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08.10.2021 •
Chemistry
Which statement correctly compares CO2 and N2?
CO2 and N2 are both compound molecules.
CO 2 and N 2 are both elemental molecules.
CO 2 is a compound molecule, and N 2 is an elemental molecule.
CO2 is an elemental molecule, and N2 is a compound molecule.
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Ответ:
a) The change here is that metallic iron is converted into ions and copper is deposited. This is called a displacement reaction.
b)
is oxidised in this reaction.
c)$ \mathrm{Fe_{(s)}+ CuSO_{4(aq)} \rightarrow FeSO_{4(aq)} + Cu_{(s)}}$