| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 4C30.00 | Phase Changes: Liquid-Gas | | |
| 4C30.10 | boiling by cooling | PIRA 200 | Cool a flask stoppered flask filled with warm water with ice until boiling starts. |
| 4C30.10 | boiling by cooling | 4C30.10 | Same as Hj-4. |
| 4C30.10 | boiling by cooling | Hj-4 | A flask with warm water is cooled with ice until boiling starts. |
| 4C30.10 | boiling by cooling | H-75 | Boil water vigorously in a flask, stopper and remove from heat, cool with ice or water to show boiling at reduced pressure. A thermometer or thermocouple can be added to show temperature. |
| 4C30.10 | boiling cold water | H-5d | Heat water to boiling in a round bottom flask, stopper, invert, pour cold water over to maintain boiling. |
| 4C30.10 | boil water under reduced pressure | Disc 15-10 | Boil water in a r.b. flask with a dimple in the bottom, remove from heat, stopper, invert and add ice to the dimple. |
| 4C30.15 | boiling at reduced pressure | PIRA 1000 | |
| 4C30.15 | boiling point depression | TPT 2(4),178 | Boil at reduced pressure using an aspirator. |
| 4C30.15 | boiling at reduced pressure | Hj-3 | A thermometer measures the boiling point as a vacuum pump is used to reduce the pressure in a flask of water. |
| 4C30.15 | boiling by reduced pressure | 27-3.6 | Boil water at room temperature by evacuating. |
| 4C30.15 | boiling at reduced pressure | H-76 | Pump on a flask of warm water with aspirator or vacuum pump until boiling starts. |
| 4C30.20 | superheating liquids | 26-5.16 | Water is superheated in a very clean flask free of flaws. A similar flask with boiling water is nearby. Add chalk dust to the superheated water and boiling starts explosively. |
| 4C30.21 | bumping | H-83 | When an open tube (H-82) containing water is heated the temp will rise above 100 C and before a vapor bubble suddenly forms. |
| 4C30.25 | geyser | PIRA 1000 | |
| 4C30.25 | geyser | Hj-5 | A long tapered tank is used to form a geyser. |
| 4C30.25 | geyser | H-79 | A conical tube 12 cm at the bottom and 4 cm at the top, 2 m long, and heated at the bottom, models a geyser. |
| 4C30.25 | geyser | H-80 | A .5" brass tube 6' long soldered to a 4" tube 10"long filled with water and heated gives a 3 ft. geyser. |
| 4C30.25 | geyser | H-5e | Picture of a geyser demonstrator. |
| 4C30.27 | steam bomb | H-78 | Heat a corked test tube or make a bomb by sealing off some water in a glass tube and heating it. Flying glass hazard. |
| 4C30.30 | helium and CO2 balloons in liquid N2 | PIRA 1000 | |
| 4C30.30 | change of volume with change of stat | Hk-3 | Balloons of CO2 and He are immersed in liquid nitrogen. |
| 4C30.30 | helium and CO2 balloons in liquid N2 | Disc 15-17 | Helium and CO2 balloons are immersed in liquid nitrogen. Cut open the CO2 balloon to show solid carbon dioxide. |
| 4C30.33 | ice stove | H-102 | Boil away liquid air in a teakettle on a cake of ice. |
| 4C30.35 | liquid nitrogen in a balloon | PIRA 1000 | |
| 4C30.35 | liquid nitrogen in a balloon | 4C30.35 | |
| 4C30.35 | burst a balloon | H-112 | A small amount of liquid air in a test tube blows up a balloon until it bursts. (800:1 volume ratio). |
| 4C30.35 | liquid nitrogen in balloon | Disc 15-09 | Pour some liquid nitrogen in a small flask and cap with a balloon. |
| 4C30.36 | gas and vapor under compression | 27-10.2 | A mercury piston applies equal pressure to air and sulfur dioxide until the SO2 collapses into liquid at 2 1/2 atmospheres. |
| 4C30.40 | heat of vaporization of water | 4C30.40 | Boil water in a beaker while measuring the temperature. |
| 4C30.50 | bromine cryophorous | 26-5.11 | One end of an L-shaped evacuated tube containing bromine is immersed in a dry ice/alcohol mixture. |
| 4C30.50 | bromine condensation | H-60 | The color of bromine gas in one end of a tube is reduced when the other end is cooled. |
| 4C30.60 | steam into calorimeter | H-61 | Pass steam into a calorimeter to determine the heat of condensation. |
| 4C30.80 | making liquid oxygen | 27-10.1 | Liquid oxygen will drip from the outer surface of a thin copper cone filled with liquid nitrogen. |
| 4C30.81 | heat exchanger oxygen liquifier | 27-10.3 | A heat exchanger is used to liquefy oxygen from a high pressure tank. Picture, Construction details in appendix, p. 1297. |
| 4C30.82 | liquification of air under pressure | H-110 | A bicycle pump is used to put a test tube immersed in liquid air under pressure. Liquification will continue as long as the tube is operated. |