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As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches

A. Unity

B. Zero

C. That of the heat of reaction

D. Infinity

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

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  2. For organic compounds, group contribution method can be used for the estimation of
  3. A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.
  4. The temperature at the eutectic point of the system is the __________ temperature that can be attained…
  5. Entropy change for an irreversible process taking system and surrounding together is
  6. The thermodynamic law, PVy = constant, is not applicable in case of
  7. The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
  8. Which of the following is not an intensive property?
  9. The four properties of a system viz. P, V, T, S are related by __________ equation.
  10. A change in state involving a decrease in entropy can be spontaneous, only if
  11. A Carnot cycle consists of the following steps:
  12. Henry's law is closely obeyed by a gas, when its __________ is extremely high.
  13. Which of the following behaves most closely like an ideal gas?
  14. Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
  15. Gibbs free energy (F) is defined as
  16. For an isothermal process, the internal energy of a gas
  17. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity…
  18. Requisites of a reversible process is that the
  19. While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the…
  20. Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of
  21. 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
  22. Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
  23. Equation which relates pressure, volume and temperature of a gas is called the
  24. For a constant volume process
  25. Work done in an adiabatic process between two states depends on the
  26. Gibbs free energy (G) is represented by, G = H - TS, whereas Helmholtz free energy, (A) is given by,…
  27. For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the __________…
  28. Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…
  29. The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing…
  30. A refrigeration cycle is the same as a __________ cycle,