A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

A. Minimum

B. Zero

C. Maximum

D. None of these

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

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  1. Degrees of freedom at triple point will be
  2. Lenz's law results from the law of conservation of
  3. The equation, PV = nRT, is best obeyed by gases at
  4. For a constant pressure reversible process, the enthalpy change (ΔH) of the system is
  5. The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are
  6. The amount of heat required to decompose a compound into its elements is __________ the heat of formation…
  7. Equilibrium constant decreases as the temperature
  8. Sublimation temperature of dry ice (solid CO2) is __________ °C.
  9. For spontaneous changes in an isolated system (S = entropy)
  10. Work done in an adiabatic process between two states depends on the
  11. The principle applied in liquefaction of gases is
  12. The equation, Cp - Cv = R, is true for __________ gas.
  13. For organic compounds, group contribution method can be used for the estimation of
  14. As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T)…
  15. Which of the following is not a reversible process?
  16. In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants)
  17. A system undergoes a change from a given initial state to a given final state either by an irreversible…
  18. Joule-Thomson effect i.e., a throttling process is a constant __________ process.
  19. Heating of water under atmospheric pressure is an __________ process.
  20. Pick out the Clausius-Clapeyron equation from the following:
  21. The value of gas constant 'R' is
  22. Equation which relates pressure, volume and temperature of a gas is called the
  23. For an ideal gas, the activity co-efficient is
  24. When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…
  25. What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?
  26. Which of the following has the minimum value of COP for a given refrigeration effect?
  27. The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point…
  28. Pick out the undesirable property for a good refrigerant.
  29. For an isothermal process, the internal energy of a gas
  30. In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the…