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DeltaH gt DeltaE for the reaction...

`DeltaH gt DeltaE` for the reaction

A

`CH_(4)(g)+2O_(2)(g) rarr CO_(2)(g) +2H_(2)O(g)`

B

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

C

`C_(2)H_(4)(g) +3O_(2)(g) rarr 2CO_(2)(g) +2H_(2)O(g)`

D

`CaCO_(3)(s) rarr CaO(s) +CO_(2)(g)`

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The correct Answer is:
D
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The values of DeltaH and DeltaS for two reactions are given below: Reaction A : DeltaH =- 10.0 xx 10^(3)J mol^(-1) DeltaS = +30 J K^(-1) mol^(-1) Reaction B: DeltaH =- 11.0 xx 10^(3)J mol^(-1) DeltaS =- 100J K^(-1) mol^(-1) Decide whether these reactions are spontaneous or not at 300K .

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NARAYNA-THERMODYNAMICS-C.U.Q
  1. For an ideal gas, the relation between the enthypy and internal energy...

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  2. For the reaction C(s)+O(2)(g) rarr CO(2) (g), Deltan value is

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  3. DeltaH gt DeltaE for the reaction

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  4. For is reaction involving only liquid reactants & liquid products the ...

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  5. In the hydrogenation of ethylene, Deltan is equal to

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  6. The difference in DeltaH and DeltaE for the combustion of ethane at 27...

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  7. In exothermic reaction

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  8. DeltaH is negative for the reaction

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  9. The incorrect IUPAC convention

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  10. Which of the following is an endothermic reaction?

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  11. When water is added to quick lime, the reaction is

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  12. Of the following an endothermic reaction is

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  13. Which of the following reactions is not exothermic?

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  14. Of the following a correct statement is

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  15. Charge in enthalpy and change in internal energy are equal at room tem...

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  16. For the transition C("(diamond)") rarr C("(graphite)"), DeltaH=-1.5 kJ...

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  17. The enthyalpy change for the process C("(graphite)") rarr C((g)), Delt...

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  18. H(2) (g) +I(2) (g) rarr 2HI (g), DeltaH=51.9 kJ. According to this, ...

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  19. The equation in according with the definition of standard heat of form...

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  20. Which of the following values of heat of formation indicates that the ...

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