Complete and balance the following chemical equations:

(a) N₂ + O₂ ⟶

(b) H₂S + Cl₂ ⟶

(c) Na + H₂O ⟶

(d) NaCl + AgNO₃ ⟶

(e) Zn + H₂SO₄ (dil.) ⟶

(f) FeSO₄ (aq) + NaOH (aq) ⟶

(g) Pb(NO₃)₂ $\xrightarrow{\enspace\Delta\enspace}$

(h) BaCl₂ (aq) + H₂SO₄ (aq) ⟶

(a) N₂ + O₂ ⟶ 2NO ↑

(b) H₂S + Cl₂ ⟶ 2HCl ↑ + S

(c) 2Na + 2H₂O ⟶ 2NaOH + H₂ ↑

(d) NaCl + AgNO₃ ⟶ NaNO₃ + AgCl ↓

(e) Zn + H₂SO₄ (dil.) ⟶ ZnSO₄ + H₂ ↑

(f) FeSO₄ (aq) + 2NaOH (aq) ⟶ Fe(OH)₂ ↓ + Na₂SO₄ (aq)

(g) 2Pb(NO₃)₂ $\xrightarrow{\enspace\Delta\enspace}$ 2PbO + 4NO₂ ↑ + O₂ ↑

(h) BaCl₂ (aq) + H₂SO₄ (aq) ⟶ BaSO₄ ↓ + 2HCl