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  1. If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________…
  2. Which is not constant for an ideal gas?
  3. A gas shows deviation from ideal behaviour at
  4. During adiabatic expansion of gas
  5. The standard Gibbs free energy change of a reaction depends on the equilibrium
  6. Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of…
  7. If different processes are used to bring about the same chemical reaction, the enthalpy change is same…
  8. What is the ratio of adiabatic compressibility to isothermal compressibility?
  9. __________ Equation predicts the activity coefficient from experimental data.
  10. Which of the following is not an intensive property?
  11. If atmospheric temperature and dew point are nearly equal, then the relative humidity is
  12. For the reversible exothermic reaction, N2 + 3H2 2NH3, increase of pressure would
  13. Cv is given by
  14. A system is said to be isopiestic, if there is no __________ change.
  15. Equation which relates pressure, volume and temperature of a gas is called the
  16. __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
  17. Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
  18. The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point…
  19. The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
  20. A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown…
  21. Which law of the thermodynamics provides basis for measuring the thermodynamic property?
  22. Joule-Thomson effect i.e., a throttling process is a constant __________ process.
  23. What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen…
  24. For an incompressible fluid, the __________ is a function of both pressure as well as temperature.
  25. The enthalpy change when ammonia gas is dissolved in water is called the heat of
  26. Entropy is a/an
  27. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature…
  28. In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases…
  29. Specific volume of an ideal gas is
  30. If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…