Pick out the wrong statement.

A. Minimum number of degree of freedom of a system is zero

B. Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and hydrogen is 4

C. For a two phase system in equilibrium made up of four non-reacting chemical species, the number of degrees of freedom is 4

D. Enthalpy and internal energy change is zero during phase change processes like melting, vaporisation and sublimation

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

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  3. Gibbs-Helmholtz equation is
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  5. The equation, PV = nRT, is best obeyed by gases at
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  7. The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
  8. In any spontaneous process,
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  11. __________ explains the equilibrium constant for any chemical reaction.
  12. Pick out the wrong statement.
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  17. Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
  18. The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
  19. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  20. Enthalpy changes over a constant pressure path are always zero for __________ gas.
  21. Generation of heat by friction is an example of a/an __________ change.
  22. The variation of heat of reaction with temperature at constant pressure is given by the __________ law.
  23. Internal energy is equal to the heat absorbed in case of a/an __________ process.
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  25. In a turbine, the fluid expands almost
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  28. With increase in temperature, the atomic heat capacities of all solid elements
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