Home

Gibbs-Duhem equation

A. States that n11 + n22 + ....njj = 0, for a system of definite composition at constant temperature and pressure

B. Applies only to binary systems

C. Finds no application in gas-liquid equilibria involved in distillation

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Mollier chart is a __________ plot.
  2. In a homogeneous solution, the fugacity of a component depends upon the
  3. A reasonably general expression for vapourliquid phase equilibrium at low to moderate pressure is φi…
  4. The number of degrees of freedom at the triple point of water is
  5. Joule-Thomson co-efficient for a perfect gas is
  6. Entropy change for an irreversible isolated system is
  7. Van Laar equation deals with the activity coefficients in
  8. What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at…
  9. In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process.
  10. As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches
  11. In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…
  12. Equilibrium constant of a reaction varies with the
  13. Number of phases in a colloidal system is:
  14. The minimum number of phases that can exist in a system is
  15. Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system…
  16. Which of the following non-flow reversible compression processes require maximum work?
  17. Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in…
  18. Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid…
  19. Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal…
  20. Pick out the wrong statement.
  21. Which is not constant for an ideal gas?
  22. Refrigeration cycle
  23. Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature…
  24. Pick out the correct statement.
  25. Work done is a
  26. In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than…
  27. A Carnot cycle consists of the following steps:
  28. Cp of a gas at its critical temperature and pressure
  29. Fugacity co-efficient of a substance is the ratio of its fugacity to
  30. Heating of water under atmospheric pressure is an __________ process.