Explosive Decomposition of Nitrogen Triiodide
Volume Increase upon Neutralization
Dissolution of a Binary Mixture
Shapes of Soap Films and Bubbles
Surface Spreading and Surface Tension
Surface Tension of Water: The Floating Paper Clip
Will a Tissue Hold Water? Interfacial Tension
Surface Tension: Floating Duck
Effect of Heating a Rubber Band and a Spring
Surface Tension With Oil and Pepper
Household Chemical Density Column
Evaporation as an Endothermic Process
You Can’t Go Back
Description: Video by Henry Bent showing 13 scenes projected in reverse time. Useful for the discussion of the first and second laws of thermodynamics. A 12-page description and study guide is also available. Digital copy is available.
Source: Henry Bent
Year: 1992 Vol: N/A Page: N/A
Keywords: Entropy, Henry Bent, Thermodynamics
Rating: 
Hazard: Low
- Electric shock
Effectiveness: Good
- Good connection from demo to course material
- Time to results is medium
- Model or simulation
Difficulty: Low
- Manipulations are simple for most to perform
- Video or simulation
Safety Precautions:
- Use of UL approved three-prong plug and outlet
Class: Entropy and Free Energy, Thermodynamics
Division: General, Physical Chemistry
Return to Physical Chemistry Demonstrations