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A solid is transformed into vapour without going to the liquid phase at

A. Triple point

B. Boiling point

C. Below triple point

D. Always

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

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  1. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
  2. Pick out the wrong statement
  3. Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
  4. Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature…
  5. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature…
  6. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…
  7. The internal energy of an ideal gas is a function of its __________ only.
  8. Critical compressibility factor for all substances
  9. The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…
  10. As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then…
  11. Fugacity and pressure are numerically not equal for the gases
  12. Linde gas liquefaction process employs cooling
  13. The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT)…
  14. Pick out the Clausius-Clapeyron equation from the following:
  15. Pick out the wrong statement.
  16. Entropy change for an irreversible process taking system and surrounding together is
  17. Second law of thermodynamics is concerned with the
  18. Maxwell's relation corresponding to the identity, dH = dS = Vdp + Σμi dni is
  19. y = specific heat ratio of an ideal gas is equal to
  20. Specific heat of a gas for a reversible adiabatic process is
  21. In a turbine, the fluid expands almost
  22. Gibbs-Helmholtz equation is
  23. The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…
  24. The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
  25. In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the heat content (enthalpy) of O2?
  26. In case of an __________ process, the temperature of the system increases.
  27. Gibbs free energy of mixing at constant pressure and temperature is always
  28. Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles…
  29. During a reversible isothermal expansion of an ideal gas, the entropy change is
  30. Melting of ice is an example of an __________ process.