
Hazard: Some
- Acute toxicity hazard – dermal, oral
- Chronic toxicity hazard
- Aquatic toxicity hazard
- Serious eye damage
- Skin corrosion hazard
- Inhalation hazard
- Oxidizer
Effectiveness: Good
- Good connection from demo to course material
- Results are observable with guidance
- Clear contrast between behavior of systems
- High reliability
- Time to results is low
Difficulty: Medium
- Some concerted or timed manipulations
- Procedures with some intermediate steps to results
- Polarity dependent
- Demos in which a display or instrument is used
- Manipulations are simple for most to perform
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Avoid exposure to mists, vapors or droplets
- Perform in a well-ventilated area
- Prevent release of reagents to the environment
Class: Electrochemistry
Division: General Chemistry
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