Question

Classify each of these reactions. 2HBr(aq)+Ba(OH)2(aq)⟶2H2O(l)+BaBr2(aq) 2HBr(aq)+Ba(OH)2(aq)⟶2H2O(l)+BaBr2(aq) C2H4(g)+3O2(g)⟶2CO2(g)+2H2O(l) C2H4(g)+3O2(g)⟶2CO2(g)+2H2O(l) Cu(s)+FeCl2(aq)⟶Fe(s)+CuCl2(aq) Cu(s)+FeCl2(aq)⟶Fe(s)+CuCl2(aq) Na2S(aq)+2AgNO3(aq)⟶2NaNO3(aq)+Ag2S(s) Na2S(aq)+2AgNO3(aq)⟶2NaNO3(aq)+Ag2S(s)

Answer 1

1. Double replacement but no reaction

2. Double replacement but no reaction

3. Combustion

4. Combustion

5. Single replacement

6. Double replacement

I didn't solve the ones that are repeated! Hope it helped;)

Answer 2

1. Double displacement.

2. Combustion.

3. Simple displacement.

4.Double displacement.

Step-by-step explanation:

Hello,

1.
`2HBr(aq)+Ba(OH)_2(aq) -->2H_2O(l)+BaBr_2(aq)`

In this case, it is about a double displacement reaction since all the cations (H and Ba) and anions (Br and OH) are exchanged.

2.
`C_2H_4(g)+3O_2(g)-->2CO_2(g)+2H_2O(l)`

In this case, it is about the combustion of ethene.

3.
`Cu(s)+FeCl_2(aq)-->Fe(s)+CuCl_2(aq)`

In this case, it is about a simple displacement reaction since the iron (II) cations become solid iron and on the contrary for copper.

4.
`Na_2S(aq)+2AgNO_3(aq)-->2NaNO_3(aq)+Ag_2S(s)`

Finally, it is about a double displacement chemical reaction since the sodium and silver cations are exchanged with the sulfide and nitrate anions.

Best regards.