Using the activity series, write a balanced chemical equation for the following reactions:

Question

1. iron metal is added to a solution of copper (II) nitrate

2. zinc metal is added to a solution of magnesium sulfate

3. hydrobromic acid is added to tin metal

4. hydrogen gas is bubbled through an aqueous solution of nickel (II) chloride

**Identify all of the phases in your answer. If no reaction occurs, simply write, "no reaction."

Can someone please help me with these? I don't even know where to begin.

Answer 1

1. I'm not sure

2. "no reaction"

3. 2HBr(aq)+Sn(s) --> SnBr2(aq)+H2(g)

4. "no reaction"

5. "no reaction"

Answer 2

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Answer 3

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Answer 4

1-Fe(s)+Cu(NO3)2(aq)→Fe(NO3)2(aq)+Cu(s)
2- no reaction
3-2HBr(aq)+Sn(s)→SnBr2(aq)+H2(g)
4- no reaction
5-2Al(s)+3CoSO4(aq)→Al2(SO4)3(aq)+3Co(s)