Van Laar equation deals with the activity coefficients in

A. Binary solutions

B. Ternary solutions

C. Azeotropic mixture only

D. None of these

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  1. Refrigeration cycle
  2. Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles…
  3. Which is a state function?
  4. A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy…
  5. The specific heat of saturated water vapour at 100°C is
  6. Heat pump
  7. As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then…
  8. Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal…
  9. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
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  11. Activity co-efficient is a measure of the
  12. As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…
  13. Efficiency of a Carnot engine working between temperatures T1 and T2 (T1 < T) is
  14. Cp of a gas at its critical temperature and pressure
  15. In the reaction, H2 +I2 2HI, addition of an inert gas will
  16. Refrigeration capacity of a household refrigerator may be round about __________ tons.
  17. The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is
  18. Heat requirement for decomposition of a compound into its elements is __________ that is evolved during…
  19. A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
  20. Entropy change for an irreversible isolated system is
  21. A change in state involving a decrease in entropy can be spontaneous, only if
  22. Co-efficient of Performance (COP) of a refrigerator is the ratio of the
  23. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  24. As the time is passing, entropy of the universe
  25. What is the value of ln y (where y = activity co-efficient) for ideal gases?
  26. Entropy of the system decreases, when
  27. Helmholtz free energy (A) is defined as
  28. The standard state of a gas (at a given temperature) is the state in which fugacity is equal to
  29. Entropy is a/an
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