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Heat capacity of gases

Heat capacity of gases

Item no.: P2320201

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Heat is added to a gas in a glass vessel by an electric heater which is switched on briefly. The temperature increase results in a pressure increase, which is measured with a manometer. Under isobaric conditions a temperature increase results in a volume dilatation, which can be read from a gas syringe. The molar heat capacities Cv and Cp are calculated from the pressure or volume change.


  • Determination of cp and cv
  • For both demonstration and student experiments
  • Suitable for many different gases


Determine the molar heat capacities of air at constant volume Cv and at constant pressure Cp.

What you can learn about

  • Equation of state for ideal gases
  • First law of thermodynamics
  • Universal gas constant
  • Degree of freedom
  • Mole volumes
  • Isobars
  • Isotherms
  • Isochors and adiabatic changes of state
Document     Filesize
p2320201e.pdf Experiment guide, English 587.64 KB

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