Free Printable Balancing Equations and Predicting Products

Worksheets

Balancing Equations and Predicting Products

Total questions: 25

Worksheet time: 4hrs 10mins

Name

Class

Date

$S_3H_6\rightarrow\ 3S\ \ +\ \ 3H_2$

double replacement

synthesis

decomposition

single replacement

$3BaCl_2\ +\ 2Na_3PO_4\ \rightarrow\ Ba_3\left(PO_4\right)_2\ +\ 6NaCl$

combustion

single replacement

double replacement

synthesis

$C_6H_{12}\ \ +\ \ O_2\ \rightarrow\ \ CO_2\ \ +\ \ H_2O\$

double replacement

combustion

single replacement

decomposition

$HI\ \rightarrow\ I_2\ +\ H_2$

When the equation above is balanced, what is the coefficient in front of I2?

$Al\left(OH\right)_3\ \rightarrow\ Al_2O_3\ +\ H_2O$

When the equation above is balanced, what is the coefficient for water?

Predict the products of this reaction:

Li2SO4 + Al --> ______ + ______

Li3Al + SO4

Li + Al2(SO4)3

Li + AlSO4

Li2 + Al2(SO4)3

Predict the products for the following reaction:

C4H10 + O2 --> _____ + _____

H10 + C2O

C4O2 + H10

O2H10 + C4

CO2 + H20

Predict the products of the following reaction:

CaO + P --> ____ + ____

Ca3P2 + O2

CaP + O

P2O3 + Ca

PO + Ca2

Predict the products of the following reaction:

Na2CO3 + Mg3N2 ---> ____ + ____

NaMg + CO3N2

Na2N2 + Mg3CO3

Na3N + MgCO3

Na2Mg3 + N2CO3

10.

Predict the products for the this Double Replacement reaction:

AgNO₃ + KCl →

AgCl + KNO₃

AgK + ClNO₃

KAg + NO₃Cl

AgCl + 3 KNO

11.

Predict the products of the following reaction. No need to balance. Iron (III) is the form used in this equation.

Fe + O₂ →

Fe₂O₃

FeO

Fe₃O₂

Fe₃O

12.

Predict the products of the following reaction. No need to balance.

F₂ + KBr →

FBr + K

KF + Br

KF₂ + Br₂

KF + Br₂

13.

What are the products of this reaction? (Cu+2 charge)

Cu+ AgNO₃-->

Cu(NO₃)₂+Ag

CuNO₃ + Ag

CuAg+NO₃

Cu+ AgNO₃

14.

Which of the following equations represents the balanced synthesis reaction of iron (III) and oxygen?

Fe + 3 O₂ → Fe₂O₃

3 Fe + 3 O₂ → 2 Fe₂O₃

2 Fe + O₂ → Fe₂O₃

4 Fe + 3 O₂ → 2 Fe₂O₃

15.

Choose the answer that balances this equation.

H_{2 +}O_{2 -->}H₂O

2H_{2 +}O_{2 -->}2H₂O

2H_{2 +}2O_{2 -->}H₂O

H_{2 +}2O_{2 -->}2H₂O

balanced already

16.

The Law of Conservation of Mass says:

Matter can be destroyed, but it can't be created.

Matter can be created with any density as long as the volume remains constant.

Matter cannot be created nor destroyed.

Matter can change phases and still be the same substance.

17.

Which choice shows this equation balanced?

K + B₂O_{3 ----->}K₂O + B

2K + B₂O_{3 ----->}K₂O + 3B

K + 2B₂O_{3 ----->}4K₂O + B

6K + B₂O_{3 ----->}3K₂O + 2B

balanced as is.

18.

Choose the answer that shows this equation balanced:

C + S₈ ----->CS₂

4C + S₈ ----->4CS₂

3C + S₈ -----> 2CS₂

C + 2S₈ -----> 6CS₂

8C + S₈ -----> 4CS₂

19.

Choose the Answer that shows this equation balanced:

Na + O₂ ----> Na₂O₂

Na + 3O₂ ----> Na₂O₂

2Na + O₂ ----> Na₂O₂

Na + 2O₂ ----> Na₂O₂

3Na + 2O₂ ----> Na₂O₂

20.

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__H₂ + __S --> __H₂S

1,1 --> 1

2,2 --> 2

1,2 --> 1

1,2 --> 2

21.

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__AgNO₃ + __H₂S --> __Ag₂S+ __HNO₃

2,1 --> 1,2

1,2 --> 1,1

1,2 --> 1,2

1,2 --> 2,1

22.

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CH₄ + __O₂ --> __CO₂+ __H₂O

2,1 --> 2,1

1,2 --> 1,1

1,2 --> 1,2

1,2 --> 2,1

23.

_P₄+_O₂→ _P₂O₃

3 P₄+1 O₂→ 2 P₂O₃

1 P₄+1 O₂→ 2 P₂O₃

1 P₄+ 3 O₂→ 2 P₂O₃

1 P₄+ 2 O₂→ 3 P₂O₃

24.

_AgNO₃ + _Cu →_Cu(NO₃)₂ + _Ag

2 AgNO₃ + 2 Cu → 3 Cu(NO₃)₂ + 1 Ag

2 AgNO₃ + 1 Cu → 1 Cu(NO₃)₂ + 2 Ag

1 AgNO₃ + 2 Cu → 2 Cu(NO₃)₂ + 1 Ag

3 AgNO₃ + 2 Cu → 3 Cu(NO₃)₂ + 2 Ag

25.

_AlBr₃ + _K₂SO₄→ _KBr + _Al₂(SO₄)₃

6 AlBr₃ + 1 K₂SO₄ → 6 KBr + 1 Al₂(SO₄)₃

2 AlBr₃ + 3 K₂SO₄→ 6 KBr + 1 Al₂(SO₄)₃

1 AlBr₃ + 1 K₂SO₄→ 2 KBr + 3 Al₂(SO₄)₃

2 AlBr₃ + 3 K₂SO₄→ 1 KBr + 2 Al₂(SO₄)₃

100 %

Balancing Equations and Predicting Products

Total questions: 25

Worksheet time: 4hrs 10mins

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