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  1. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
  2. When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
  3. The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium,…
  4. The principle applied in liquefaction of gases is
  5. The number of degrees of freedom at the triple point of water is
  6. Those solutions in which there is no volume change upon mixing the components in the liquid state and…
  7. In a reversible process
  8. Reduced pressure of a gas is the ratio of its
  9. The intensive properties are
  10. A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
  11. The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator…
  12. Free energy
  13. What is the value of Joule-Thomson co-efficient for an ideal gas?
  14. Gibbs-Helmholtz equation is
  15. At absolute zero temperature, the __________ of the gas is zero.
  16. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
  17. Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system…
  18. y = specific heat ratio of an ideal gas is equal to
  19. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  20. For any system, what is the minimum number of degrees of freedom?
  21. The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
  22. With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure
  23. Isobaric process means a constant process.
  24. The heat capacities for the ideal gas state depend upon the
  25. For a reversible process involving only pressure-volume work
  26. Partial molar free energy of an element A in solution is same as its
  27. The standard state of a gas (at a given temperature) is the state in which fugacity is equal to
  28. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
  29. Activity co-efficient is a measure of the
  30. When a gas in a vessel expands, its internal energy decreases. The process involved is