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Equilibrium constant decreases as the temperature

A. Increases, for an exothermic reaction

B. Decreases, for an exothermic reaction

C. Increases, for an endothermic reaction

D. None of these

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  1. Pick out the wrong statement.
  2. Absolute zero temperature signifies the
  3. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
  4. The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
  5. Which of the following diagrams does not represent an Otto cycle?
  6. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
  7. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
  8. In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________…
  9. 1st law of thermodynamics is nothing but the law of conservation of
  10. To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 - 1/T2) from…
  11. Consider the reaction, C + O2 CO2; ΔH = - 94 kcal. What will be the value of ΔH for the reaction…
  12. Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…
  13. The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume…
  14. An isentropic process is carried out at constant
  15. If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical,…
  16. Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature…
  17. Any substance above its critical temperature exists as
  18. For an ideal liquid solution, which of the following is unity?
  19. Entropy change for an irreversible process taking system and surrounding together is
  20. In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…
  21. The unit of fugacity is the same as that of the
  22. When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…
  23. Henry's law is closely obeyed by a gas, when its __________ is extremely high.
  24. The shape of T-S diagram for Carnot Cycle is a
  25. Throttling process is a/an __________ process.
  26. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  27. Which of the following is a thermodynamic property of a system?
  28. Which of the following processes cannot be made reversible even under ideal condition of operation?
  29. Enthalpy changes over a constant pressure path are always zero for __________ gas.
  30. Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…