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Question Question 9
Give balanced chemical equations for the reaction of water with:
(a) Sodium
(b) Iron
(c) Carbon dioxide
(d) Sodium oxide
(a) 2Na + 2H2O ⟶ 2NaOH + H2 (g)
(b) 3Fe + 4H2O ⇌ Fe3O4 + 4H2 (g)
(c) CO2 + H2O ⟶ H2CO3
(d) Na2O + H2O ⟶ 2NaOH