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For vaporization of water at 1 atmospher...

For vaporization of water at 1 atmospheric pressure the values of `Delta H and Delta S` are `50.63 kJ mol^-1` and `118.8 JK ^(-1) mol^(-1)` respectively. The temperature when Gibbs energy change `(Delta G)` 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 DeltaH and DeltaS for the reaction, C("graphite")+CO(2...

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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 vaccum. The wo...

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  5. The following two reactions are known : Fe(2)O(3)(s) + 3 CO(g) rightar...

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  6. Standard entropies of X(2), Y(2) and XY(3) are 60, 40 and 50 JK^(–1) m...

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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 enthalpy change for the transition of liquid water to steam is ...

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  11. Enthalpy change for the reaction, 4H(g) to 2H2(g) is -869.6 kJ Th...

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

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  13. Consider the following processes : {:(,DeltaH(kJ//"mol")),(1/2ArarrB...

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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 thermodynamical 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 changes...

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  19. Standard enthalpy of vaporisation Delta("vap")H^(@) for water at 100^(...

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

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