Balancing Equations - Temecula Valley Unified School District

Balancing Equations

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Balancing Equations

Directions: Balance each equation & find the correct answer in one of the 3 columns below. Shade in the answer box with the color given & then color the picture on the next page accordingly. *If the color is white, just circle the answer.

#

Question

1

Al + O2 Al2O3

Answer Choice A

2Al + O2 Al2O3 Color BLUE

Answer Choice B

2Al + 3O2 2Al2O3 Color YELLOW

Answer Choice C

4Al + 3O2 2Al2O3 Color LIGHT GREEN

2

Na + H2O NaOH + H2

2Na + 2H2O 2NaOH + H2 2Na + 2H2O 2NaOH + 2H2 3Na + 3H2O 3NaOH + H2

Color LIGHT GREEN

Color DARK PURPLE

Color RED

3

C2H6 + O2 CO2 + H2O

C2H6 + O2 2CO2 + 4H2O

Color ORANGE

2C2H6 + 7O2 4CO2 + 6H2O

Color BLUE

2C2H6 + 5O2 4CO2 + 6H2O

Color PINK

4

NiCO3 NiO + CO2

NiCO3 2NiO + CO2 Color BLACK

NiCO3 NiO + CO2 Color ORANGE

2NiCO3 2NiO + CO2 Color LIGHT PURPLE

5

C3H8O3 + O2 CO2 + H2O

C3H8O3 + 3O2 3CO2 + 4H2O

Color YELLOW

2C3H8O3 + 7O2 6CO2 + 8H2O

Color LIGHT GREEN

2C3H8O3 + 8O2 6CO2 + 4H2O

Color WHITE

6

N2O5 + H2O HNO3

N2O5 + 2H2O 4HNO3 2N2O5 + H2O 4HNO3 N2O5 + H2O 2HNO3

Color DARK BLUE

Color RED

Color LIGHT PURPLE

7

HCl + Ca(OH)2 CaCl2 + H2O

2HCl + Ca(OH)2 CaCl2 + 2H2O HCl + 2Ca(OH)2 2CaCl2 + H2O 2HCl + 2Ca(OH)2 CaCl2 + 2H2O

Color LIGHT GREEN

Color PINK

Color ORANGE

8

Zn + AgNO3 Zn(NO3)2 + Ag

2Zn + 2AgNO3 2Zn(NO3)2 + 2Ag

Color DARK PURPLE

2Zn + AgNO3 2Zn(NO3)2 + Ag

Color YELLOW

Zn + 2AgNO3 Zn(NO3)2 + 2Ag

Color BLUE

9

Mg + O2 MgO

2Mg + O2 2MgO

Color ORANGE

Mg + O2 2MgO Color RED

2Mg + 2O2 2MgO

Color BLACK

10

NH4NO3 N2O + H2O

4NH4NO3 2N2O + H2O Color BLUE

2NH4NO3 N2O + 4H2O

Color DARK GREEN

NH4NO3 N2O + 2H2O Color WHITE

11

Mg + LiNO3 Mg(NO3)2 + Li

Mg + 2LiNO3 Mg(NO3)2 + 2Li Mg + 2LiNO3 2Mg(NO3)2 + 2Li 2Mg + 2LiNO3 2Mg(NO3)2 + 2Li

Color LIGHT GREEN

Color PURPLE

Color PINK

12

Cu + FeSO4 CuSO4 + Fe

2Cu + FeSO4 2CuSO4 + Fe

Color YELLOW

Cu + 2FeSO4 CuSO4 + 2Fe

Color BLACK

Cu + FeSO4 CuSO4 + Fe

Color LIGHT GREEN

13

C6H6 + O2 CO2 + H2O

C6H6 + 7O2 6CO2 + 3H2O 2C6H6 + 1 5O2 1 2CO2 + 6H2O C6H6 + O2 6CO2 + 3H2O

Color RED

Color ORANGE

Color BROWN

14

Ag2O Ag + O2

2Ag2O 4Ag + O2 Color LIGHT BLUE

Ag2O 2Ag + O2 Color DARK PURPLE

2Ag2O 4Ag + 2O2 Color YELLOW

15

KOH + H3PO4 K3PO4 + H2O

3KOH + H3PO4 K3PO4 + 3H2O KOH + 2H3PO4 K3PO4 + 3H2O 3KOH + 2H3PO4 K3PO4 + 3H2O

Color BLUE

Color WHITE

Color PINK

16

BaCl2 + K2CO3 BaCO3 + KCl

BaCl2 + K2CO3 BaCO3 + KCl 2BaCl2 + K2CO3 2BaCO3 + 2KCl BaCl2 + K2CO3 BaCO3 + 2KCl

Color ORANGE

Color BLACK

Color BLUE

17

CH3OH + O2 CO2 + H2O

CH3OH + O2 CO2 + 2H2O

Color WHITE

2CH3OH + 3O2 2CO2 + 4H2O

Color BLUE

2CH3OH + 2O2 3CO2 + 4H2O

Color RED

18

H2O2 H2O + O2

2H2O2 2H2O + O2 Color DARK PURPLE

H2O2 2H2O + O2 Color BROWN

2H2O2 H2O + 2O2 Color YELLOW

19

Mg + Zn(NO3)2 Mg(NO3)2 + Zn

2Mg + 3Zn(NO3)2 2Mg(NO3)2 + 3Zn

Color PINK

Mg + Zn(NO3)2 Mg(NO3)2 + Zn

Color LIGHT GREEN

2Mg + Zn(NO3)2 2Mg(NO3)2 + Zn

Color LIGHT BLUE

20

K + Cl2 KCl

2K + Cl2 2KCl Color ORANGE

K + Cl2 KCl Color RED

2K + 2Cl2 4KCl Color WHITE

? Science Chick 2016

Name: ___________________________________

Balancing Equations

Directions: Balance each equation & find the correct answer in one of the 3 columns below. Shade in the answer box with the color given & then color the picture on the next page accordingly. *If the color is white, just circle the answer.

#

Question

1

Al + O2 Al2O3

Answer Choice A

2Al + O2 Al2O3 Color BLUE

Answer Choice B

2Al + 3O2 2Al2O3 Color YELLOW

Answer Choice C

4Al + 3O2 2Al2O3 Color LIGHT GREEN

2

Na + H2O NaOH + H2

2Na + 2H2O 2NaOH + H2 2Na + 2H2O 2NaOH + 2H2 3Na + 3H2O 3NaOH + H2

Color LIGHT GREEN

Color DARK PURPLE

Color RED

3

C2H6 + O2 CO2 + H2O

C2H6 + O2 2CO2 + 4H2O

Color ORANGE

2C2H6 + 7O2 4CO2 + 6H2O

Color BLUE

2C2H6 + 5O2 4CO2 + 6H2O

Color PINK

4

NiCO3 NiO + CO2

NiCO3 2NiO + CO2 Color BLACK

NiCO3 NiO + CO2 Color ORANGE

2NiCO3 2NiO + CO2 Color LIGHT PURPLE

5

C3H8O3 + O2 CO2 + H2O

C3H8O3 + 3O2 3CO2 + 4H2O

Color YELLOW

2C3H8O3 + 7O2 6CO2 + 8H2O

Color LIGHT GREEN

2C3H8O3 + 8O2 6CO2 + 4H2O

Color WHITE

6

N2O5 + H2O HNO3

N2O5 + 2H2O 4HNO3 2N2O5 + H2O 4HNO3 N2O5 + H2O 2HNO3

Color DARK BLUE

Color RED

Color LIGHT PURPLE

7

HCl + Ca(OH)2 CaCl2 + H2O

2HCl + Ca(OH)2 CaCl2 + 2H2O HCl + 2Ca(OH)2 2CaCl2 + H2O 2HCl + 2Ca(OH)2 CaCl2 + 2H2O

Color LIGHT GREEN

Color PINK

Color ORANGE

8

Zn + AgNO3 Zn(NO3)2 + Ag

2Zn + 2AgNO3 2Zn(NO3)2 + 2Ag

Color DARK PURPLE

2Zn + AgNO3 2Zn(NO3)2 + Ag

Color YELLOW

Zn + 2AgNO3 Zn(NO3)2 + 2Ag

Color BLUE

9

Mg + O2 MgO

2Mg + O2 2MgO

Color ORANGE

Mg + O2 2MgO Color RED

2Mg + 2O2 2MgO

Color BLACK

10

NH4NO3 N2O + H2O

4NH4NO3 2N2O + H2O Color BLUE

2NH4NO3 N2O + 4H2O

Color DARK GREEN

NH4NO3 N2O + 2H2O Color WHITE

11

Mg + LiNO3 Mg(NO3)2 + Li

Mg + 2LiNO3 Mg(NO3)2 + 2Li Mg + 2LiNO3 2Mg(NO3)2 + 2Li 2Mg + 2LiNO3 2Mg(NO3)2 + 2Li

Color LIGHT GREEN

Color PURPLE

Color PINK

12

Cu + FeSO4 CuSO4 + Fe

2Cu + FeSO4 2CuSO4 + Fe

Color YELLOW

Cu + 2FeSO4 CuSO4 + 2Fe

Color BLACK

Cu + FeSO4 CuSO4 + Fe

Color LIGHT GREEN

13

C6H6 + O2 CO2 + H2O

C6H6 + 7O2 6CO2 + 3H2O 2C6H6 + 1 5O2 1 2CO2 + 6H2O C6H6 + O2 6CO2 + 3H2O

Color RED

Color ORANGE

Color BROWN

14

Ag2O Ag + O2

2Ag2O 4Ag + O2 Color LIGHT BLUE

Ag2O 2Ag + O2 Color DARK PURPLE

2Ag2O 4Ag + 2O2 Color YELLOW

15

KOH + H3PO4 K3PO4 + H2O

3KOH + H3PO4 K3PO4 + 3H2O KOH + 2H3PO4 K3PO4 + 3H2O 3KOH + 2H3PO4 K3PO4 + 3H2O

Color BLUE

Color WHITE

Color PINK

16

BaCl2 + K2CO3 BaCO3 + KCl

BaCl2 + K2CO3 BaCO3 + KCl 2BaCl2 + K2CO3 2BaCO3 + 2KCl BaCl2 + K2CO3 BaCO3 + 2KCl

Color ORANGE

Color BLACK

Color BLUE

17

CH3OH + O2 CO2 + H2O

CH3OH + O2 CO2 + 2H2O

Color WHITE

2CH3OH + 3O2 2CO2 + 4H2O

Color BLUE

2CH3OH + 2O2 3CO2 + 4H2O

Color RED

18

H2O2 H2O + O2

2H2O2 2H2O + O2 Color DARK PURPLE

H2O2 2H2O + O2 Color BROWN

2H2O2 H2O + 2O2 Color YELLOW

19

Mg + Zn(NO3)2 Mg(NO3)2 + Zn

2Mg + 3Zn(NO3)2 2Mg(NO3)2 + 3Zn

Color PINK

Mg + Zn(NO3)2 Mg(NO3)2 + Zn

Color LIGHT GREEN

2Mg + Zn(NO3)2 2Mg(NO3)2 + Zn

Color LIGHT BLUE

20

K + Cl2 KCl

2K + Cl2 2KCl Color ORANGE

K + Cl2 KCl Color RED

2K + 2Cl2 4KCl Color WHITE

? Science Chick 2016

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Answer Key

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1

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1

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