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Pick out the wrong statement

A. Phase rule variables are intensive properties

B. Heat and work are both state function

C. The work done by expansion of a gas in vacuum is zero

D. CP and CV are state function

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

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  1. Specific/molar Gibbs free energy for a pure substance does not change during
  2. Clausius-Clapeyron Equation gives accurate result, when the
  3. Compressibility factor of a gas is
  4. The activity of an ideal gas is numerically __________ its pressure.
  5. For a given substance at a specified temperature, activity is __________ to fugacity.
  6. Work done is a
  7. Which of the following is not a common refrigerant?
  8. Joule-Thomson Co-efficient at any point on the inversion curve is
  9. Which of the following is not an intensive property?
  10. Activity co-efficient is a measure of the
  11. Pick out the correct statement.
  12. Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression…
  13. Claude gas liquefaction process employs cooling
  14. The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
  15. Critical compressibility factor for all substances
  16. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  17. The expression, nCv(T2 - T1), is for the __________ of an ideal gas.
  18. Gibbs free energy of mixing at constant pressure and temperature is always
  19. For spontaneous changes in an isolated system (S = entropy)
  20. For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion…
  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. Pick out the wrong statement.
  23. A change in state involving a decrease in entropy can be spontaneous, only if
  24. The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…
  25. Kopp's rule is used to calculate the heat capacity of
  26. Melting of wax is accompanied with __________ in entropy.
  27. Gibbs-Helmholtz equation is
  28. Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
  29. First law of thermodynamics is mathematically stated as
  30. Which of the following is an undesirable characteristic of a refrigerant?