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The enthalpies for the following reactio...

The enthalpies for the following reactions `(DeltaH^(Theta))` at `25^(@)C` are given below.
a. `(1)/(2)H_(2)(g) +(1)/(2)O_(2)(g) rarr OH(g)`
`DeltaH = 10.06 kcal`
b. `H_(2)(g) rarr 2H(g), DeltaH = 104.18 kcal`
c. `O_(2)(g) rarr 2O(g), DeltaH = 118.32 kcal`
Calculate the `O-H` bond energy in the hydroxyl radical.

Answer

Step by step text solution for The enthalpies for the following reactions (DeltaH^(Theta)) at 25^(@)C are given below. a. (1)/(2)H_(2)(g) +(1)/(2)O_(2)(g) rarr OH(g) DeltaH = 10.06 kcal b. H_(2)(g) rarr 2H(g), DeltaH = 104.18 kcal c. O_(2)(g) rarr 2O(g), DeltaH = 118.32 kcal Calculate the O-H bond energy in the hydroxyl radical. by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 11 exams.

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The ethalpies for the following reactions at 25^(@)C are given as: (1)/(2)H_(2)(g)+(1)/(2)O_(2)(g) rarr OH (g), DeltaH = 10.06 kcal H_(2)(g)rarr 2H(g),DeltaH = 104.18 kcal O_(2)(g) rarr 2O(g),DeltaH = 118.32 kcal Calculate the O-H bond enegry in the OH group.

The enthalpies for the following reaction (DeltaH^(0)) at 25^(@)C are given. (1)/(2)H_(2)(g)+(1)/(2)O_(2)(g) to OH(g),DeltaH^(0)=10.06 "kcal" H_(2)(g) to 2H(g),DeltaH^(0)=104.18"kcal" O_(2)(g) to 2O(g),DeltaH^(0)=118.32 "kcal" Calculate O-H bond energy in the hydroxyl radical.

Knowledge Check

  • H_(2)(g) = 2H(g) , DeltaH = 104.2 kcal. The bond energy of H-Hbond is

    A
    104.2 kcal
    B
    208.4 kcal
    C
    52.1 kcal
    D
    Zero

  • Calculate in kJ for the following reaction : C(g) + O_(2)(g) rarr CO_(2)(g) Given that, H_(2)O(g) + C(g) + H_(2)(g) , Delta H = +131 kJ CO(g) + 1/2 O_(2)(g) rarr CO_(2)(g), " " Delta H = -242 kJ H_(2)(g) + 1/2 O_(2)(g) rarr H_(2)O(g), " "DeltaH = -242 kJ

    A
    `-393`
    B
    `+393`
    C
    `+655`
    D
    `-655`

  • Two similar reactions are given below : H_(2)(g) + (1)/(2)O_(2)(g) rarr H_(2)O(g), DeltaH = = DeltaH_(1) H_(2)(g)+(1)/(2) O_(2)(g) rarr H_(2)O(l), DeltaH= DeltaH_(2) In terms of magnitude of DeltaH ,

    A
    `DeltaH_(1) gt DeltaH_(2)`
    B
    `DeltaH_(1) lt DeltaH_(2)`
    C
    `DeltaH_(1) = DeltaH _(2)`
    D
    None of these is correct

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    From the following data at 25^(@)C , calculate the bond energy of O-H bond : (i) H_(2)g rarr 2H(g) ,Delta H _(1)= 104.2 kcal (ii) O_(2)(g) rarr 2O(g), Delta H _(2) = 118 . 4 kcal (iii) H_(2)(g) + (1)/(2) O_(2)(g)rarr H _(2)(g) , Delta H_(3) = - 57.8 kcal

    From the following data at 25^(@)C , calculate the bond energy of O – H bond: (i) H_(2)(g) to 2H(g), Delta H_(1) = 104.2 kcal (ii) O_(2)(g) to 2O(g), DeltaH_(2) = 118.4 kcal (iii) H_(2)(g) + 1/2 O_(2)(g) to H_(2)O(g), Delta H_(3) = -57.8 k cal

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