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The standard heats of formation at 298K ...

The standard heats of formation at 298K for `C Cl_(4)(g),H_(2)O(g),CO_(2)(g) and HCl(g)` are `-25.5,-57.8,-94.1 and -22.1` kcal `mol^(-1)` respectively. Calculate `DeltaH_(298)^(@)` for the reaction.
`C Cl_(4)(g)+2H_(2)O(g)toCO_(2)(g)+4HCl(g)`.

A

36.4kJ

B

20.7kJ

C

`-20.7kJ`

D

`-41.4kJ`

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The correct Answer is:
D
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