QUESTION IMAGE
Question
identify the following reactions as formation, simple decomposition or other.
reaction classification
2h₂o₂(l) → 2h₂o(l) + o₂(g) simple decomposition
nh₃(g) + h₂o(l) → nh₄oh(aq) formation
fe(s) + 1/2o₂(g) → feo(s) formation
hf(g) → 1/2h₂(g) + 1/2f₂(g) simple decomposition
Brief Explanations
- For \(2H_2O_2(l)\to2H_2O(l)+O_2(g)\): A single reactant (\(H_2O_2\)) breaks down into two products (\(H_2O\) and \(O_2\)), which is characteristic of simple decomposition.
- For \(NH_3(g)+H_2O(l)\to NH_4OH(aq)\): Two substances (\(NH_3\) and \(H_2O\)) combine to form a new compound (\(NH_4OH\)), fitting the formation reaction pattern.
- For \(Fe(s)+\frac{1}{2}O_2(g)\to FeO(s)\): Iron (\(Fe\)) and oxygen (\(O_2\)) combine to form iron oxide (\(FeO\)), a formation reaction.
- For \(HF(g)\to\frac{1}{2}H_2(g)+\frac{1}{2}F_2(g)\): A single reactant (\(HF\)) decomposes into two simpler substances (\(H_2\) and \(F_2\)), so it is simple decomposition.
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| Reaction | Classification |
|---|---|
| \(NH_3(g)+H_2O(l)\to NH_4OH(aq)\) | formation |
| \(Fe(s)+\frac{1}{2}O_2(g)\to FeO(s)\) | formation |
| \(HF(g)\to\frac{1}{2}H_2(g)+\frac{1}{2}F_2(g)\) | simple decomposition |