If the earth is about 13000 light years away from the outermost edge of the milky way galaxy, what is the total diameter of the
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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)}}$