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  1. First law of thermodynamics is mathematically stated as
  2. Entropy is a/an
  3. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  4. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
  5. The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial…
  6. Joule-Thomson Co-efficient at any point on the inversion curve is
  7. For an exothermic reaction
  8. As the time is passing, entropy of the universe
  9. The equation, Cp - Cv = R, is true for __________ gas.
  10. The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
  11. It is desired to bring about a certain change in the state of a system by performing work on the system…
  12. Normal temperature and pressure (N.T.P.) corresponds to
  13. Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the
  14. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called…
  15. During Joule-Thomson expansion of gases
  16. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
  17. An ideal monatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram. The work done…
  18. Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system…
  19. Pick out the correct statement.
  20. Enthalpy of a gas depends upon its
  21. Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies…
  22. In case of the decomposition of hydroiodic acid (2HI H2 + I2), addition of H2 (at equilibrium condition)…
  23. Which of the following is not an extensive property?
  24. In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents…
  25. A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will…
  26. At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
  27. The heat capacities for the ideal gas state depend upon the
  28. The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the __________ of a substance.
  29. The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while…
  30. The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…