The standard molar enthalpies of formation of `H_(2)O(l) " and " H_(2)O_(2)(l)` are -286 and -188 "kJ"//"mol", respectively. Molar enthalpies of vaporisation of `H_(2)O(l) " and "H_(2)O_(2)(l)` are 44 and 53 kJ respectively. The bond dissociation enthalpy of `O_(2)(g)` is `498 "kJ"//"mol"`. calculate the bond dissociation enthalphy `("in" "kJ"//"mol" )` of `O-O` bond in `H_(2)O_(2)`, assuming that the bond dissociation ethalpy of `O-H` bond is same in both `H_(2) " and " H_(2)O_(2)`.

The standard molar enthalpies of formation of `H_(2)O(l) " and " H_(2)

1.	The standard molar enthalpies of formation of `H_(2)O(l) " and " H_(2)O_(2)(l)` are -286 and -188 "kJ"//"mol", respectively. Molar enthalpies of vaporisation of `H_(2)O(l) " and "H_(2)O_(2)(l)` are 44 and 53 kJ respectively. The bond dissociation enthalpy of `O_(2)(g)` is `498 "kJ"//"mol"`. calculate the bond dissociation enthalphy `("in" "kJ"//"mol" )` of `O-O` bond in `H_(2)O_(2)`, assuming that the bond dissociation ethalpy of `O-H` bond is same in both `H_(2) " and " H_(2)O_(2)`.
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