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Pick out the correct statement.

A. Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero

B. Melting of ice involves increase in enthalpy and a decrease in randomness

C. The internal energy of an ideal gas depends only on its pressure

D. Maximum work is done under reversible conditions

Related Questions

  1. When pressure is applied on the system, ice ↔ water, then
  2. For an incompressible fluid, the __________ is a function of both pressure as well as temperature.
  3. A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.
  4. The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for
  5. Which of the following represents the Virial equation of state?
  6. Joule-Thomson co-efficient for a perfect gas is
  7. Co-efficient of Performance (COP) of a refrigerator is the ratio of the
  8. Standard temperature and pressure (S.T.P.) is
  9. Heat of formation of an element in its standard state is
  10. Melting of ice exemplifies a/an
  11. The four properties of a system viz. P, V, T, S are related by __________ equation.
  12. Third law of thermodynamics is helpful in
  13. Refrigeration capacity of a household refrigerator may be round about __________ tons.
  14. Pick out the extensive property out of the following.
  15. Enthalpy 'H' is defined as
  16. Absolute zero temperature signifies the
  17. For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist…
  18. Specific volume of an ideal gas is
  19. Pick out the undesirable property for a good refrigerant.
  20. During the phase transition, __________ changes.
  21. The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is
  22. The equation, Cp - Cv = R, is true for __________ gas.
  23. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  24. In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…
  25. The expression, nRT ln(P1/P2), is for the __________of an ideal gas.
  26. Second law of thermodynamics is concerned with the
  27. In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases…
  28. The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…
  29. The first law of thermodynamics is a restatement of the law of conservation of
  30. Activity co-efficient is a measure of the

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