Kinetics- Temperature Effect on Reaction Rate

Briggs-Rauscher Reaction

Burning Rate Depends on Oxygen Concentration

Chemical Genie in a Bottle

Iodine Clock Reaction

Kinetics of Crystal Violet

Kinetics of the Decomposition of Hydrogen Peroxide by Permanganate

Kinetics of Oxidation of Iodide Ion by Peroxide

Light Sticks

Reaction Rate Depends on Particle Size

Visible Reactive Intermediate

Autocatalysis of Oxalate Ion With Permanganate

Catalytic Combustor

Catalytic Decomposition of Hydrogen Peroxide

Elephant’s Toothpaste

Explosions of Lycopodium and Other Powders

Medicine Cabinet Kinetics

Old Nassau: The Landolt Reaction With Mercury Indicator

Traveling Waves of Color

Catalytic Oxidation of Ammonia

Ignition of Hydrogen on a Platinum Catalyst

Slow Decolorization of Permanganate by Ethanol

Temperature Effect on Reaction Rate

CMW Two Stage Clock Reaction

An Orange Clock Reaction

The Reaction Between Oxalate Ion With Permanganate

Demonstration of Chemical Inhibition

Temperature Effect on Reaction Rate

In the first photo, a stoppered, labeled bottle with clear liquid, a beaker with clear liquid, a graduated cylinder with a yellow bumper, and a stoppered, labeled bottle with a clear liquid.  In the second photo, a beaker with a pale precipitate and a graduated cylinder with a yellow bumper.
In the first photo, a stoppered, labeled bottle with clear liquid, a beaker with clear liquid, a graduated cylinder with a yellow bumper, and a stoppered, labeled bottle with a clear liquid.  In the second photo, a beaker with a pale precipitate and a graduated cylinder with a yellow bumper.
 

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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