Translate the following statements into chemical equations and then balance them.>(a) 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
Answer:
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