Chemical Engineering Thermodynamics

CV for an ideal gas_____.

  • A. Does not depend upon temperature
  • B. Is independent of pressure only
  • C. Is independent of volume only
  • D. Is independent of both pressure and volume
Answer: Option D.

For a real gas the CV has an weak relationship with volume and pressure in many cases this relation can be neglected and depends only on temperature whereas for ideal gases CV is solely dependent on temperature.
The usually relationship is given by CV = a + bT + CT2+… and these constants a,b,c… varies from gas to gas.

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