translate the following statement into chemical equation and balance them
a) hydrogen gas combines with nitrogen to form ammonia
b) hydrogen sulphide gas burns in oxygen to give water and Sulphur dioxide
c) barium chloride reacts with Aluminium sulphate to give aluminium chloride and precipate of barium sulphide
d)potassium metal reacts with water to produce potassium hydroxide and hydrogen gas
Answers
(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:
(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