Gas pressure simulator
Gas-pressure model: plastic balls representing molecules move randomly in a transparent cylinder and collide with a piston.
The apparatus models the behavior of gas molecules: a built-in electric motor drives a vibrating disk, and plastic balls in a transparent working chamber move chaotically, hitting a movable disk with a rod. The model supports five demonstrations: from the chaotic movement of molecules and the occurrence of pressure to qualitative modeling of isothermal, isobaric and isochoric processes. For experiments with constant-parameter gas processes, a disc weight is added to the rod; it is not included in the kit. The apparatus is used in physics lessons when studying molecular kinetic theory and gas laws.
- 1.Base with built-in electric motor and control panel - 1 pc.
- 2.Transparent cylinder (working chamber) - 1 pc.
- 3.Vibrating disk - 1 pc.
- 4.Movable disk with guide rod - 1 pc.
- 5.Plastic balls (model of gas molecules) - 1 set.
- Model of random molecular motion in a gas
- The emergence of gas pressure: impacts of molecules on a moving disk
- Qualitative modelling of an isothermal process - a disc weight on the rod is required (not included)
- Qualitative modelling of an isobaric process - a disc weight on the rod is required (not included)
- Qualitative modelling of an isochoric process - a disc weight on the rod is required (not included)
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