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For vaporization of water at 1 atmospher...

For vaporization of water at 1 atmospheric pressure the values of `DeltaH` and `DeltaS` are `40.63KJmol^(-1)` and `108JK^(-1)mol^(-1)` , respectively. The temperature when Gibbs energy change `(DeltaG)` for this transformation will be zero is

A

393.4 K

B

373.4 K

C

293.4 K

D

273.4 K

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -1A
  1. From the following bond energies: H--H bond energy: 431.37KJmol^(-1) ...

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  2. The values of Delta H and Delta S for the reaction are 170 kJ and 17...

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  3. For vaporization of water at 1 atmospheric pressure the values of Delt...

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  4. Three moles of an ideal gas expanded spontaneously into vacuum. The wo...

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  5. The following teo reaction are known : Fe(2)O(3)(s)+3CO(g)rarr2Fe(s)...

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  6. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

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  7. Intensive property is :-

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  8. In which of following there is decrease in entropy :-

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  9. Which of the following is not a state function :-

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  10. If the enthaply change for the transition of liquid water to steam is...

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  11. Enthalpy change for the reaction, 4H((g))rarr 2H(2(g)) is -869.6 kJ ...

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  12. Which of the following is the correct option for the free expansion of...

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  13. Consider the following processes :- {:(,DeltaH(kJ//mol)),((1)/(2)A r...

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  14. The enthalpy of formation of CO(g), CO(2)(g),N(2)O(g) and N(2)O(4)(g) ...

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  15. For adiabatic process which is correct -

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  16. Which of the following is not thermodynamic function -

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  17. Which of the following is intensive property -

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  18. In which of the following reactions,standard reaction entropy change(D...

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  19. Standard enthalpy of vaporisationDeltaV(vap).H^(Theta) for water at 10...

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  20. The enthalpy of funsion of water is 1.435 kcal/mol. The molar entropy ...

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