Kinetics- Temperature Effect on Reaction Rate

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