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Balancing Equations Worksheet

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The document provides a worksheet with 20 chemical equations that need to be balanced along with the answers. Common techniques for balancing equations such as determining coefficients and balancing elements are demonstrated.

Examples include balancing equations for reactions involving Na3PO4 + KOH, MgF2 + Li2CO3, P4 + O2, and others listed on pages 1-2.

Many of the equations are balanced using common integer coefficients like 1, 2, 3. Elements are balanced on both sides of the equations. Blank spaces in the equations represent coefficients of 1.

Balancing Equations Worksheet

1)

____ Na3PO4 + ____ KOH ____ NaOH + ____ K3PO4

2)

____ MgF2 + ____ Li2CO3 ____ MgCO3 + ____ LiF

3)

____ P4 + ____ O2 ____ P2O3

4)

____ RbNO3 + ____ BeF2 ____ Be(NO3)2 + ____ RbF

5)

____ AgNO3 + ____ Cu ____ Cu(NO3)2 + ____ Ag

6)

____ CF4 + ____ Br2 ____ CBr4 + ____ F2

7)

____ HCN + ____ CuSO4 ____ H2SO4 + ____ Cu(CN)2

8)

____ GaF3 + ____ Cs ____ CsF + ____ Ga

9)

____ BaS + ____ PtF2 ____ BaF2 + ____ PtS

10)

____ N2 + ____ H2 ____ NH3

11)

____ NaF + ____ Br2 ____ NaBr + ____ F2

12)

____ Pb(OH)2 + ____ HCl ____ H2O + ____ PbCl2

13)

____ AlBr3 + ____ K2SO4 ____ KBr + ____ Al2(SO4)3

14)

____ CH4 + ____ O2 ____ CO2 + ____ H2O

15)

____ Na3PO4 + ____ CaCl2 ____ NaCl + ____ Ca3(PO4)2

16)

____ K + ____ Cl2 ____ KCl

17)

____ Al + ____ HCl ____ H2 + ____ AlCl3

18)

____ N2 + ____ F2 ____ NF3

19)

____ SO2 + ____ Li2Se ____ SSe2 + ____ Li2O

20)

____ NH3 + ____ H2SO4 ____ (NH4)2SO4

2004 Cavalcade Publishing, All Rights Reserved

For chemistry help, visit www.chemfiesta.com

Balancing Equations Worksheet Answers


Note to students: It is acceptable to leave spaces blank when balancing
equations blank spaces are interpreted as containing the number 1.
1)

1 Na3PO4 + 3 KOH 3 NaOH + 1 K3PO4

2)

1 MgF2 + 1 Li2CO3 1 MgCO3 + 2 LiF

3)

1 P4 + 3 O2 2 P2O3

4)

2 RbNO3 + 1 BeF2 1 Be(NO3)2 + 2 RbF

5)

2 AgNO3 + 1 Cu 1 Cu(NO3)2 + 2 Ag

6)

1 CF4 + 2 Br2 1 CBr4 + 2 F2

7)

2 HCN + 1 CuSO4 1 H2SO4 + 1 Cu(CN)2

8)

1 GaF3 + 3 Cs 3 CsF + 1 Ga

9)

1 BaS + 1 PtF2 1 BaF2 + 1 PtS

10)

1 N2 + 3 H2 2 NH3

11)

2 NaF + 1 Br2 2 NaBr + 1 F2

12)

1 Pb(OH)2 + 2 HCl 2 H2O + 1 PbCl2

13)

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

14)

1 CH4 + 2 O2 1 CO2 + 2 H2O

15)

2 Na3PO4 + 3 CaCl2 6 NaCl + 1 Ca3(PO4)2

16)

2 K + 1 Cl2 2 KCl

17)

2 Al + 6 HCl 3 H2 + 2 AlCl3

18)

1 N2 + 3 F2 2 NF3

19)

1 SO2 + 2 Li2Se 1 SSe2 + 2 Li2O

20)

2 NH3 + 1 H2SO4 1 (NH4)2SO4

2004 Cavalcade Publishing, All Rights Reserved

For chemistry help, visit www.chemfiesta.com

2004 Cavalcade Publishing, All Rights Reserved

For chemistry help, visit www.chemfiesta.com

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