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The units of entropy are...

The units of entropy are

A

`JK^(-1)mol^(-1)`

B

`J g^(-1)`

C

`J mol^(-1)`

D

`K^(-1)mol`

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaS=(q_(rev.))/(T)=(J mol^(-1))/(K)=J K^(-1) mol^(-1)`
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. Joule Thomson coefficient is given by the expression

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  2. Entropy of system depends upon

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  3. The units of entropy are

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  4. Ammonium chloride when dissolved in water leads to a cooling sensation...

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  5. An isolated system comprises the liquid in equilibrium with vapours. A...

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  6. For the gaseous reaction involving the complete combustion of iso-buta...

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  7. One of the following reactions involves decrease in entropy

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  8. When a solid changes into liquid, the entropy

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  9. The least random state of water system is

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  10. Which of the following process has negative value of DeltaS ?

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  11. Which of the following describes the criterion of spontaneity?

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  12. Which law of thermodynamics helps in calculating the absolute entropie...

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  13. When the egg is hard boiled, there is

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  14. For the reversible process, the value of DeltaS is given by the expres...

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  15. In any natural process

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  16. For which of the following cases is DeltaS=DeltaH//T

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  17. In a reversible process, Delta S(sys) + Delta S(surr) is

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  18. According to third law of thermodynamics, the entropy at 0 K is zero f...

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  19. Which of the following has highest entropy?

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  20. The total entropy change for a system and its surroundings increases, ...

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