Cooling by evacuation with Cobra SMARTsense

Article no. P2340667

10 Minutes
20 Minutes
medium

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

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Cooling by evacuation with Cobra SMARTsense
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