# give 20 balanced chemical equations

At this time I can give you only seven. You can learn from these and can balance some other eq. from your text book.

1. Co+2H2 = CH3OH

2.6Co2+6H2O = C6H12O6+H2O.

3.CH4+2O2 = Co2+2H2O

4.2FeSO4 = Fe2O3+SO2+SO3.

5. 2Agcl = 2Ag+cl2.

6.MnO2+4Hcl = Mncl2+ 2H2O cl2.

7.4Na+O2 = 2Na2O.

• 21

c+o2 =Co2

2Agbr=2Ag + Br2

Cao +H2o = Ca (OH)2

Zn +H2so4 = Znso4 +H2

Cu + Agno3 = Cu(NO3)2  + Ag

2H2 +o2 = 2H2o

Al2 (so4)3 + 3Bacl2  = 2Alcl3  + 3Baso4

2K+ 2H2o  =  2koh + H2

2Mg+o2 = 2Mgo

N2+3H2  = 2NH3

Agno3  +Kcl  = Agcl  + Kno3

• 5

CH4  + 2o2  + Co2 + 2H2o

Bacl2  + Na2so4 = Baso4 +2Nacl

N2 + o2 = 2No

H2 + I2 = 2HI

• 1

2NaHCO3=Na2Co3+H2O+Co2

• -9

NaCl+NH3+Co2+H2O=NaHCO3+NH4Cl

Na2Co3 +10H2O=Na2Co3.10H2O

• 6

1) 2 Fe + 3 Cl2 = 2 FeCl3

2) 2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2

3) Ca(OH)2 + CO2 = CaCO3 + H2O

4)K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3 (NH4)2SO4 + 6 CO

5)2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O

6)CuSO4*5H2O = CuSO4 + 5 H2O

7)3 S + 2 O3 = 3 SO2

8) 2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI

9) 2 C8H18 + 25 O2 = 16 CO2 + 18 H2O

10) 2 H2 + O2 = 2 H2O

11) C3H8 + 5 O2 = 3 CO2 + 4 H2O

11) 10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4→ 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O

• 22
H2+CL2--->2HCL.
Zn+2HCL--->ZNCL2+H2
• -1
h2 + 02 = h20

• -3
It is a great help for students like us
• -6
10Al+ S8=5Al2S3
• -4
kk

• -13
thanq

• -13
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2

CaI2 + K3PO4 = Ca3(PO4)2 + IK =>
3 CaI2 + 2 K3PO4 = Ca3(PO4)2 + 6 IK

Zn(s) + FeCl2(aq) = ZnCl2(aq) + Fe(s) =>
Zn(s) + FeCl2(aq) = ZnCl2(aq) + Fe(s)

C4H10 + O2 = H2O + CO2 =>
2 C4H10 + 13 O2 = 10 H2O + 8 CO2

Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl

KI + NaCl = KCl + NaI =>
KI + NaCl = KCl + NaI

C2H4 + O2 = CO2 + H20 =>
5 C2H4 + 10 O2 = 10 CO2 + H20

K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl

Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2

KI + K2SO4 = KSO4 + K2I =>
KI + K2SO4 = KSO4 + K2

Cl2 + SO2 + H2O = HCl + H2SO4 =>
Cl2 + SO2 + 2 H2O = 2 HCl + H2SO4

Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4

Cr2(SO3)3(aq) + H2SO4(aq) = Cr2SO4 + H2(SO3)3 =>
Cr2(SO3)3(aq) + H2SO4(aq) = Cr2SO4 + H2(SO3)3

Al(s) + ZnCl2(l) = AlCl3(s) + Zn(s) =>
2 Al(s) + 3 ZnCl2(l) = 2 AlCl3(s) + 3 Zn(s)

C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2

KI + K2SO4 = KSO4 + K2I =>
KI + K2SO4 = KSO4 + K2

LiCl + NaOH = LiOH + NaCl =>
LiCl + NaOH = LiOH + NaCl

KMnO4 + NaCl + H2SO4 = Cl2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 5 Cl2 + 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2

Y(NO3)3*6H2O + Ba(NO3)2 + Cu(NO3)*3H2O = YBa2Cu3O7 + H2O + NO2 + O2 =>
2 Y(NO3)3*6H2O + 4 Ba(NO3)2 + 6 Cu(NO3)*3H2O = 2 YBa2Cu3O7 + 30 H2O + 20 NO2 + 3 O2

K2MnO4 + NaCl + H2SO4 = Cl2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
K2MnO4 + 4 NaCl + 4 H2SO4 = 2 Cl2 + MnSO4 + K2SO4 + 2 Na2SO4 + 4 H2

Cu(s) + HgCl2(aq) = Hg + CuCl2(aq) =>
Cu(s) + HgCl2(aq) = Hg + CuCl2(aq)

Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2

LiCl + NaCO3 = LiCO3 + NaCl =>
LiCl + NaCO3 = LiCO3 + NaCl

BaCl2 + HSO4 = BaSO4 + HCl2 =>
BaCl2 + HSO4 = BaSO4 + HCl2

Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)

NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2

BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
• 17
Ba3N2 + 6 H2O → 3 Ba(OH)2 + 2 NH3
3 CaCl2 + 2 Na3PO4 → Ca3(PO4)2 + 6 NaCl
4 FeS + 7 O2 → 2 Fe2O3 + 4 SO2
PCl5 + 4 H2O → H3PO4 + 5 HCl
2 As + 6 NaOH → 2 Na3AsO3 + 3 H2
3 Hg(OH)2 + 2 H3PO4 → Hg3(PO4)2 + 6 H2O
12 HClO4 + P4O10 → 4 H3PO4 + 6 Cl2O7
8 CO + 17 H2 → C8H18 + 8 H2O
10 KClO3 + 3 P4 → 3 P4O10 + 10 KCl
SnO2 + 2 H2 → Sn + 2 H2O
3 KOH + H3PO4 → K3PO4 + 3 H2O
2 KNO3 + H2CO3 → K2CO3 + 2 HNO3
Na3PO4 + 3 HCl → 3 NaCl + H3PO4
TiCl4 + 2 H2O → TiO2 + 4 HCl
C2H6O + 3 O2 → 2 CO2 + 3 H2O
2 Fe + 6 HC2H3O2 → 2 Fe(C2H3O2)3 + 3 H2
4 NH3 + 5 O2 → 4 NO + 6 H2O
B2Br6 + 6 HNO3 → 2 B(NO3)3 + 6 HBr
4 NH4OH + KAl(SO4)2·12H2O → Al(OH)3 + 2 (NH4)2SO4 + KOH + 12 H2O
• 1
ghjkkl
• -7
2HNO3 + CU gives CuH + 2NO3
• -3
Tomorrow is 1 July and 🏫 School is going to reopen
• -5
Why nitrogen react with oxygen only at high temperature?
• -6
To prevent corrosion
• -1
2fe+3cl2=2fecl3 nd 19other
• -2
Potassium reat with water to form potassium hydroxide and hydrogen gas
• -5
2H2+O2=2H2O
• -3
2mg plus o2 gives 2mgo
• 2
2h2 plus o2 gives 2h2o
• 1
thats all i know please refer the text
• 1
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