The unit of equilibrium constant of a chemical reaction is the same as that of

A. Molar concentration

B. Temperature

C. Internal energy

D. None of these

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  1. Pick out the wrong statement:
  2. Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…
  3. Which of the following equations is used for the prediction of activity co-efficient from experiments?
  4. In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.
  5. Work done is a
  6. The variation of heat of reaction with temperature at constant pressure is given by the __________ law.
  7. Law of corresponding states says that
  8. Out of the following refrigeration cycles, which one has maximum COP?
  9. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
  10. If different processes are used to bring about the same chemical reaction, the enthalpy change is same…
  11. The temperature at which both liquid and gas phases are identical, is called the __________ point.
  12. In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the heat content (enthalpy) of O2?
  13. For spontaneous changes in an isolated system (S = entropy)
  14. The internal energy of an incompressible fluid depends upon its
  15. Which of the following has the minimum value of COP for a given refrigeration effect?
  16. For the reversible exothermic reaction, N2 + 3H2 2NH3, increase of pressure would
  17. The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are
  18. For a constant volume process __________ by the system is used only to increase the internal energy.
  19. What happens in a reversible adiabatic compression?
  20. Specific __________ does not change during phase change at constant temperature and pressure.
  21. Pick out the wrong statement.
  22. A system is said to be isopiestic, if there is no __________ change.
  23. A refrigeration cycle is the same as a __________ cycle,
  24. For a multi-component system, the term chemical potential is equivalent to the
  25. For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist…
  26. Those solutions in which there is no volume change upon mixing the components in the liquid state and…
  27. The second law of thermodynamics states that
  28. When a gas is subjected to adiabatic expansion, it gets cooled due to
  29. The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio…
  30. Internal energy change of a system over one complete cycle in a cyclic process is