Combustion of Cellulose Nitrate (Guncotton)
Comparing Specific Heat of Metals II
Endothermic Reaction of Barium Hydroxide and Ammonium Salts
Explosive Decomposition of Nitrogen Triiodide
Explosive Reaction of Hydrogen and Oxygen
Comparing the Specific Heat of Metals I
Decomposition of Ammonium Dichromate
Evaporation as an Endothermic Process
Evaporation of Ether is Endothermic
Explosions of Lycopodium and Other Powders
Reaction of Calcium Oxide and Water
Reaction of Potassium Permanganate and Glycerine
Spontaneous Combustion of White Phosphorus
Reaction of Metals and Hydrochloric Acid
Evaporation of Ether is Endothermic
Description: Diethyl ether is squirted on a towel wrapped around the bulb of an air thermometer. The temperature drops as the ether evaporates.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Diethyl ether, Air thermometer, Evaporation, Endothermic
Rating:
Hazard: Medium
- Asphyxiation hazard
- Inhalation hazard
- Flammability hazard
- Mild explosion hazard
- Acute toxicity hazard – oral
- Specific organ toxicity – single exposure, central nervous system
- Chronic aquatic toxicity
Effectiveness: Average
- Results are observable with guidance
- Mild effects are seen by audience
- Good connection from demo to course material
- Contrast between systems behavior is noticeable
- Time to results is high
- Good reliability
Difficulty: Medium
- Simple procedures
- Simple manipulations for most to perform
- Handling of organic chemicals
- Exposure to potential toxicity
Safety Precautions:
- Downdraft hood required
- Eye protection required
- Gloves required
- Perform in a well-ventilated area required
- ABC fire extinguisher on hand
- Absorbent material on hand
- Prevent release of reagents to the environment
Class: Intramolecular Forces, Thermodynamics
Division: General
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