Question

decomposition: HBr(g)⟶Express your answer as a chemical equation.

Answer 1

Explanation

HBr (g) decomposes as follows:

HBr (g) => H2 (g) + Br2 (l)

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Lastly, the equation must be balanced:

2 HBr (g) => H2 (g) + Br2 (l)

(we must have the same number of atoms on both sides)

Answer: 2 HBr (g) => H2 (g) + Br2 (l)