PVT Surfaces

• 4C10.10 - P-V-T Model

Phase Changes: Liquid - Solid

• 4C20.10 - Super Cooling Water
• 4C20.20 - Ice Bomb
• 4C20.25 - Change of Volume with Change of State - Melting Iceberg
• 4C20.30 - Regelation - Cutting Ice Blocks with a Wire
• 4C20.36 - Liquifying CO2
• 4C20.40 - Freezing Liquid Nitrogen or Liquid Argon - Reduced Pressure
• 4C20.50 - Heat of Fusion of Water
• 4C20.54 - Latent Heat of Fusion
• 4C20.60 - Heat of Crystallization
• 4C20.99 - Wood's or Field's Metal - Liquid Metal Alloys

Phase Changes: Liquid - Gas

• 4C30.10 - Reduced Pressure Boiling
• 4C30.25 - Geyser - Relaxation Oscillator
• 4C30.30 - Helium, CO2, and Argon Balloons in Liquid N2
• 4C30.33 - Ice Stove
• 4C30.40 - Heat of Vaporization
• 4C30.80 - Liquid Nitrogen - Making Liquid O2 & Liquid Argon
• 4C30.90 - Liquid Nitrogen Cloud

Cooling by Evaporation

• 4C31.20 - Triple Point Demo
• 4C31.21 - Freezing Water - Reduced Pressure
• 4C31.30 - Drinking Bird - Relaxation Oscillators
• 4C31.35 - Cooling By Evaporation
• 4C31.37 - Franklin's Pulse Glass Engine - Relaxation Oscillators

Dew Point and Humidity

• 4C32.10 - Wet & Dry Bulb Hygrometer - Sling Psychrometer
• 4C32.15 - Relative Humidity Indicator - Hygrometer
• 4C32.21 - Dew Point
• 4C32.30 - Relative Moisture Meter

Vapor Pressure

• 4C33.31 - Pressure Cooker
• 4C33.50 - Franklin's Pulse Glass - Hand Boilers

Sublimation

• 4C40.10 - Sublimation of Dry Ice
• 4C40.11 - Screaming Ice--CO2 and Metal Plate
• 4C40.15 - Change of Volume with Change of State - CO2 or Liq. N2 and a Balloon

Phase Changes: Solid - Solid

• 4C45.15 - Nitinol Wire

Critical Point

• 4C50.20 - Critical Opalescence
• 4C50.30 - Critical Temperature - Sulfur Hexafluoride
• 4C50.40 - Equiphase Cell