Pick out the correct statement.

A. A real gas on expansion in vacuum gets heated up

B. An ideal gas on expansion in vacuum gets cooled

C. An ideal gas on expansion in vacuum gets heated up

D. A real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

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

You can do it
  1. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
  2. Joule-Thomson co-efficient depends on the
  3. In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents…
  4. A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
  5. One ton of refrigeration capacity is equivalent to the heat removal rate of
  6. If atmospheric temperature and dew point are nearly equal, then the relative humidity is
  7. Clausius-Clapeyron equation is applicable to __________ equilibrium processes.
  8. What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?
  9. Extensive properties of a thermodynamic system depend upon the __________ of the system.
  10. At equilibrium condition, the chemical potential of a material in different phases in contact with each…
  11. Pick out the wrong statement:
  12. Enthalpy changes over a constant pressure path are always zero for __________ gas.
  13. Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…
  14. Internal energy is equal to the heat absorbed in case of a/an __________ process.
  15. First law of thermodynamics deals with the
  16. Law of corresponding states says that
  17. Pick out the wrong statement.
  18. When dilute aqueous solutions of two salts are mixed, the process is associated with
  19. In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________…
  20. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
  21. For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the __________…
  22. Cv is given by
  23. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.
  24. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures…
  25. A system is said to be isopiestic, if there is no __________ change.
  26. Enthalpy 'H' is defined as
  27. Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.
  28. A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.
  29. Pick out the correct statement:
  30. If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…