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Define the term 'entropy'. How does TDel...

Define the term 'entropy'. How does `TDeltaS` determine the spontaneity of a process?

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How does T DeltaS determine the spontaneity of process?

Explain the term 'entropy'.

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The sole criterion for the spontaneity of a process is

What is entropy and how is it related to the spontaneity of a process?

For a spontaneous process :-

The incorrect criterion for the spontaneity of a process is

Assertion (A): The thermodynamic factor which determines the spontaneity of a process is the free energy. For a process to be spontaneous the free energy must be-ve. Reason (R ) : The change in free energy is related to the change in a process must always be positive if its is spontaneous.

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ICSE-CHEMICAL THERMODYNAMICS -REVIEW EXERCISES
  1. What do you understand by Cp and Cv ?

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  2. Establish a relationship between Cv and Cp?

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  3. Define the term 'entropy'. How does TDeltaS determine the spontaneity ...

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  4. What is meant by the term 'free energy'? What was the necessity of int...

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  5. State the second law of thermodynamics. Predict the sign of DeltaS in ...

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  6. State and explain the second law of thermodynamics. Mention the essent...

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  7. What inferences do you draw on the basis of the values of Gibbs free e...

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  8. The enthalpy change for the transition of liquid water to steam Delta(...

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  9. At 373 K, the entropy change for the transition of liquid water to ste...

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  10. For the chemical equilibrium PCl(5)(g) hArr PCl(3)(g) +Cl(2) (g) " a...

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  11. For a reaction, K = 1.958 xx 10^(-4) at 400 K, what is the value of De...

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  12. Calculate DeltaG^@ for the reaction 2HCl (g) + F2(g) to 2HF (g) + Cl...

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  13. Calculate the equilibrium constant for the following reaction at 298 K...

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  14. Calculate the equilibrium constant for the following reaction at 298 K...

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  15. Calculate the standard free energy change for the reaction 4NH3(g) +...

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  16. Calculate the standard entropy change for the reaction X hArr Y if the...

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  17. Calculate the entropy change when 20.0 g of ice changes to liquid wate...

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  18. From the following values of DeltaH and DeltaS, decide whether or not ...

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  19. Determine standard free energy DeltaG^@" at " 25^@C for the reaction ...

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  20. For a hypothetical reaction nX to mY, the value of DeltaH =-133 kJ and...

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