Answer

1. 2H₂O₂(l) --->2H₂O(l) + O₂(g)

2. 2Mg(s) + O₂(g) ---> 2MgO(s)

3. BaCl₂(aq) + H₂SO₄(aq) ---> BaSO₄(s) + 2HCl(aq)

4. (NH₄)₂Cr₂O₇(s) ---> N₂(g) + 4 H₂O(g) + Cr₂O₃(s)

5. Mg₃N₂(s) + 6H₂O(l) ---> 2NH₃(g) + 3Mg(OH)₂(s)

6. Write and balance the equation showing the reaction between iron(III) oxide and carbon monoxide to form iron

metal and carbon dioxide.

Fe₂O₃(s) + 3CO(g) ---> 2Fe(s) + 3CO₂(s)

7. Write and balance the equation showing the reaction between nitrogen monoxide gas and hydrogen gas to

form nitrogen gas and water vapor.

2NO(g) + 2H₂(g) ---> N₂(g) + 2H₂O(g)

8. Write and balance the equation showing the reaction between calcium metal and water to form aqueous

calcium hydroxide and hydrogen gas.

Ca(s) + 2H₂O(l) ----> Ca(OH)₂(aq) + H₂(g)

9. Write and balance the equation showing the reaction between iron (III) oxide and carbon monoxide to form

iron (II) oxide and carbon dioxide.

Fe₂O₃(s) + CO(g) ---> 2FeO(s) + CO₂(s)

10. Write and balance the equation showing the reaction between copper metal and aqueous sulfuric acid

to form aqueous copper (II) sulfate, sulfur dioxide gas and water vapor.

Cu(s) + 2H₂SO₄(aq) ----> CuSO₄(aq) + SO₂(g) + 2H₂O(l)