Thermodynamics- Lead Balloon

Diffusion of Bromine Vapor

Adiabatic Gas Expansion

Explosive Decomposition of Nitrogen Triiodide

Volume Increase Upon Neutralization

You Can’t Go Back

Dissolution of a Binary Mixture

Heat Capacity of Water

Shapes of Soap Films and Bubbles

Surface Spreading and Surface Tension

Surface Tension of Water: The Floating Paper Clip

Will Tissue Hold Water? Interfacial Tension

Calorimeters

Surface Tension: Floating Duck

Effect of Heating a Rubber Band and a Spring

Surface Tension With Oil and Pepper

Household Chemical Density Column

Lead Balloon

Evaporation as an Endothermic Process

Collapsing Aluminum Can

Collapsing Can

Thermal Expansion of Gases

Density and Miscibility of Liquids

Using Liquid Nitrogen to Do Work

Lead Balloon

Description: Balloons are filled with different gases, air, helium, and sulfur hexafluoride. The heaviness of the SF₆ balloon can be shown on a balance or merely by dropping it. This can be related to the molecular weight of the gases.

Source: UW Card Catalog

Year: N/A Vol: N/A Page: N/A

Keywords: Sulfur hexafluoride, Gases, Weight, Density

Ratings:

Hazard: Low

• Latex allergy

Effectiveness: Good

• Results are clearly observable with guidance
• Good connection from demo to course material
• High reliability
• Time to results is low

Difficulty: Low

• Simple manipulations for most to perform
• Simple procedures

Safety Precautions:

• Eye protection required

Class: Physical Properties

Division: General, Physical Chemistry

Home| General Chemistry Demonstrations