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Chemical Reactions: Predicting Products and Balancing
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1
2
Predicting Reactions – Double Replacement
Step 1: Write ONE of each ion directly above (or below) the reactants
Step 2: Write ONE of each ion on the product side , but swap the anions
Step 3: Write neutral compounds for the products
Step 4: Balance atoms (or ions) using coefficients
AlCl3 + MgSO4
Al+3Cl-1Mg+2SO42-
Step 1:
Step 2:Cl-1
Al3+ Mg2+SO4
2- +
Step 3:
Predicting Reactions – Double Replacement
AlCl3 + MgSO4
Al+3Cl-1Mg+2SO42-
AlCl3 + MgSO4
Cl-1
Al3+ Mg2+SO4
2- +Al+3Cl-1Mg+2SO42-
+ MgCl2Al2(SO4)3
Write the balanced chemical reaction for the reaction of aluminum chloride and magnesium sulfate.
Predicting Reactions – Double Replacement
2 AlCl3(aq) + 3 MgSO4(aq) Al2(SO4)3(aq) + 3 MgCl2(aq)
Step 4:
Al
ClMg
SO4
Al
ClMg
SO4
1
31
1
2
21
3
2 AlCl3(aq) + 3 MgSO4(aq) Al2(SO4)3(aq) + 3 MgCl2(aq)
261
1
2 AlCl3(aq) + 3 MgSO4(aq) Al2(SO4)3(aq) + 3 MgCl2(aq)
263
3
2 AlCl3(aq) + 3 MgSO4(aq) Al2(SO4)3(aq) + 3 MgCl2(aq)
263
3
initial initial1st 2nd 3rd
BALANCED!!!
Ca+2C2O4-2 Ni+3C2H3O2
-1
Step 1:
Step 2:
C2O4-2Ca2+ Ni3+C2H3O2
-1+
Step 3:
Predicting Reactions – Double Replacement
CaC2O4 + Ni(C2H3O2)3
+ Ni2(C2O4)3Ca(C2H3O2)2
Write the balanced chemical reaction for the reaction of calcium oxalate with nickel (III) acetate
Ca+2C2O4-2 Ni+3C2H3O2
-1
CaC2O4 + Ni(C2H3O2)3
C2O4-2Ca2+ Ni3+C2H3O2
-1+Ca+2C2O4-2 Ni+3C2H3O2
-1
CaC2O4 + Ni(C2H3O2)3
Predicting Reactions – Double Replacement
3 CaC2O4(s) + 2 Ni(C2H3O2)3(aq) 3 Ca(C2H3O2)2(aq) + 1
Ni2(C2O4)3(aq)
Step 4:
Ca
C2O4
Ni
C2H3O2
1
1
1
3
1
3
2
2
3 CaC2O4(s) + 2 Ni(C2H3O2)3(aq) 3 Ca(C2H3O2)2(aq) + 1
Ni2(C2O4)3(aq)
3313
3 CaC2O4(s) + 2 Ni(C2H3O2)3(aq) 3 Ca(C2H3O2)2(aq) + 1
Ni2(C2O4)3(aq)
3326
3 CaC2O4(s) + 2 Ni(C2H3O2)3(aq) 3 Ca(C2H3O2)2(aq) + 1
Ni2(C2O4)3(aq)
3326
initial initial1st 2nd3rd
Ca
C2O4
Ni
C2H3O2
BALANCED!!!
H+Cl-1 Ti+4 OH-1
Step 1:
Predicting Reactions – Double Replacement
HCl(aq) + Ti(OH)4
Write the balanced chemical equation for the reaction between hydrochloric acid and titanium (IV) hydroxide
Step 2:Cl-1H+ Ti4+OH-1 +
Step 3: + TiCl4HOH
H+Cl-1 Ti+4 OH-1
HCl(aq) + Ti(OH)4
Cl-1H+ Ti4+OH-1 +H+Cl-1 Ti+4 OH-1
HCl(aq) + Ti(OH)4
Predicting Reactions – Double Replacement
4 HCl(aq) + 1 Ti(OH)4(s) 4 HOH(l) + 1
TiCl4(aq)
Step 4:
H
ClTi
OH
H
ClTi
OH
1
11
4
1
41
1
4 HCl(aq) + 1 Ti(OH)4(s) 4 HOH(l) + 1
TiCl4(aq)
441
4
4 HCl(aq) + 1 Ti(OH)4(s) 4 HOH(l) + 1
TiCl4(aq)
441
4
initial initial1st 2nd
BALANCED!!!
Pb+4NO3-1 Co+3CrO4
-2
Step 1:
Step 2:
NO3-1Pb4+ Co3+CrO4
-2 +
Step 3:
Predicting Reactions – Double Replacement
Pb(NO3)4 + Co2(CrO4)3
+ Co(NO3)3Pb(CrO4)2
Write the balanced chemical reaction for the reaction of lead (IV) nitrate with cobalt (III) chromate
Pb+4NO3-1 Co+3CrO4
-2
Pb(NO3)4 + Co2(CrO4)3
NO3-1Pb4+ Co3+CrO4
-2 +Pb+4NO3-1 Co+3CrO4
-2
Pb(NO3)4 + Co2(CrO4)3
3 Pb(NO3)4(aq) + 2 Co2(CrO4)3(s) 3 Pb(CrO4)2(s) + 2
Co(NO3)3(aq)
Predicting Reactions – Double ReplacementStep 4:
Pb
NO3
Co
CrO4
1
4
2
3
1
3
1
2
3 Pb(NO3)4(aq) + 2 Co2(CrO4)3(s) 3 Pb(CrO4)2(s) + 2
Co(NO3)3(aq)
1622
3 Pb(NO3)4(aq) + 2 Co2(CrO4)3(s) 3 Pb(CrO4)2(s) + 2
Co(NO3)3(aq)
1446
3 Pb(NO3)4(aq) + 2 Co2(CrO4)3(s) 3 Pb(CrO4)2(s) + 2
Co(NO3)3(aq)
31246
initial initial 1st2nd 3rd
Pb
NO3
Co
CrO4
BALANCED!!!
31246
4th
3626
2nd
3 Pb(NO3)4(aq) + 2 Co2(CrO4)3(s) 3 Pb(CrO4)2(s) + 2
Co(NO3)3(aq)
4
3 Pb(NO3)4(aq) + 2 Co2(CrO4)3(s) 3 Pb(CrO4)2(s) + 4
Co(NO3)3(aq)
H+SO4-2 Fe+3 OH-1
Step 1:
Predicting Reactions – Double Replacement
H2SO4(aq) + Fe(OH)3
Step 2:SO4
-2H+ Fe3+OH-1 +
Step 3: + Fe2(SO4)3HOH
H+SO4-2 Fe+3 OH-1
H2SO4(aq) + Fe(OH)3
SO4-2H+ Fe3+OH-1 +H+SO4
-2 Fe+3 OH-1
H2SO4(aq) + Fe(OH)3
Write the balanced chemical equation for the reaction between sulfuric acid and iron
(III) hydroxide
Predicting Reactions – Double Replacement
3 H2SO4(aq) + 2 Fe(OH)3(s) 6 HOH(l) + 1
Fe2(SO4)3(aq)
Step 4:
H
SO4
Fe
OH
2
11
3
1
32
1
3 H2SO4(aq) + 2 Fe(OH)3(s) 6 HOH(l) + 1
Fe2(SO4)3(aq)
2126
3 H2SO4(aq) + 2 Fe(OH)3(s) 6 HOH(l) + 1
Fe2(SO4)3(aq)
6326
3 H2SO4(aq) + 2 Fe(OH)3(s) 6 HOH(l) + 1
Fe2(SO4)3(aq)
6326
initial initial1st 2nd 3rd
H
SO4
Fe
OH
BALANCED!!!
H+Br-1 Al+3CO3-2
Step 1:
Step 2:
Br-1H+ Al3+CO32 +
Step 3:
Predicting and Balancing Reactions
HBr(aq) + Al2(CO3)3(s)
+ AlBr3H2CO3(aq)
H+Br-1 Al+3CO3-2
HBr(aq) + Al2(CO3)3(s)
Br-1H+ Al3+CO3-2 +H+Br-1 Al+3 CO3
-2
HBr(aq) + Al2(CO3)3(s)
Write the balanced chemical equation for the reaction between hydrobromic acid and solid aluminum carbonate
Write the balanced chemical equation for the reaction between hydrobromic acid and solid aluminum carbonate
HBr(aq) + Al2(CO3)3(s) H2CO3(aq) + AlBr3
When carbonic acid is formed, it immediately decomposes into carbon dioxide and water, so the equation above becomes:
HBr(aq) + Al2(CO3)3(s) CO2(g) + H2O(l) + AlBr3
Predicting and Balancing Reactions
3 HBr(aq) + 2 Al2(CO3)3(s) 3 CO2(g) + 3 H2O(l) + 2
AlBr3(aq)
Step 4:
H
Br
Al
C
1
1
2
3
2
3
1
1
3 HBr(aq) + 2 Al2(CO3)3(s) 3 CO2(g) + 3 H2O(l) + 2
AlBr3(aq)
2
6
2
1
6 HBr(aq) + 2 Al2(CO3)3(s) 3 CO2(g) + 3 H2O(l) + 2
AlBr3(aq)
6
6
2
3
6 HBr(aq) + 2 Al2(CO3)3(s) 3 CO2(g) + 3 H2O(l) + 2
AlBr3(aq)
6
6
2
1
initial initial 1st2nd 3rd
H
Br
Al
C
BALANCED!!!
6
6
2
3
4th
6 HBr(aq) + 2 Al2(CO3)3(s) 3 CO2(g) + 3 H2O(l) + 2
AlBr3(aq)
Predicting and Balancing Reactions
O 9 39 5 9O 3
Ti+4PO3-3 Bi+5SO3
-2
Step 1:
Step 2:
PO3-3Ti4+ Bi5+SO3
-2 +
Step 3:
Predicting Reactions – Double Replacement
Ti3(PO3)4 + Bi2(SO3)5
+ Bi3(PO3)5Ti(SO3)2
Write the balanced chemical reaction for the reaction of titanium (IV) phosphite with bismuth (V) sulfite
Ti+4PO3-3 Bi+5SO3
-2
Ti3(PO3)4 + Bi2(SO3)5
PO3-3Ti4+ Bi5+SO3
-2 +Ti+4PO3-3 Bi+5SO3
-2
Ti3(PO3)4 + Bi2(SO3)5
5 Ti3(PO3)4(s) + 6 Bi2(SO3)5(aq) 15 Ti(SO3)2(aq) + 4
Bi3(PO3)5(s)
Predicting Reactions – Double ReplacementStep 4:
Ti
PO3
Bi
SO3
3
4
2
5
1
5
3
2
5 Ti3(PO3)4(s) + 6 Bi2(SO3)5(aq) 15 Ti(SO3)2(aq) + 4
Bi3(PO3)5(s)
34
1230
5 Ti3(PO3)4(s) + 6 Bi2(SO3)5(aq) 15 Ti(SO3)2(aq) + 4
Bi3(PO3)5(s)
120122
5 Ti3(PO3)4(s) + 6 Bi2(SO3)5(aq) 15 Ti(SO3)2(aq) + 4
Bi3(PO3)5(s)
15201230
initial initial1st 1st3rd
Ti
PO3
Bi
SO3
BALANCED!!!
15201230
2nd
Pb+2ClO3-1 Cu+Br-1
Step 1:
Predicting Reactions – Double Replacement
Pb(ClO3)2(aq) + CuBr(aq)
Step 2:
ClO3-1Pb+2 Cu+Br-1 +
Step 3: + CuClO3PbBr2
Pb+2ClO3-1 Cu+Br-1
Pb(ClO3)2(aq) + CuBr(aq)
ClO3-1Pb+2 Cu+Br-1 +Pb+2ClO3
-1 Cu+Br-1
Pb(ClO3)2(aq) + CuBr(aq)
An aqueous solution of lead (II) chlorate is added to an aqueous solution of copper (I) bromide. What is the balanced equation for this reaction?
Predicting Reactions – Double Replacement
1 Pb(ClO3)2(aq) + 2 CuBr(aq) 1 PbBr2(s) + 2
CuClO3(aq)
Step 4:
Pb
ClO3
Cu
Br
Pb
ClO3
Cu
Br
1
21
1
1
11
2
1 Pb(ClO3)2(aq) + 2 CuBr(aq) 1 PbBr2(s) + 2
CuClO3(aq)
122
2
1 Pb(ClO3)2(aq) + 2 CuBr(aq) 1 PbBr2(s) + 2
CuClO3(aq)
122
2
initial initial1st 2nd
BALANCED!!!
Hg2+2 NO3
-1Au+3 I-1
Step 1:
Step 2:
NO3-1Hg2
+2 Au+3I-1 +
Step 3:
Predicting Reactions – Double Replacement
Hg2(NO3)2 + AuI3
+ Au(NO3)3Hg2I2
Write the balanced chemical reaction for the reaction of mercury (I) nitrate with gold (III) iodide
Hg2+2NO3
-1Au+3 I-1
Hg2(NO3)2 + AuI3
NO3-1Hg2
+2 Au+3I-1 +Hg2+2NO3
-1Au+3 I-1
Hg2(NO3)2 + AuI3
3 Hg2(NO3)2(aq) + 2 AuI3(aq) 3 Hg2I2(s) + 2
Au(NO3)3(aq)
Predicting Reactions – Double ReplacementStep 4:
Hg2
NO3
Au
I
1
2
1
3
1
3
1
2
3 Hg2(NO3)2(aq) + 2 AuI3(aq) 3 Hg2I2(s) + 2
Au(NO3)3(aq)
3613
3 Hg2(NO3)2(aq) + 2 AuI3(aq) 3 Hg2I2(s) + 2
Au(NO3)3(aq)
1622
3 Hg2(NO3)2(aq) + 2 AuI3(aq) 3 Hg2I2(s) + 2
Au(NO3)3(aq)
3626
initial initial1st 1st 3rd
Hg2
NO3
Au
I
BALANCED!!!
3626
2nd
Balancing Reactions
1 C11H24 + 17 O2(g) 11 CO2(g) + 12
H2O(g)
C
H
O
11
24
2
1
2
3
1 C11H24 + 17 O2(g) 11 CO2(g) + 12
H2O(g)
11
2
23
1 C11H24 + 17 O2(g) 11 CO2(g) + 12
H2O(g)
11
24
34
1 C11H24 + 17 O2(g) 11 CO2(g) + 12
H2O(g)
11
24
34
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
Balancing Reactions
1 C32H64 + 48 O2(g) 32 CO2(g) + 32
H2O(g)
C
H
O
32
64
2
1
2
3
1 C32H64 + 48 O2(g) 32 CO2(g) + 32
H2O(g)
32
2
65
1 C32H64 + 48 O2(g) 32 CO2(g) + 32
H2O(g)
32
64
96
1 C32H64 + 48 O2(g) 32 CO2(g) + 32
H2O(g)
32
64
96
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
Balancing Reactions
2 C8H18 + 25 O2(g) 8 CO2(g) + 9 H2O(g)
C
H
O
8
18
2
1
2
3
2 C8H18 + 25 O2(g) 8 CO2(g) + 9 H2O(g)
8
2
17
2 C8H18 + 25 O2(g) 8 CO2(g) + 9 H2O(g)
8
18
25
2 C8H18 + 25 O2(g) 8 CO2(g) + 9 H2O(g)
16
36
2
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
16
36
50
4th
2 C8H18 + 25 O2(g) 8 CO2(g) + 9 H2O(g)
16 18
16
36
50
3rd
2 C8H18 + 25 O2(g) 16 CO2(g) + 18
H2O(g)
Balancing Reactions
1 C8H16 + 12 O2(g) 8 CO2(g) + 8 H2O(g)
C
H
O
8
16
2
1
2
3
1 C8H16 + 12 O2(g) 8 CO2(g) + 8 H2O(g)
8
2
17
1 C8H16 + 12 O2(g) 8 CO2(g) + 8 H2O(g)
8
16
24
1 C8H16 + 12 O2(g) 8 CO2(g) + 8 H2O(g)
8
16
24
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
Balancing Reactions
2 C8H14 + 23 O2(g) 8 CO2(g) + 7 H2O(g)
C
H
O
8
14
2
1
2
3
2 C8H14 + 23 O2(g) 8 CO2(g) + 7 H2O(g)
8
2
17
2 C8H14 + 25 O2(g) 8 CO2(g) + 7 H2O(g)
8
14
23
2 C8H14 + 25 O2(g) 8 CO2(g) + 7 H2O(g)
16
28
2
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
16
28
46
4th
2 C8H14 + 23 O2(g) 8 CO2(g) + 7 H2O(g)
16 14
16
28
46
3rd
2 C8H14 + 23 O2(g) 16 CO2(g) + 14
H2O(g)
Balancing Reactions
1 C2H5OH + 3 O2(g) 2 CO2(g) + 3
H2O(g)
C
H
O
2
6
3
1
2
3
1 C2H5OH + 3 O2(g) 2 CO2(g) + 3
H2O(g)
2
2
5
1 C2H5OH + 3 O2(g) 2 CO2(g) + 3
H2O(g)
2
6
7
1 C2H5OH + 3 O2(g) 2 CO2(g) + 3
H2O(g)
2
6
7
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
Balancing Reactions
2 C6H5CO2H + 15 O2(g) 7 CO2(g) + 3
H2O(g)
C
H
O
7
6
4
1
2
3
2 C6H5CO2H + 15 O2(g) 7 CO2(g) + 3
H2O(g)
7
2
15
2 C6H5CO2H + 15 O2(g) 7 CO2(g) + 3
H2O(g)
7
6
17
2 C6H5CO2H + 15 O2(g) 7 CO2(g) + 3
H2O(g)
14
12
6
initial initial 1st 2nd3rd
C
H
O
BALANCED!!!
16
28
34
4th
2 C6H5CO2H + 15 O2(g) 7 CO2(g) + 3
H2O(g)
14 6
14
12
34
3rd
2 C6H5CO2H + 15 O2(g) 14 CO2(g) + 6
H2O(g)
Ni+3HCO3-1
Ni+3CO3-2
Ni(HCO3)3(s)
+ H2O + CO2Ni2(CO3)3
Ni+3HCO3-1
Ni(HCO3)3(s)
CO2Ni+3 H2OCO3-2 +Ni+3HCO3
-1
Ni(HCO3)3(s)
Write the balanced chemical equation for the decomposition of nickel (III) hydrogen carbonate. Remember that all hydrogen carbonates produce carbonate, water, and carbon dioxide upon heating.
H2O CO2+ +
+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
2 Ni(HCO3)3(s) 1 Ni2(CO3)3(s) + 3 H2O(g) + 3 CO2(g)
Ni
C
H
O
1
3
3
9
2
4
2
12
2 Ni(HCO3)3(s) 1 Ni2(CO3)3(s) + 3 H2O(g) + 3 CO2(g)
266
18
2 Ni(HCO3)3(s) 1 Ni2(CO3)3(s) + 3 H2O(g) + 3 CO2(g)
262
16
2 Ni(HCO3)3(s) 1 Ni2(CO3)3(s) + 3 H2O(g) + 3 CO2(g)
266
18
initial initial1st 2nd 3rd
Ni
C
H
O
BALANCED!!!
Sn+4HCO3-1
Sn+4CO3-2
Sn(HCO3)4(s)
+ H2O + CO2Sn(CO3)2
Sn+4HCO3-1
Sn(HCO3)4(s)
CO2Sn+4 H2OCO3-2 +Sn+4HCO3
-1
Sn(HCO3)4(s)
Write the balanced chemical equation for the decomposition of tin (IV) hydrogen carbonate. Remember that all hydrogen carbonates produce carbonate, water, and carbon dioxide upon heating.
H2O CO2+ +
+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
1 Sn(HCO3)4(s) 1 Sn(CO3)2(s) + 2 H2O(g) + 2 CO2(g)
Sn
C
H
O
1
4
4
12
1
3
2
9
1 Sn(HCO3)4(s) 1 Sn(CO3)2(s) + 2 H2O(g) + 2 CO2(g)
142
11
1 Sn(HCO3)4(s) 1 Sn(CO3)2(s) + 2 H2O(g) + 2 CO2(g)
144
12
initial initial 1st 2nd
Sn
C
H
O
BALANCED!!!
Li+ HCO3-1
Li+ CO3-2
LiHCO3(s)
+ H2O + CO2Li2CO3
Li+ HCO3-1
LiHCO3(s)
CO2Li+ H2OCO3-2 +Li+ HCO3
-1
LiHCO3(s)
Write the balanced chemical equation for the decomposition of lithium hydrogen carbonate. Remember that all hydrogen carbonates produce carbonate, water, and carbon dioxide upon heating.
H2O CO2+ +
+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
2 LiHCO3(s) 1 Li2CO3(s) + 1 H2O(g) + 1 CO2(g)
Li
C
H
O
1
1
1
3
2
2
2
6
2 LiHCO3(s) 1 Li2CO3(s) + 1 H2O(g) + 1 CO2(g)
2226
initial initial1st
Li
C
H
O
BALANCED!!!
Ba+2HCO3-1
Ba+2CO3-2
Ba(HCO3)2(s)
+ H2O + CO2BaCO3
Ba+2HCO3-1
Ba(HCO3)2(s)
CO2Ba+2 H2OCO3-2 +Ba+2HCO3
-1
Ba(HCO3)2(s)
Write the balanced chemical equation for the decomposition of barium hydrogen carbonate. Remember that all hydrogen carbonates produce carbonate, water, and carbon dioxide upon heating.
H2O CO2+ +
+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
1 Ba(HCO3)2(s) 1 BaCO3(s) + 2 H2O(g) + 2 CO2(g)
Ba
C
H
O
1
2
2
6
1
2
2
6
initial initial
Ba
C
H
O
BALANCED!!!
Rb+CO3-2
Rb+O-2
Rb2CO3(s)
+ CO2Rb2O
Rb+CO3-2
Rb2CO3(s)
CO2Rb+O-2 +Rb+CO3-2
Rb2CO3(s)
Write the balanced chemical equation for the decomposition of rubidium carbonate. Remember that all carbonates produce oxide, and carbon dioxide upon heating.
CO2+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
1 Rb2CO3(s) 1 Rb2O(s) + 1 CO2(g)
Rb
C
O
2
1
3
2
1
3
initial initial
Rb
C
O
BALANCED!!!
Cu2+CO3-2
Cu2+O-2
CuCO3(s)
+ CO2CuO
Cu2+CO3-2
CuCO3(s)
CO2Cu2+O-2 +Cu2+CO3-2
CuCO3(s)
Write the balanced chemical equation for the decomposition of copper (II) carbonate. Remember that all carbonates produce oxide, and carbon dioxide upon heating.
CO2+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
1 CuCO3(s) 1 CuO(s) + 1 CO2(g)
Cu
C
O
1
1
3
1
1
3
initial initial
Cu
C
O
BALANCED!!!
Cr+3CO3-2
Cr+3O-2
Cr2(CO3)3(s)
+ CO2Cr2O3
Cr+3CO3-2
Cr2(CO3)3(s)
CO2Cr+3O-2 +Cr+3CO3-2
Cr2(CO3)3(s)
Write the balanced chemical equation for the decomposition of chromium (III) carbonate. Remember that all carbonates produce oxide, and carbon dioxide upon heating.
CO2+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
1 Cr2(CO3)3(s) 1 Cr2O3(s) + 3 CO2(g)
Cr
C
O
2
3
9
2
1
5
1 Cr2(CO3)3(s) 1 Cr2O3(s) + 3 CO2(g)
239
initial initial 1st
Cr
C
O
BALANCED!!!
Mn4+CO3-2
Mn4+O-2
Mn(CO3)2(s)
+ CO2MnO2
Mn4+CO3-2
Mn(CO3)2(s)
CO2Mn4+O-2 +Mn4+CO3-2
Mn(CO3)2(s)
Write the balanced chemical equation for the decomposition of manganese (IV) carbonate. Remember that all carbonates produce oxide, and carbon dioxide upon heating.
CO2+
Predicting and Balancing Reactions – Decompositions
Predicting and Balancing Reactions – Decompositions
1 Mn(CO3)2(s) 1 MnO2(s) + 2 CO2(g)
Mn
C
O
1
2
6
1
1
4
1 Mn(CO3)2(s) 1 MnO2(s) + 2 CO2(g)
126
initial initial 1st
Mn
C
O
BALANCED!!!
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