Question

Write a balanced chemical equation for each of the following

(1). The reaction of magnesium oxide with iron to form iron(iii) oxide and magnesium.
(2). Hydrogen reacts with iodine gas to form hydrogen iodide.
(3). Sodium reacts with iodine gas to form sodium iodide.
(4).Sodium oxide reacts with water to form sodium hydroxide and hydrogen.

Answer 1

1.) MgO + Fe --> FeO + Mg
2.) H + I --> HI
3.) Na + I --> NaI
4.) NaO + H2O --> NaOH + H