Gibbs free energy of mixing at constant pressure and temperature is always

Related Questions

1. Which of the following is true for Virial equation of state?
2. The second law of thermodynamics states that
3. Refrigeration capacity of a household refrigerator may be round about __________ tons.
4. Work done is a
5. The amount of heat required to decompose a compound into its elements is __________ the heat of formation…
6. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called…
7. Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming…
8. The energy of activation of exothermic reaction is
9. Enthalpy changes over a constant pressure path are always zero for __________ gas.
10. Law of corresponding states says that
11. Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…
12. A refrigerator works on the principle of __________ law of thermodynamics.
13. Pick out the wrong statement.
14. The third law of thermodynamics states that the
15. Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P,…
16. Third law of thermodynamics is helpful in
17. Throttling process is a/an __________ process.
18. Boiling of liquid is accompanied with increase in the
19. A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________…
20. A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the…
21. Which of the following is Virial equation of state?
22. Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature…
23. Helmholtz free energy (A) is defined as
24. For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions,…
25. What is the value of ln y (where y = activity co-efficient) for ideal gases?
26. If different processes are used to bring about the same chemical reaction, the enthalpy change is same…
27. __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
28. The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.
29. For spontaneous changes in an isolated system (S = entropy)
30. The expression, nCv(T2 - T1), is for the __________ of an ideal gas.

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