Final Answer:
1) Ca(s) + 2H₂O(l) → Ca(OH)₂(aq) + H₂(g)
2) Mg(s) + 2H₂O(l) → Mg(OH)₂(s) + H₂(g) *(slow reaction, but occurs with hot water)*
3) Mg(s) + 2H₂O(g) → Mg(OH)₂(s) + H₂(g) *(faster with steam)*
4) Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)
5) Br₂(l) + 2NaCl(s) → no reaction
6) Cl₂(g) + 2NaBr(s) → 2NaCl(s) + Br₂(l)
7) 4Sb(s) + 3O₂(g) → 2Sb₂O₃(s)
8) Pt(s) + NaBr(s) → no reaction
9) I₂(g) + 2NaBr(s) → no reaction
10) Pb(s) + 4HNO₃(s) → Pb(NO₃)₂(aq) + 2NO₂(g) + 2H₂O(l) *(concentrated HNO₃; note: HNO₃ is usually aqueous, but as written)*
11) Pb(s) + 2H₂O(l) → no reaction
12) I₂(g) + 2NaBr(s) → no reaction
13) Sr(s) + 2H₂O(l) → Sr(OH)₂(aq) + H₂(g)
14) Sn(s) + O₂(g) → SnO₂(s)
Parent Tip: Review the logic above to help your child master the concept of activity series worksheet answer key.