Question

5 Translate the following statements into
chemical equations and then balance them:
(i) Hydrogen gas combines with nitrogen to form
ammonia.
(ii) Hydrogen sulphide gas burns in air to give water
and sulphur dioxide.
(iii) Barium chloride reacts with aluminium sulphate to
give aluminium chloride and a precipitate of
barium sulphate.
(iv) Potassium metal reacts with water to give
potassium hydroxide and hydrogen gas.​

Answer 1

Explanation:

3H2 + N2= 2NH3

2H2S + 3O2 = 2H2O + 2SO2

3BaCl2 +Al2(SO4)3 = 2AlCl3 + 3BaSO4

2K + 2H2O = 2KOH + H2

Answer 2

Answer:1.N2(g) + 3H2(g) ⇔ 2NH3(g) + Heat

2.2H2S + 302 → 2SO2 + 2H2O

3.Al2(SO4)3 + 3BaCl2 ------> 2AlCl3 + 3BaSO4

4.K ( s )+2 H 2O ( l )→2 K O H ( a q )+H 2 ( g )

Explanation:

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