Answer:
it's more flexible that way
Explanation:
there is more oxygen to let it catch fire
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Answer: Option B) FeCl2 + H2
Explanation:
Fe(s) + 2HCl(aq) → FeCl2(s) + H2(g)
The above is a single replacement reaction because Iron, Fe replaces hydrogen in its compound, HCl to form FeCl2 and liberate hydrogen gas.
Thus, the reaction shows that the more reactive iron, Fe reacts with the dilute hydrochloric acid, HCl to give products such as Iron(II) chloride, FeCl2 and hydrogen gas, H2.
2K + 2H2O -----> 2KOH + H2
The question is telling you what are the reactants and products .
i think it's the last answer!