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The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

A. An open system of constant composition

B. A closed system of constant composition

C. An open system with changes in composition

D. A closed system with changes in composition

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

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  1. For an isothermal reversible compression of an ideal gas
  2. In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation of NH3 will be favoured…
  3. In any spontaneous process,
  4. The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…
  5. Which of the following is affected by the temperature?
  6. Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O CO2 + H2, by
  7. Ideal gas law is applicable at
  8. Which of the following represents the Virial equation of state?
  9. The activity of an ideal gas is numerically __________ its pressure.
  10. At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
  11. Which of the following behaves most closely like an ideal gas?
  12. The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while…
  13. Equation which relates pressure, volume and temperature of a gas is called the
  14. The principle applied in liquefaction of gases is
  15. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
  16. Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…
  17. The absolute entropy for all crystalline substances at absolute zero temperature is
  18. Domestic refrigerator usually works on the __________ refrigeration cycle.
  19. In a working refrigerator, the value of COP is always
  20. Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
  21. The acentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr-1 = 0.7, where,…
  22. Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be
  23. Internal energy is equal to the heat absorbed in case of a/an __________ process.
  24. Pick out the wrong statement.
  25. Entropy of an ideal gas depends upon its
  26. Fugacity is most helpful in
  27. The expression, ΔG = nRT. ln(P2/P1), gives the free energy change
  28. Law of corresponding states says that
  29. At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
  30. Refrigeration cycle