Question #c695a

1 Answer
Ernest Z.
Apr 21, 2017

See below.

Explanation:

a) "1Fe" + "1CuSO"_4 →"1Cu" +"1FeSO"_4

This is a single replacement reaction, because an "Fe" atom replaces a "Cu" atom in "CuSO"_4.

b) "Ni"("NO"_3)_2 + "NaCl" → No Reaction.

There is no reaction because all the substances are soluble in water.

c) "2Mg + 1O"_2 → "2MgO"

This is a combustion reaction because the magnesium is combining with the oxygen to form the oxide,

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