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Using the data given below,predict the nature of heat changes for the reaction .
`Mg_(g) + 2F_(g) rarr Mg_(g)^(2+) +2F_(g)^-`
`IE_1` and `IE_2` of `Mg_(g) `are `737.7 ` and `451 kJ "mol"^(-1)` . `EA_1 ` for `F_(g)` is `-328 kJ "mol"^(-1)`.

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`Delta H=IE_1 +IE_2 +2 xx EA_1`
` =737.7 +1451 +2 xx (-328)`
`=+ 1532.7 kJ "mol"^(-1)`.

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