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Name the two criteria which must be met ...

Name the two criteria which must be met for a process to be spontaneous regardless of the temperature.

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A process must be spontaneous (feasible) if:

For a process to be spontaneous, DeltaG must be………… .

In which case, process will be spontaneous at all temperature?

Under which of the conditions the process will be spontaneous?

Which of the following Process is non-spontaneous

Which of the following processes is a non-spontaneous process?

MODERN PUBLICATION-THERMODYNAMICS-Revision Exercise (Very short answer questions)
  1. State first law of thermodynamics.Write it mathematical expression.

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  2. Why are we usually concerned with changes in enthalpy than changes in ...

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  3. Name the two criteria which must be met for a process to be spontaneou...

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  4. Give an example of a chemical reaction for which DeltaH^(@) gt DeltaU^...

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  5. Why do we feel cold on touching a block of ice?

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  6. Delta(f)H^(@) of Fe(2)O(3) is -825 kJ. What is the enthalpy change for...

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  7. The standard enthalpies of formation of three substances A, B and C ar...

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  8. Define molar heat capacity and specific heat capacity.

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  9. What are the units of entropy and free energy?

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  10. Explain the state of a reaction when DeltaG =0.

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  11. Write Gibbs Helmholtz equation giving meanings of the symbols used.

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  12. What is the sign of DeltaS for (i) evaporation of liquid water ? (...

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  13. When an ideal gas expands in vaccum, there is neither absorption nor e...

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  14. In a process, a system does 145 J of work on its surroundings while 85...

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  15. How is free energy change related to equilibrium constant for the reac...

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  16. Predict DeltaS for the reaction : NH(3)(g) + HCI (g) to NH(4)CI(s).

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  17. Why does the entropy of a solid increase on melting?

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  18. What is the effect of temperature on entropy?

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  19. State the second law of thermodynamics.

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  20. Write mathematical statement of first law of thermodynamics.

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