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Bond enthalpy of bromine is 194KJmol^(-1...

Bond enthalpy of bromine is `194KJmol^(-1)` .If enthalpy of vapourisation of `Br_(2)` is `+30KJmol^(-1)` .electron gain enthalpy of `Br` is `-325KJ mol "^(-1)` and hydration enthalpy of bromide is `-339KJmol^(-1)` . calculate the change in enthalpy for the reaction `(1)/(2)Br_(2)(l)+e^(-)overset(aq)rightarrowBr^(-)(aq)`

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