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In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is

A. More

B. Less

C. Same

D. Unpredictable; depends on the particular reaction

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  1. The equilibrium constant for a chemical reaction at two different temperatures is given by
  2. __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
  3. The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.
  4. Compressibility factor of a gas is
  5. A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________…
  6. Equilibrium constant decreases as the temperature
  7. In a turbine, the fluid expands almost
  8. The main feature of Carnot refrigeration cycle is that, it
  9. The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while…
  10. The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.
  11. Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
  12. The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is
  13. Heat pump
  14. The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
  15. The equation, PV = nRT, is best obeyed by gases at
  16. __________ decreases during adiabatic throttling of a perfect gas.
  17. At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
  18. During the phase transition, __________ changes.
  19. Work done in an adiabatic process between two states depends on the
  20. Which of the following is an extensive property of a system?
  21. For a given substance at a specified temperature, activity is __________ to fugacity.
  22. Cp - Cv = R is valid for __________ gases.
  23. Change of state namely evaporation condensation, freezing and melting is an __________ process.
  24. While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the…
  25. Pick out the wrong statement.
  26. Clausius-Clapeyron equation is applicable to __________ equilibrium processes.
  27. Lenz's law results from the law of conservation of
  28. High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which…
  29. For an exothermic reaction
  30. Pick out the wrong statement.