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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.

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The correct Answer is:
121.31 kcal
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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.

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