Balancing Chemical Equations

What is the part of the chemical equation in green called?

Fe + S → FeS

• products

• reactants

• yield

• chemical formula

What is the part of the chemical equation in green called?

Fe + S → FeS

• products

• reactants

• yield

• chemical formula

What coefficient should be used to make the following equation balanced?

N₂+O₂ → __NO

• 1

• 2

• 3

• 4

What coefficient should be used to make the following equation balanced?

Mg + __HCl → MgCl₂ + H₂

• 1

• 3

• 2

• 4

Is this equation balanced?

Al + O₂ → 2Al₂O₃

• Yes

• No

Is this equation balanced?

Fe₂O + 2Mg → Mg₂O + 2Fe

• Yes

• No

What are the coefficients that would properly balance this equation?

__Al +__HCl → __H₂ +__AlCl₃

• 1, 1, 1, 1

• 2, 6, 3, 2

• 4, 12, 3, 4

• 2, 1, 4, 5

What are the coefficients that would properly balance this equation?

__H₂ + __Cl₂ → __HCl

• 1, 1, 1

• 1, 1, 2

• 3, 1, 6

• 1, 3, 6

What are the coefficients that would properly balance this equation?

__HgO → __Hg + __O₂

• 1, 1, 1

• 2, 2, 1

• 2, 1, 1

• 1, 1, 2

Balance this equation:

__Sb₂S₃ + __O₂ → __Sb + __SO₂

• 1, 1, 1, 1

• 1, 1, 2, 1

• 1, 3, 2, 3

• 3, 3, 2, 1