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For the reaction H(2(g)) + Br(2(g)) rarr...

For the reaction `H_(2(g)) + Br_(2(g)) rarr 2HBr_((g)), Delta H=-72.6 KJ`. The heat of formation of the HBr is

A

`-72.6 KJ`

B

`+72.6 KJ`

C

`+36.3 KJ`

D

`-36.3 KJ`

Text Solution

Verified by Experts

The correct Answer is:
D
`Delta H_(f)^(0)` accompanying the formation of one mole of a substance in standard state from its constituent elements.
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