Change the following word equations into chemical equations and balance:
a. Zinc + lead nitrate to yield zinc nitrate and lead.
b. Barium + Water to yield barium hydroxide and hydrogen.
c. Potassium chlorate when heated to yield potassium chloride and oxygen
d. aluminium sulphate + sodium hydroxide to yield aluminium hydroxide and sodium sulphate.
e. Calcium hydroxide + phosphoric acid to yield calcium phosphate and water.
f. Copper + Sulphuric acid to yield copper (II) sulphate + water and Sulphur dioxide.
g. Hydrogen + Nitrogen monoxide to yield water and nitrogen.
h. Aluminium bromide + chlorine to yield aluminium chloride and bromine.
i. Calcium carbonate decomposes to yield calcium oxide and carbon dioxide.
j. Ferrous sulphate decomposes to yield ferric oxide + Sulphur dioxide + Sulphur trioxide.
k. Sodium chloride + lead nitrate to yield lead chloride and sodium nitrate.
l. Iron + chlorine to give ferric chloride.
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Explanation:
1. Zinc + lead nitrate to yield zinc nitrate and lead.
=Zn + Pb(NO3)2 → Pb + Zn(NO3)2
2. Barium + Water to yield barium hydroxide and hydrogen.
=B a ( s ) + 2 H ₂O ( l ) → B a ( O H ) ₂ ( a q ) + H ₂ ( g)
3. Potassium chlorate when heated to yield potassium chloride and oxygen
=2KClO₃(s)+heat→2KCl(s)+3O₂(g)
4. aluminium sulphate + sodium hydroxide to yield aluminium hydroxide and sodium sulphate.
=Al₂(SO₄)₃+6NaoH → 2Al(OH)₃+3Na₂So₄
5. Calcium hydroxide + phosphoric acid to yield calcium phosphate and water.
=3 C a ( O H ) ₂ + 2H ₃P O ₄→ C a ₃ ( P O ₄) ₂ + 6 H ₂ O
6. Copper + Sulphuric acid to yield copper (II) sulphate + water and Sulphur dioxide.
=Cu+2H₂So₄ → CuSO₄+So₂+2H₂O
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