Chemistry: Balancing Chemical Equations

Question 1

Balance the following chemical equation: __Fe + __H₂SO₄ ⇒ __Fe₂(SO₄)₃ + __H₂

Answer 1

2Fe + 3H₂SO₄ ⇒ 1Fe₂(SO₄)₃ + 2H₂​

Question 2

Balance the following chemical equation: __C₂H₆ + __O₂ ⇒ __H₂O + __CO₂

Answer 2

2C₂H₆ + 7O₂ ⇒ 6H₂O + 4CO₂

Question 3

Balance the following chemical equation: __KOH + __H₃PO₄ ⇒ __K₃PO₄ + __H₂O

Answer 3

3KOH + 1H₃PO₄ ⇒ 1K₃PO₄ + 3H₂​O

Question 4

Balance the following chemical equation: __SnO₂ + __H₂ ⇒ __Sn + __H2​O

Answer 4

1SnO₂ + 2H₂ ⇒ 1Sn + 2H2​O

Question 5

Balance the following chemical equation: __NH₃ + __O₂ ⇒ __NO + __H₂O

Answer 5

4NH₃ + 5O₂ ⇒ 4NO + 6H₂​O

Question 6

Balance the following chemical equation: __KNO₃ + __H₂CO₃ ⇒ __K₂CO₃ + __HNO₃

Answer 6

2KNO₃ + 1H₂CO₃ ⇒ 1K₂CO₃ + 2HNO₃​

Question 7

Balance the following chemical equation: __B₂Br₆ + __HNO₃ ⇒ __B(NO₃)₃ + __HBr

Answer 7

1B₂Br₆ + 6HNO₃ ⇒ 2B(SO₃)₃ + 6HBr

Question 8

Balance the following chemical equation: __BF₃ + __Li₂SO₃ ⇒ __B₂(SO₃)₃ + __LiF

Answer 8

2BF₃ + 3Li₂SO₃ ⇒ 1B₂(SO₃)₃ + 6LiF

Question 9

Balance the following chemical equation: __(NH₄)₃PO₄ + __Pb(NO₃)₄ ⇒ __Pb₃(PO₄)₄ + __NH₄NO₃

Answer 9

4(NH₄)₃PO₄ + 3Pb(NO₃)₄ ⇒ 1Pb₃(PO₄)₄ + 12NH₄NO₃

Question 10

Balance the following chemical equation: __SeCl₆ + __O₂ ⇒ __SeO₂ + __Cl₂

Answer 10

1SeCl₆ + 1O₂ ⇒ 1SeO₂ + 3Cl₂​