Temperature Effect on Reaction Rate
Description: The reaction between acid and thiosulfate, which produces a precipitate of sulfur is shown at two different temperatures. Sulfur appears faster at the higher temperature.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Hydrochloric acid, Sodium thiosulfate, Precipitation, Temperature, Kinetics
Rating: 
Hazard: Some
- Acute toxicity hazard
- Skin corrosion hazard
- Corrosive to metals
- Inhalation hazard
- Electric shock hazard
- Serious eye damage
Effectiveness: Average
- Results are observable with guidance
- Somewhat connected conceptually to course material
- Mild effects are seen by audience
- Time to results is medium
- System contrast is noticeable
Difficulty: Medium
- Procedures with some intermediate steps to results
- Reactions or demos at non-standard conditions
- Simple manipulations for most to perform
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Use UL approved three-prong plug and outlet
- Avoid exposure to mists and vapors
- Perform in a well-ventilated area
Class: Kinetics
Division: General
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