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What is entropy of a system? Give its ma...

What is entropy of a system? Give its mathematical definition. What is its unit?

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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-WARM UP EXERCISE
  1. Water remains in equilibrium with its vapour at 100^(@)C and 1 atm. Wi...

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  2. Is rusting of iron a spontaneous process?

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  3. What is entropy of a system? Give its mathematical definition. What is...

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  4. What is meant by the entropy change of a system in a chemical reaction...

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  5. Give reasons: (i) The change in entropy of a system in a cyclic proces...

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  6. Define (i) Entropy of fusion (ii) Entropy of vaporisation (iii) Standa...

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  7. What are the signs (+ or -) of the entropy changes of the surroundings...

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  8. If the process AtoB occurs reversible, then the change in entropy of t...

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  9. Heat is not exchange between the system and its surroundings during fr...

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  10. What will be the sign of Delta(sys) (+ve or -ve) in the process of-(i)...

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  11. The following changes are performed on 1 mol of N(2) gas- (i) Pressu...

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  12. Write the SI unit of entropy.

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  13. For a process in an isolated system, what are the conditions of sponta...

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  14. Write the relationn between DeltaS(sy)&DeltaS("surr") when a process r...

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  15. For a reversible process DeltaS(sys)=-20J*K^(-1). What will be the val...

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  16. For a spontaneous process DeltaS("surr")=+10J*K^(-1). What will be the...

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  17. In which case does the entropy of the surroundings increase or decreas...

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  18. For process under a set of condition, DeltaS("sys") lt 0 and DeltaS("s...

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  19. A spontaneous process has DeltaS("sys")=xJ*K^(-1) and DeltaS("surr") =...

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  20. Write the second law of thermodynamics in terms of entropy.

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