Cooling by evacuation with Cobra SMARTsense

Principle

When the air pressure above a watersurface is reduced, the water begins to boil at a certain temperature. The temperature of the water is hereby reduced and further evacuation can finally bring it to 0 °C and even lower.

Benefits

• For both demonstration and student experiments
• Data logging via tablet with measureAPP

Tasks

Determine the temperature curve of water during pumping.

Learning objectives

• Air pressure
• Kinetic gas theory
• Supercooling