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The entropy change for a phase transform...

The entropy change for a phase transformation is :

A

`(DeltaU)/(gamma+dT)`

B

`(DeltaT)/(DeltaH)`

C

`(DeltaH)/(T)`

D

`(DeltaH+DeltaG)/(T)`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaS=(DeltaH)/(T)`
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
  1. Calculate the entropy change (J//mol K) of the given reaction. The mol...

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  2. Given Delta(r)S^(@)=-266 and the listed [S(m)^(@)value] Calculate S^(...

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  3. The entropy change for a phase transformation is :

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  4. What is the melting point of benzene if DeltaH("fusion")= 9.95kJ//mol ...

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  5. DeltaS for freezing of 10 g of H(2)O(l) (enthalpy of fusion is 80 cal/...

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  6. Chloroform has DeltaH("vaporization")=29.2 kJ//"mol" and boils at 61.2...

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  7. The entropy if vaporisation of benzene is 85JK^(-1) mol^(-1). When 117...

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  8. Identify the correct statement regarding entropy

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  9. Calculate DeltaS for following process : underset("at" 100K)(X(s)) ...

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  10. For a perfectly crystalline solid C(p.m.)=aT^(3), where ais constant. ...

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  11. Consider the following spontaneous reaction 3X(2)(g)rarr2X(3)(g). What...

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  12. For the reaction 2H(g)rarr H(2)(g), the sign of DeltaH and DeltaS resp...

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  13. Consider the following reaction. C(6)H(6)(l)+(15)/(2)O(2)(g)rarr6CO(...

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  14. Consider the following reaction at temperature T : CH(2)=CH(2)(g) +...

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

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  16. For a reaction to occur spontaneously

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  17. Which of the following conditions reagarding a chemical process ensure...

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  18. The free energy change DeltaG = 0, when

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  19. Which of the following conditions regarding a chemical process ensures...

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  20. Suppose that a reaction has DeltaH=-40kJ and DeltaS =- 50J//K. At what...

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