POST-LAB QUESTIONS.
Write and balance the following chemical equations:
a) Al (s) + HCl (aq) → AlCl3 (aq) + H₂ (g)
b) C10H8 (s) + O2 (g) → H₂0 (1) + CO2 (g)
c) Sodium sulfate + barium nitrate → barium sulfate + sodium nitrate
d) Calcium carbonate + heat → calcium oxide + carbon dioxide