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  1. Which of the following is not an extensive property?
  2. In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation of NH3 will be favoured…
  3. Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of
  4. When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
  5. During a reversible isothermal expansion of an ideal gas, the entropy change is
  6. The temperature at which both liquid and gas phases are identical, is called the __________ point.
  7. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature…
  8. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called…
  9. In any spontaneous process,
  10. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures…
  11. Which of the following identities can be most easily used to verify steam table data for superheated…
  12. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.
  13. Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system…
  14. Henry's law is closely obeyed by a gas, when its __________ is extremely high.
  15. In any spontaneous process, the __________ free energy decreases.
  16. Pick out the wrong statement.
  17. The third law of thermodynamics states that the
  18. Free energy change at equilibrium is
  19. What is the value of ln y (where y = activity co-efficient) for ideal gases?
  20. Any substance above its critical temperature exists as
  21. Joule-Thomson co-efficient for a perfect gas is
  22. Sound waves propagation in air exemplifies an __________ process.
  23. No work is done by the system, when a reaction occurs at constant
  24. On opening the door of an operating refrigerator kept in a closed room, the temperature of the room…
  25. Cp of a gas at its critical temperature and pressure
  26. Which is an example of closed system?
  27. In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible…
  28. Entropy is a measure of the __________ of a system.
  29. In an ideal solution, the activity of a component equals its
  30. Fugacity is most helpful in