Thermal capacity of gas


The gas inside the glass container is heated by an electric heater that is turned on for a short time. The temperature increase leads to a pressure increase that is measured by a pressure gauge. In isobaric conditions a temperature increase leads to a volumetric expansion, which can be evaluated with a gas syringe. The molar heat capacities at constant pressure and volume Cv and Cp can be calculated from changes in pressure and volume.

Training program

  • First law of thermodynamics
  • Universal gas constant
  • Isobars
  • Isotherms
  • Isochoric and adiabatic changes of state

Technical specifications
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