4C CHANGE OF STATE
4C10 PVT Surfaces
4C20 Phase Changes
.20 Ice Bomb
.30 Regelation
.45 CO2 Expansion Cooling
4C30 Phase Changes: Liquid-Gas
.10 Boil Water Under Reduced Pressure
.30 Helium and CO2 Balloons in Liquid Nitrogen
.35 Liquid Nitrogen in Balloon
4C31 Cooling by Evaporation
.10 Cryophorus
.20 Freezing by Boiling
.30 Drinking Bird
4C32 Dew Point and Humidity
4C33 Vapor Pressure
4C40 Sublimation
.10 Sublimation of CO2
4C45 Phase Changes: Solid-Solid
4C50 Critical Point
.10 CO2Critical Point