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Calcualte DeltaH(f)^(@) for chloride ion...

Calcualte `DeltaH_(f)^(@)` for chloride ion from the following data:
`1/2 H_(2)(g) + 1/2Cl_(2)(g) to HCl (g), Delta H_(f)^(@)=-92.4` kJ
`HCl(g) + nH_(2)O to H^(+)(aq) + Cl^(-) (aq), DeltaH_(f)^(@)` of `H^(+)` (aq) = 0.0 kJ

A

`-40.0Kcal`

B

`+40.0Kcal`

C

`+17.9Kcal`

D

`+22.1Kcal`

Text Solution

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The correct Answer is:
A
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