Chemical Word Equations

Question 1

Aqueous sodium chloride reacts with aqueous lead (II) nitrate to yield solid lead (II) chloride and aqueous sodium nitrate.

Answer 1

2NaCl (aq) + Pb(NO₃)₂ (aq) → PbCl₂ (s) + 2NaNO₃ (aq)

Question 2

Aqueous barium nitrate reacts with sulfuric acid to yield solid barium sulfate and nitric acid.

Answer 2

Ba(NO₃)₂ (aq) + H₂SO₄ (aq) → BaSO₄ (s) + 2HNO₃ (aq)

Question 3

Silver nitrate reacts in solution with potassium chromate to yield solid silver chromate and aqueous potassium nitrate.

Answer 3

2AgNO₃ (aq) + K₂CrO₄ (aq) → Ag₂CrO₄ (s) + 2KNO₃ (aq)

Question 4

Solid calcium carbonate reacts with hydrochloric acid to yield aqueous calcium chloride, carbon dioxide gas, and liquid water.

Answer 4

CaCO₃ (s) + 2HCl (aq) → CaCl₂ (aq) + CO₂ (g) + H₂O (l)

Question 5

Aqueous zinc chloride reacts with dihydrogen monosulfide gas to yield solid zinc sulfide and hydrochloric acid.

Answer 5

ZnCl₂ (aq) + H₂S (g) → ZnS (s) + 2HCl (aq)

Question 6

Magnesium nitrate reacts in solution with potassium hydroxide to yield solid magnesium hydroxide and aqueous potassium nitrate.

Answer 6

Mg(NO₃)₂ (aq) + 2KOH (aq) → Mg(OH)₂ (s) + 2KNO₃ (aq)

Question 7

Solid aluminum hydroxide reacts with nitric acid to yield soluble aluminum nitrate and liquid water.

Answer 7

Al(OH)₃ (s) + 3HNO₃ (aq) → Al(NO₃)₃ (aq) + 3H₂O (l)

Question 8

Aqueous lead (IV) nitrate reacts with aqueous sodium sulfate to yield solid lead (IV) sulfate precipitate and aqueous sodium nitrate.

Answer 8

Pb(NO₃)₄ (aq) + 2Na₂SO₄ (aq) → Pb(SO₄)₂ (s) + 4NaNO₃ (aq)

Question 9

Aqueous sodium hydroxide reacts with carbon dioxide gas to yield aqueous sodium carbonate and liquid water.

Answer 9

2NaOH (aq) + CO₂ (g) → Na₂CO₃ (aq) + H₂O (l)

Question 10

Solid magnesium oxide reacts with hydrochloric acid to yield a solution of magnesium chloride and liquid water.

Answer 10

MgO (s) + 2HCl (aq) → MgCl₂ (aq) + H₂O (l)

Question 11

Solid zinc metal reacts with sulfuric acid to yield aqueous zinc sulfate and hydrogen gas.

Answer 11

Zn (s) + H₂SO₄ (aq) → ZnSO₄ (aq) + H₂ (g)

Question 12

Solid iron (III) oxide reacts with solid aluminum metal to yield solid aluminum oxide and solid iron metal.

Answer 12

Fe₂O₃ (s) + 2Al (s) → Al₂O₃ (s) + 2Fe (s)

Question 13

2NaCl (aq) + Pb(NO₃)₂ (aq) → PbCl₂ (s) + 2NaNO₃ (aq)

Answer 13

Aqueous sodium chloride reacts with aqueous lead (II) nitrate to yield solid lead (II) chloride and aqueous sodium nitrate.

Question 14

Ba(NO₃)₂ (aq) + H₂SO₄ (aq) → BaSO₄ (s) + 2HNO₃ (aq)

Answer 14

Aqueous barium nitrate reacts with sulfuric acid to yield solid barium sulfate and nitric acid.

Question 15

2AgNO₃ (aq) + K₂CrO₄ (aq) → Ag₂CrO₄ (s) + 2KNO₃ (aq)

Answer 15

Silver nitrate reacts in solution with potassium chromate to yield solid silver chromate and aqueous potassium nitrate.

Question 16

CaCO₃ (s) + 2HCl (aq) → CaCl₂ (aq) + CO₂ (g) + H₂O (l)

Answer 16

Solid calcium carbonate reacts with hydrochloric acid to yield aqueous calcium chloride, carbon dioxide gas, and liquid water.

Question 17

ZnCl₂ (aq) + H₂S (g) → ZnS (s) + 2HCl (aq)

Answer 17

Aqueous zinc chloride reacts with dihydrogen monosulfide gas to yield solid zinc sulfide and hydrochloric acid.

Question 18

Mg(NO₃)₂ (aq) + 2KOH (aq) → Mg(OH)₂ (s) + 2KNO₃ (aq)

Answer 18

Magnesium nitrate reacts in solution with potassium hydroxide to yield solid magnesium hydroxide and aqueous potassium nitrate.

Question 19

Al(OH)₃ (s) + 3HNO₃ (aq) → Al(NO₃)₃ (aq) + 3H₂O (l)

Answer 19

Solid aluminum hydroxide reacts with nitric acid to yield soluble aluminum nitrate and liquid water.

Question 20

Pb(NO₃)₄ (aq) + 2Na₂SO₄ (aq) → Pb(SO₄)₂ (s) + 4NaNO₃ (aq)

Answer 20

Aqueous lead (IV) nitrate reacts with aqueous sodium sulfate to yield solid lead (IV) sulfate precipitate and aqueous sodium nitrate.

Question 21

2NaOH (aq) + CO₂ (g) → Na₂CO₃ (aq) + H₂O (l)

Answer 21

Aqueous sodium hydroxide reacts with carbon dioxide gas to yield aqueous sodium carbonate and liquid water.

Question 22

MgO (s) + 2HCl (aq) → MgCl₂ (aq) + H₂O (l)

Answer 22

Solid magnesium oxide reacts with hydrochloric acid to yield a solution of magnesium chloride and liquid water.

Question 23

Zn (s) + H₂SO₄ (aq) → ZnSO₄ (aq) + H₂ (g)

Answer 23

Solid zinc metal reacts with sulfuric acid to yield aqueous zinc sulfate and hydrogen gas.

Question 24

Fe₂O₃ (s) + 2Al (s) → Al₂O₃ (s) + 2Fe (s)

Answer 24

Solid iron (III) oxide reacts with solid aluminum metal to yield solid aluminum oxide and solid iron metal.