5. Translate the following statements into chemical equations and then balance them.
Hydrogen gas combines with nitrogen to form ammonia.
(b) Hydrogen sulphide gas burns in air to give water and sulpur dioxide.
(c) Barium chloride reacts with aluminium sulphate to give aluminium chloride
and a precipitate of barium sulphate.
(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen
gas.
Answers
Answer:
(a) Hydrogen gas combines with nitrogen to form ammonia.
H
2
(g)+N
2
(g)→NH
3
The balanced equation for this reaction can be written as:
3H
2
(g)+N
2
(g)→2NH
3
(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
H
2
S(g)+O
2
(g)→H
2
O+SO
2
The balanced equation for this reaction can be written as:
2H
2
S(g)+3O
2
(g)→2H
2
O+2SO
2
(c) Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
BaCl
2
+Al
2
(SO
4
)
3
→AlCl
3
+BaSO
4
↓
The balanced equation for this reaction can be written as:
3BaCl
2
+Al
2
(SO
4
)
3
→2AlCl
3
+3BaSO
4
↓
(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
K+H
2
O→KOH+H
2
The balanced equation for this reaction can be written as:
2K+2H
2
O→2KOH+H
2
Explanation:
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Explanation:
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