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Which of the following statements is tru...

Which of the following statements is true? The entropy of the universe

A

Increases and moves towards maximumm value

B

Decreases and moves to zero

C

Remains constant

D

Decreases and increases with a periodic rrate

Text Solution

Verified by Experts

The correct Answer is:
A
Second law of thermodynamics states the entropy of the universe increases and moves towards maximum value.
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A2Z-CHEMICAL THERMODYNAMICS-Entropy, Gibb'S Energy And Spontaneity Of Process
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  2. Change in entropy is negative for

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  3. In which of the following reactions DeltaS is positive?

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  4. The molar enthlpy of fusion of water is 6.01KJ mol^(-1) . The entropy ...

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  5. When ice melts into water, entropy

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  6. The value of free energy change of an equilibrium process is

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  7. The standard entropies of N(2)(g),H(2)(g) and NH(3)(g) are 191.5, 192....

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  8. One mole of an ideal gas at 25^(@)C is subjected to expand reversible ...

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  9. The entropy change for the reaction given below is 2H(2)(g)+O(2)(g)r...

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  10. The a reaction to be spontaneous at all temperature

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  11. Which of the following statements is true? The entropy of the universe

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  12. Enthalpy of fusion of a liquid is 1.435Kcal mol^(-1) and molar entropy...

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  13. If S^(@) for H(2),Cl(2) and HCL are 0.13, 0.22 and 0.19KJK^(-1)mol^(-1...

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  14. If the enthalpy of vaporization for water is 198.5KJ mol^(-1) , the en...

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  15. In the following Table, which one is correct DeltaHDeltaS Nature of ...

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  16. For the reaction, X(2)O(4)(l)rarr2XO(2)(g),DeltaE=2.1Kcal , DeltaS...

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  17. The temperature at which the reaction, Ag(2)O(s)rarr2Ag(s)+1//2O(2)(...

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  18. Given (I) C(diamond) +O(2)(g)rarrCO(2)(g),DeltaH^(@)=-92.0Kcal mol^(...

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  19. For a certain reaction XrarrY the value of DeltaH and DeltaS are 50.50...

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  20. Which of the following processes process towards more disordered state...

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