Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

A. Infinity

B. Minus infinity

C. Zero

D. None of these

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

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  1. The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
  2. The gas law (PV = RT) is true for an __________ change.
  3. The extensive properties are
  4. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
  5. Critical temperature is defined as the temperature above which a gas will
  6. If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of…
  7. The number of degrees of freedom at the triple point of water is
  8. The minimum number of phases that can exist in a system is
  9. Helmholtz free energy (A) is defined as
  10. Chemical potential is a/an
  11. The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while…
  12. The relation connecting the fugacities of various components in a solution with one another and to composition…
  13. Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas…
  14. The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
  15. At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous…
  16. In a working refrigerator, the value of COP is always
  17. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
  18. Pick out the wrong statement.
  19. High __________ is an undesirable property for a good refrigerant.
  20. Entropy is a measure of the __________ of a system.
  21. A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will…
  22. Joule-Thomson effect i.e., a throttling process is a constant __________ process.
  23. Pick out the wrong statement.
  24. The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is
  25. Domestic refrigerator usually works on the __________ refrigeration cycle.
  26. The change in Gibbs free energy for vaporisation of a pure substance is
  27. For an ideal solution, the value of activity co-efficient is
  28. In a homogeneous solution, the fugacity of a component depends upon the
  29. When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…
  30. Joule-Thomson co-efficient depends on the