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In which of the following reactions Delt...

In which of the following reactions `DeltaS` is positive?

A

`H_(2)O(l) to H_(2)O(s)`

B

`3O_(2)(g) to 2O_(3)(g)`

C

`H_(2)O(l) to H_(2)O(g)`

D

`N_(2)(g)+3H_(2)(g) to 2NH_(3)(g)`

Text Solution

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The correct Answer is:
C
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RC MUKHERJEE-CHEMICAL THERMODYNAMICS-Objective problems
  1. The dissociation energy of CH(4) and C(2)H(6) are respectively 360 and...

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  2. In which of the following cases entropy decreases?

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

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  4. The Delta G in the process of melting of Ice at -15^(@) C is

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  5. In a reaction , DeltaH and DeltaS both are more than zeron. In which o...

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  6. In which case is a reaction possible at any temperature ?

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  7. In which case is a reaction impossible at any temperature ?

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  8. The difference between the heats of reaction at constant pressure and ...

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  9. Molar heat capacity of water in equilibrium with ice at constant press...

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  10. Standard molar enthalpy of formation of CO(2) is equal to :

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  11. When steam condenses to water at 90^(@)C, the entropy of the system de...

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  12. A certain reaction is spontaneous at 85^(@)C . The reaction is endothe...

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  13. For the reaction, (1)/(2)A(2)+(1)/(2)B(2) to AB,DeltaH=-50 kcal If...

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  14. One mole of a non-ideal gas undergoes a change of state (2.0 atm, 3.01...

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  15. Which of the following thermodynamic varibles is extensive ?

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  16. Which of the following is an intensive property ?

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  17. Which of the following is an intensive property ?

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  18. Which of the following is not a thermodynamical function

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  19. Which among the following is not an exact differential?

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  20. Which of the following is a state function and also an extensive prope...

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