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State whether the entropy of the system ...

State whether the entropy of the system increases,decreases or remains unchanged in the following processes `:`
(a)one gram of water evaporates into steam at the same pressure and temperature.
(b) one gram of water freezes into ice at the same pressure and temperature.

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PRADEEP-THERMODYNAMICS-SHORT ANSWER QUESTIONS
  1. Predict whether entropy change in the following processes would be po...

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

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  3. State whether the entropy of the system increases,decreases or remain...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Predict the feasibility of a reaction when (i) both DeltaH andDeltaS i...

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  20. Expalin the state of chemical reactions when : (i) DeltaG =0 (ii) De...

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