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Which law of thermodynamics helps in cal...

Which law of thermodynamics helps in calculating the absolute entropies of various substances at different temperatures?

A

First law

B

Second law

C

Third law

D

Zeroth law

Text Solution

Verified by Experts

The correct Answer is:
C
See statement of `3rd` law of thermodynamics.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. Which of the following process has negative value of DeltaS ?

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

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

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  4. When the egg is hard boiled, there is

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

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  6. In any natural process

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

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

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

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  10. Which of the following has highest entropy?

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

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  12. Which of the following provide exceptions to third law of thermodynami...

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  13. Which thermodynamics property provides a measure of randomness in the ...

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  14. Which one of the following is correct ?

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  15. An endothermic gaseous reaction, (1)/(2)X+Y to2Z proceeds spontane...

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  16. The sign of DeltaG for the process of melting of ice at 273K and 1 atm...

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  17. For a hypothetical reaction A+B to C if DeltaG^(@) gt 0

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  18. The free energy change for a reversible reaction at equilibrium is

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  19. At 27^(@)C for reaction, C(6)H(6)(l)+(15)/(2)O(2)(g)to6CO(2)(g)+3H(2...

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  20. A particular reaction at 27^(@)C for which DeltaH gt 0 and DeltaS gt 0...

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