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The equation, PV = nRT, is best obeyed by gases at

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A. Low pressure & high temperature

B. High pressure & low temperature

C. Low pressure & low temperature

D. None of these

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Correct Answer : A.


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Related Questions

  1. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
  2. For a constant volume process __________ by the system is used only to increase the internal energy.
  3. The gas law (PV = RT) is true for an __________ change.
  4. Out of the following refrigeration cycles, which one has maximum COP?
  5. The number of degrees of freedom at the triple point of water is
  6. Which of the following liquid metals has the highest thermal conductivity?
  7. For an isothermal reversible compression of an ideal gas
  8. For a multi-component system, the term chemical potential is equivalent to the
  9. Pick out the wrong statement.
  10. Which one is true for a throttling process?
  11. At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
  12. Third law of thermodynamics is helpful in
  13. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  14. Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 >…
  15. Throttling (Joule-Thomson effect) process is a constant __________ process.
  16. Co-efficient of Performance (COP) of a refrigerator is the ratio of the
  17. Which of the following is not an equation of state?
  18. Specific/molar Gibbs free energy for a pure substance does not change during
  19. Equilibrium constant of a reaction varies with the
  20. What is the ratio of adiabatic compressibility to isothermal compressibility?
  21. Third law of thermodynamics is concerned with the
  22. For the reversible exothermic reaction, N2 + 3H2 2NH3, increase of pressure would
  23. Isobaric process means a constant process.
  24. The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
  25. Which of the following will increase the volume of a real gas by four times?
  26. At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
  27. The change in __________ is equal to the reversible work for compression in steady state flow process…
  28. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
  29. Pick out the correct statement.
  30. Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would…

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