Balancing Equations Review

In the following chemical equation: FeO + CO --> Fe + CO₂, which compound(s) are the products?

• Fe only

• FeO only

• FeO and CO

• Fe and CO₂

Tags

NGSS.MS-PS1-2

Balance this reaction:

___HCN + ___CuSO₄ --> ___H₂SO₄ + ___Cu(CN)₂

• 1, 1 --> 2, 1

• 1, 2, --> 1, 2

• 2, 1 --> 1, 1

• 2, 1 --> 2, 1

Tags

NGSS.HS-PS1-7

Balance this reaction:

___RbNO₃ + ___BeF₂ --> ___Be(NO₃)₂ + ___RbF

• 2, 1 --> 1, 2

• 1, 2 --> 2, 1

• 1, 2 --> 1, 1

• 2, 1 --> 2, 1

Tags

NGSS.HS-PS1-7

Balance this reaction:

___GaF₃ + ___Cs --> ___CsF + ___Ga

• 3, 1 --> 1, 1

• 1, 1 --> 3, 1

• 3, 1 --> 1, 3

• 1, 3 --> 3, 1

Tags

NGSS.HS-PS1-7

Balance this reaction:

___AlBr₃ + ___K₂SO₄ --> ___KBr + ___Al₂(SO₄)₃

• 3, 2 --> 1, 6

• 2, 3 --> 6, 1

• 2, 3 --> 4, 3

• 1, 3 --> 6, 2

Tags

NGSS.HS-PS1-7

For the following equation, what is the coefficient for LiCl?

___LiBr + ___Cl₂ --> ___Br₂ + ___LiCl

• 0

• 1

• 2

• 3

Tags

NGSS.HS-PS1-7

In the following chemical equation: FeO + CO --> Fe + CO₂, which compound(s) are the reactants?

• FeO only

• Fe only

• FeO and CO

• Fe and CO₂

Tags

NGSS.MS-PS1-2

Chemical equations are balanced with numbers called

• coefficients

• exponents

• subscripts

• symbols

Tags

NGSS.MS-PS1-5

Balance the following equation:

___AlCl₃ + ___NaOH --> ___Al(OH)₃ + ___NaCl

• 3, 1 --> 3, 1

• 1, 3 --> 3, 3

• 1, 1 --> 3, 2

• 1, 3 --> 1, 3

Tags

NGSS.HS-PS1-7

Balance the following equation:

___Ca + ___ YF₃ --> ___ Y + ___CaF₂

• 3, 2 --> 3, 2

• 2, 3 --> 1, 3

• 3, 2 --> 2, 3

• 2, 3 --> 3, 1

Tags

NGSS.HS-PS1-7