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The standard enthalpy of formation (Delt...

The standard enthalpy of formation `(Delta_(f)H^(@))` at `298K ` for methane `(CH_(4(g)))` is `-74.8kJ mol^(-1)`. The additional information required to determine the average energy for `C-H` bond formation would be `:`

A

the dissociation energy of `H_2` and enthalpy of sublimation of C

B

latent heat of vaporization of methane

C

the first four ionisation energies of carbon and electron gain enthalpy of hydrogen

D

the dissociation energy of`H_2` molecule

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A
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TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -EVALUATION TEST
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  4. (Delta H - Delta U) for the formation of carbon monoxide (CO) from its...

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  13. Which of the following value of DeltaH(f)^(@) represent that the produ...

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  14. The enthalpy change (DeltaH) for the process N2H(4(g)) to 2N((g)) + 4H...

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  15. For the two equations given below: H(2)(g)+1//2O(2)(g)toH(2)O(l)+x(1...

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  16. For an endothermic reaction, where Delta H represents the enthalpy of ...

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  20. Which of the following does NOT result in increase in the entropy?

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