Having trouble coming up with this equation

[black_hole]

1. The problem statement, all variables and given/known data

cupric bromide is heated. I know I should get cuprous bromide and bromide vapor
is this right? CuBr2 --> CuBr + Br2 ?

then, nitric acid is added to the cuprous bromide
CuBr + HNO3 --> ?

This is heated...I know I should get CuO...

then the CuO + CH4 --> Cu + H2O ?

thanks :)

2. Relevant equations



3. The attempt at a solution

[Borek]

So, where is your problem? In predicting products?

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