Balance the following equations:

(i) Na + 0₂ Na₂0

(ii) H₂0₂H₂0 + 0₂

(iii) Mg(OH)₂ +HCl MgCl₂+ H₂0

(iv) Fe +0₂Fe₂0₃

(v) Al(OH)₃Al₂0₃ + H₂0

(vi) NH₃ + CuO Cu +N₂+ H₂0

(vii) Al₂(S0₄)₃ + NaOH Al(OH)₃ + Na₂S0₄

(viii) HN0₃ +Ca(OH)₂Ca(NO₃)₂ + H₂O

(ix) NaOH+H₂S0₄Na₂SO₄ +H₂O

(x) BaCl₂+H₂S0₄ BaSO₄+ HCl

(i) 4Na + 0₂ 2Na₂0

4 moles of Sodium will balance rthe reaction.

(ii) 2H₂0₂ 2H₂0 + 0₂

2 moles of hydrogen peroxide and dihydrogen oxide balances the equation.

(iii) Mg(OH) + 2HCl MgCl₂ + 2H₂0.

2 moles of HCl and 2 moles of hydrogen peroxide will balance the equation.

(iv) 4Fe + 30₂2Fe₂0₃

Adding 4 moles of Fe and balancing the equation with Fe will complete the equation.

(v) 2Al(0H)₃ Al₂0₃ + 3H₂0

2 moles of aluminum hydroxide and 3 moles of water will balance the equation.

(vi) 2NH₃ + 3Cu0 3Cu + N₂ + 3H₂0

Adding 2 moles of ammonia and balancing the equation accordingly.

(vii) Al2(S0)₂ + 6NaOH 2Al(0H) + 3Na2S04

6 moles of NaoH and balancing the oxygen and sodium will complete the equation.

(viii) 2HN0₃ +Ca(OH)₂Ca(N03)₂ + 2H₂0

2 moles Nitric acid and 2 moles of water will balance the equation.

(ix) 2NaOH + B₂S04 Na₂S0₄ + 2H₂0

2 moles of sodium hydroxide and 2 moles of water will balance the reaction.

(x) BaCl₂ +H₂S0₄ BaS0₄ + 2HCl

2 moles of HCl will balance the reaction.