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Calculate DeltaHr^theta for reaction H2(...

Calculate `DeltaH_r^theta` for reaction `H_2(g)+Br_2(g)rarr2HBr(g)` given that the bond energies of H-H, Br-Br and H-Br are 435, 192 and 364 kJ`mol^-1` respectively.

A

`-103 kJ mol ^(-1)`

B

`-51. 5 kJ mol ^(-1)`

C

`-159 kJ mol ^(-1)`

D

`+ 103 kJ mol ^(-1)`

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BRILLIANT PUBLICATION-THERMODYNAMICS AND CHEMICAL ENERGETICS - (LEVEL-II (HOMEWORK)
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