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  1. The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing…
  2. A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the…
  3. As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then…
  4. It is desired to bring about a certain change in the state of a system by performing work on the system…
  5. For a constant volume process
  6. Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
  7. No work is done by the system, when a reaction occurs at constant
  8. __________ decreases during adiabatic throttling of a perfect gas.
  9. Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies…
  10. A system undergoes a change from a given initial state to a given final state either by an irreversible…
  11. Sublimation temperature of dry ice (solid CO2) is __________ °C.
  12. The necessary condition for phase equilibrium in a multiphase system of N components is that the
  13. At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
  14. Kopp's rule is used to calculate the heat capacity of
  15. For a single component two phase mixture, the number of independent variable properties are
  16. Van Laar equation deals with the activity coefficients in
  17. The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
  18. In jet refrigerators, the refrigerating fluid is practically always
  19. What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at…
  20. Which of the following is not an extensive property?
  21. Those solutions in which there is no volume change upon mixing the components in the liquid state and…
  22. When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
  23. Maxwell's relation corresponding to the identity, dH = dS = Vdp + Σμi dni is
  24. Out of the following refrigeration cycles, which one has maximum COP?
  25. Sound waves propagation in air exemplifies an __________ process.
  26. Gibbs free energy at constant pressure and temperature under equilibrium conditions is
  27. The value of gas constant 'R' is
  28. For equilibrium process (i.e. reversible) in an isolated system
  29. The absolute entropy for all crystalline substances at absolute zero temperature is
  30. On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal…