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What is the value of DeltaH^(@) (inKJ) ...

What is the value of `DeltaH^(@)` (inKJ) for this reaction ?ltbr gt
`2CuO(s)toCuO(s)+(1)/(2)O_(2)(g)`

A

141.5

B

14.6

C

`-14.6`

D

`-141.5`

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The correct Answer is:
a
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