Balancing Chemical Equations

Front

Coefficient

Back

The large number in front of a chemical formula.

Front

What is the part of the chemical equation in green called?
Fe + S --> FeS

Back

reactants

Front

What law governs the balancing of chemical equations? Options: Law of Energy,

Law of Conservation of Mass

, Law of Gravity, Law of Matter Movement

Back

Law of Conservation of Mass

Front

How many hydrogen atoms are in 2 H₂?

Back

4

Front

How many Iron (Fe) atoms are in this chemical formula?

Back

4 iron atoms

Front

Ferrous sulfide is reacted with Oxygen, to form Ferric oxide and Sulfur dioxide. What is the balanced equation?

Back

4FeS+7O₂ -> 2Fe₂O₃+4SO₂

Front

Ethane is reacted with Oxygen, to form Carbon dioxide and Water. What is the balanced equation?

Back

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

Front

Ethanol is reacted with Oxygen, to form Carbon dioxide and Water. What is the balanced equation?

Back

C₂H₆O + 3O₂ -> 2CO₂ + 3H₂O

Front

Butane is reacted with Oxygen, to form Carbon dioxide and Water. What is the balanced equation?

Back

2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O

Front

Aluminum is reacted with Sulfuric Acid, to form Aluminum Sulfate and Hydrogen gas. What is the balanced equation?

Back

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂