For each chemical equation, which product would be produced?

hbr →
al + fe2o3 →
2c4h6 + 11o2 →
ag + pb3(po4)2 →
k2co3 + cai2 →

2HBr(g) → H₂ (g) + Br₂ (g)

2Al + Fe₂O₃   →  2Fe + Al₂O₃

2C₄H₆ + 11O₂   →  8CO₂ + 6H₂O

Ag + Pb₃(PO₄)₂  → No reaction

K₂CO₃ + Cal₂    →  2KI + CaCO₃

Explanation:

1st reaction:

2HBr(g) → H₂ (g) + Br₂ (g)

HBr produces hydrogen and bromine gas.

Second reaction:

2Al + Fe₂O₃   →  2Fe + Al₂O₃

Aluminium is more reactive than iron that's why it displace the iron from oxide and form aluminium oxide.

3rd reaction:

2C₄H₆ + 11O₂   →  8CO₂ + 6H₂O

Butyne burn in the presence of oxygen and produces carbondioxide and water.

4th reaction:

Ag + Pb₃(PO₄)₂  → No reaction

Because lead is more more reactive than silver that's why silver can not displace the lead to react with (PO₄)₂ .

5th reaction:

K₂CO₃ + Cal₂    →  2KI + CaCO₃

potassium carbonate react with calcium iodide and produces calcium carbonate and potassium iodide.

a