5. Translate the following statements into chemical equations and balance them.
a) Magnesium carbonate reacts with hydrochloric acid to produce magnesium
chloride, carbon dioxide and water.
b) Sodium hydroxide reacts with sulphuric acid to produce sodium sulphate and
water.
c) Magnesium burns in carbon dioxide to form magnesium oxide and carbon.
d) Sodium hydroxide solution reacts with hydrochloric acid solution to produce
sodium chloride solution and water.
e) Ammonia reacts with oxygen to form nitrogen and water
Answers
Answer:
suuport me
Explanation:
(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
(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