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Work done may be calculated by the expression ∫ p dA for __________ processes.

A. Non-flow reversible

B. Adiabatic

C. Both (A) and (B)

D. Neither (A) nor (B)

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  1. __________ does not change during phase transformation processes like sublimation, melting & vaporisation.
  2. For an ideal gas, the enthalpy
  3. For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions,…
  4. The adiabatic throttling process of a perfect gas is one of constant enthalpy
  5. __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
  6. In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.
  7. A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.
  8. Melting of ice is an example of an __________ process.
  9. After throttling, gas temperature
  10. Gibbs free energy at constant pressure and temperature under equilibrium conditions is
  11. The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
  12. Pick out the wrong statement.
  13. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
  14. A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially…
  15. Gibbs-Helmholtz equation is
  16. An ideal liquid refrigerant should
  17. With increase in temperature, the atomic heat capacities of all solid elements
  18. Sublimation temperature of dry ice (solid CO2) is __________ °C.
  19. Law of corresponding states says that
  20. Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as
  21. As the time is passing, entropy of the universe
  22. Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the
  23. Absolute zero temperature signifies the
  24. There is a change in __________ during the phase transition.
  25. Generation of heat by friction is an example of a/an __________ change.
  26. Number of phases in a colloidal system is:
  27. Internal energy change of a system over one complete cycle in a cyclic process is
  28. A solid is transformed into vapour without going to the liquid phase at
  29. What happens in a reversible adiabatic expansion process?
  30. Fugacity is most helpful in