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  1. A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
  2. In a homogeneous solution, the fugacity of a component depends upon the
  3. Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would…
  4. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
  5. A refrigerator may be termed as a
  6. The four properties of a system viz. P, V, T, S are related by __________ equation.
  7. There is a change in __________ during the phase transition.
  8. Claude gas liquefaction process employs cooling
  9. In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents…
  10. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
  11. Consider the reaction, C + O2 CO2; ΔH = - 94 kcal. What will be the value of ΔH for the reaction…
  12. Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
  13. The principle applied in liquefaction of gases is
  14. Cv is given by
  15. (1/V) (∂V/∂T)P is the mathematical expression
  16. For an ideal gas, the enthalpy
  17. Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature…
  18. Entropy change in case of reversible adiabatic process is
  19. No work is done by the system, when a reaction occurs at constant
  20. Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.
  21. For an incompressible fluid, the __________ is a function of both pressure as well as temperature.
  22. Third law of thermodynamics is concerned with the
  23. For an exothermic reaction
  24. The change in __________ is equal to the reversible work for compression in steady state flow process…
  25. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…
  26. If atmospheric temperature and dew point are nearly equal, then the relative humidity is
  27. Fugacity and pressure are numerically equal, when the gas is
  28. In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the heat content (enthalpy) of O2?
  29. Pick out the wrong statement.
  30. On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal…