Free Printable Balance equations

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Balance equations

Total questions: 15

Worksheet time: 33mins

Name

Class

Date

Which of the following choices gives the correct coefficients of the chemical equation, _Al + _O₂ → _ Al₂O₃ respectively?

2,2,2

2,3,2

4,2,2

4,3,2

Balance this equation

_ S + _ O₃ → _ SO₂

Note: Write the coefficient "1" to avoid ambiguity

(a)

Balance this equation

_ Zn + _ HCl → _ ZnCl₂ + _ H₂

Note: Write the coefficient "1" to avoid ambiguity

(a)

Balance this equation

_ C₅H₁₂ + _ O₂ → _ CO₂ + _ H₂O

Note: Write the coefficient "1" to avoid ambiguity

(a)

How do you write the balanced equation of burned propane (C₃H₈) in the presence of oxygen to produce water and carbon dioxide?

C₃H₈ + O₂ → H₂O + CO₂

C₃H₈ + O₂ → 4H₂O + 3CO₂

C₃H₈ + 5O₂→ 4H₂O + 3CO₂

C₃H₈ + 3O₂ → 2H₂O + 3CO₂

Balance the equation below

_C + _H₂O → _CH₄ + _CO₂

_{Note: Write the coefficient "1" to avoid ambiguity}

(a)

Balance the equation below

_ WO₃ + _H₂ → _W + _H₂O

_{Note: Write the coefficient "1" to avoid ambiguity}

(a)

Balance this equation:

F₃+H₃-->_HF

Which problem is balanced?
(Check ALL answers)

PbO₂ + 2H₂

SO₂ + H₂0 --> H₂SO₄

2Na + 2H₂O --> 2NaOH + H₂

10.

Balance this equation
_Al +_HCl --> _H₂+_AlCl₃

2, 6, 3, 2

it is already balanced

4, 12, 3, 4

2, 1, 4, 5

11.

Balance this equation.
_Mg + _Cl₂--> _MgCl₂

1, 2,1

already balanced

2,1,1

1,1,2

12.

Balance this equation, CaCO₃(s) → CaO(s) + CO₂(g)?

3,1,2

1,1,1

1,3,1

2,6,3

13.

Balance this equation, AlCl₃+ NaOH → Al(OH)₃ + NaCl

3,1,3,1

1,3,3,1

1,1,1,3

1,3,1,3

14.

Balance the following equation: Cr(s) + Fe(NO₃)₂(ag) → Fe(s) + Cr(NO₃)₃ (ag)

2,3,3,2

2,3,2,3

4,6,6,2

1,3,3,1

15.

Fill in the blanks with coefficient:
PCl₅+_ H₂O→_ HCl+H₃PO₄

4, 5

1, 6

3, 8

2,2

Reset

Balance equations

Total questions: 15

Worksheet time: 33mins

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