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Predict whether entropy change in the fo...

Predict whether entropy change in the following processes would be positive or negative.
(i) `N_(2)O_(3)(g) rarr N_(2)O(g)+O_(2)(g) ` (ii) Freezing of water
(iii) `NH_(3)(g)+HCl(g) rarr NH_(4)Cl(s)`

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The correct Answer is:
(i) `+ve` (ii) -ve (iii) -ve
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PRADEEP-THERMODYNAMICS-SHORT ANSWER QUESTIONS
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  2. Will entropy increase or decrease in the following changes and give re...

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  3. Predict whether entropy change in the following processes would be po...

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  4. Account for the fact that entropy of ice is less than that of water.

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  6. How does T DeltaS determine the spontaneity of process?

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  7. Derive the criteria for predicting the spontaneity of a process in ter...

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  8. Give two statements for the second law of thermodynamics.

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  9. What is Gibbs free energy change? Discuss its physical significance.

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  10. What do symbolsDeltaH, DeltaSandDeltaG signify ? How are they inter-re...

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  11. State Gibbs-Helmholtz equation and explain its use in predicting the s...

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  12. Explain the terms entropy and free energy.Entropy of a solid substance...

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  13. What is meant by free energy of a subtance ? Entropy of a solid subst...

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  14. Explain why is DeltaG, the free energy change, called free energy. D...

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  15. What is the energy and free energy change?Show that change is free e...

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  16. Starting with the thermodynamics relationship DeltaU = q+w,derive the ...

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  17. Explain: (i) Spontaneity (ii) Free energy (iii) Reversibility (iv) Int...

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  18. What atre the conditions for the spontaneity of a reaction in terms of...

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  19. How is spontaneity of a change related to change in entropy and free e...

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  20. For a reaction both DeltaH and DeltaS are positive.Under what conditio...

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