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The equation, Cp - Cv = R, is true for __________ gas.

A. No

B. Any real

C. Only ideal

D. Both (B) and (C)

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Ideal refrigeration cycle is
  2. The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator…
  3. The unit of equilibrium constant of a chemical reaction is the same as that of
  4. For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion…
  5. A domestic refrigerator has a/an __________ cooled condenser.
  6. Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of…
  7. For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the __________…
  8. First law of thermodynamics deals with the
  9. The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium,…
  10. Variation of equilibrium pressure with temperature for any two phases of a given substances is given…
  11. Fugacity co-efficient of a substance is the ratio of its fugacity to
  12. The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by
  13. Which of the following has the minimum value of COP for a given refrigeration effect?
  14. Which of the following is not affected by temperature changes?
  15. Requisites of a reversible process is that the
  16. Solid and liquid phases of a substance are in equilibrium at the
  17. The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…
  18. Compressibility factor of a gas is
  19. A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
  20. Which of the following liquid metals has the highest thermal conductivity?
  21. When a gas is expanded from high pressure region to low pressure region; temperature change occurs.…
  22. Which of the following is not an intensive property?
  23. In jet refrigerators, the refrigerating fluid is practically always
  24. Gibbs phase rule finds application, when heat transfer occurs by
  25. Which of the following identities can be most easily used to verify steam table data for superheated…
  26. Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg…
  27. As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then…
  28. Pick out the undesirable property for a good refrigerant.
  29. The minimum number of phases that can exist in a system is
  30. Change of state namely evaporation condensation, freezing and melting is an __________ process.