For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is

A. x

B. x + 1

C. x + 2

D. x + 3

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

You can do it
  1. The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction…
  2. Which of the following equations is used for the prediction of activity co-efficient from experiments?
  3. Sublimation temperature of dry ice (solid CO2) is __________ °C.
  4. What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid…
  5. Pick out the wrong statement.
  6. Refrigerants commonly used for domestic refrigerators are
  7. Specific volume of an ideal gas is
  8. Entropy, which is a measure of the disorder of a system, is:
  9. What is the value of ln y (where y = activity co-efficient) for ideal gases?
  10. Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.
  11. Fugacity and pressure are numerically not equal for the gases
  12. During a reversible isothermal expansion of an ideal gas, the entropy change is
  13. In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1…
  14. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
  15. In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…
  16. The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for
  17. The standard state of a gas (at a given temperature) is the state in which fugacity is equal to
  18. Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as
  19. Lenz's law results from the law of conservation of
  20. Equation which relates pressure, volume and temperature of a gas is called the
  21. What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium…
  22. When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and…
  23. Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
  24. The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
  25. Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
  26. Entropy of a substance remains constant during a/an __________ change.
  27. In a working refrigerator, the value of COP is always
  28. Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the
  29. An irreversible process
  30. The total change in the enthalpy of a system is independent of the