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It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

A. The amount of work needed is path dependent

B. Work alone cannot bring out such a change of state

C. The amount of work needed is independent of path

D. More information is needed to conclude anything about the path dependence or otherwise of the work needed

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

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  1. Work done in case of free expansion is
  2. The activity of an ideal gas is numerically __________ its pressure.
  3. In any spontaneous process,
  4. Pick out the wrong statement.
  5. Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
  6. The internal energy of an ideal gas is a function of its __________ only.
  7. Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in…
  8. 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
  9. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
  10. A system is said to be isopiestic, if there is no __________ change.
  11. The principle applied in liquefaction of gases is
  12. Compressibility factor of a gas is
  13. Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O CO2 + H2, by
  14. In a reversible process
  15. Ideal gas law is applicable at
  16. Which of the following is not an intensive property?
  17. In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.
  18. All gases above its inversion temperature, in a throttling process will show
  19. Domestic refrigerator usually works on the __________ refrigeration cycle.
  20. Pick out the correct statement.
  21. During the phase transition, __________ changes.
  22. In case of the decomposition of hydroiodic acid (2HI H2 + I2), addition of H2 (at equilibrium condition)…
  23. Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.
  24. The quantitative effect of temperature on chemical equilibrium is given by the
  25. Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming…
  26. Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature…
  27. The value of gas constant 'R' is
  28. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
  29. For a cyclic process, a fixed ratio between heat and work
  30. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except