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units for some thermodynamic terms

Asked by Chandana 9th August 2012, 9:22 PM
Answered by Expert
Answer:
  • P: Absolute pressure, in units of Pascals (Pa).
  • V: Volume, in units of cubic meters (m3).
  • T: Absolute temperature, in units of Kelvins (K).
  • n: The number of moles of gas.
  • N: The number of molecules of gas.
  • NA: Avogadros number, the number of items in a mole of items, approximately equal to 6.022 x 1023.
  • R: The gas constant, approximately equal to 8.314 J/mole.K.
  • kB: Boltzmann constant, approximately equal to 1.38 x 10-23 J/K
  •  : The average translational kinetic energy of the gas molecules, in units of Joules (J).
  • U: The internal energy of the contained gas, in units of Joules (J).
  • : a differential of heat added to the gas, in units of Joules (J).
  • : a differential of work done on the gas, in units of Joules (J).
  • Cv: The heat capacity for transformations at constant volume, in units of J/K
  • cv: The specific heat for transformations at constant volume, in units of J/mole.K
  • Cp: The heat capacity for transformations at constant pressure, in units of J/K
  • cp: The specific heat for transformations at constant pressure, in units of J/mole.K
  • :The ratio of Cto Cv, equal to the ratio of cto cv
Answered by Expert 10th August 2012, 4:31 PM
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