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Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
Ag + Cu{2+} = Ag{+} + Cu =>
2 Ag + Cu{2+} = 2 Ag{+} + Cu
Pb(OH)4 + H4P2O7 = Pb3(HP2O7)4 + H2O =>
3 Pb(OH)4 + 4 H4P2O7 = Pb3(HP2O7)4 + 12 H2O
Zn(NO3)2 + Na = Na(NO3) + Zn =>
Zn(NO3)2 + 2 Na = 2 Na(NO3) + Zn
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Pb + H2SO4 = PbSO4 + SO2 + H2O =>
Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
K3PO4 + HNO3 = KNO3 + H3PO4 =>
K3PO4 + 3 HNO3 = 3 KNO3 + H3PO4
KCl + HCl = KHCl2 =>
KCl + HCl = KHCl2
MgCl2(aq) + KNO3(aq) = Mg(NO3)2(aq) + KCl(s) =>
MgCl2(aq) + 2 KNO3(aq) = Mg(NO3)2(aq) + 2 KCl(s)
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Fe3O4 + H2S = Fe + SO2 + H2O =>
3 Fe3O4 + 4 H2S = 9 Fe + 4 SO2 + 4 H2O
HCHO + CuSO4 + NaOH = HCOONa + Cu2O + Na2SO4 + H2O =>
HCHO + 2 CuSO4 + 5 NaOH = HCOONa + Cu2O + 2 Na2SO4 + 3 H2O
H3AsO4 + Fe(OH)3 = Fe2(HAsO4)3 + H2O =>
3 H3AsO4 + 2 Fe(OH)3 = Fe2(HAsO4)3 + 6 H2O
KNO3 + FeS = KNO2 + Fe2O3 + SO3 =>
9 KNO3 + 2 FeS = 9 KNO2 + Fe2O3 + 2 SO3
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O =>
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O
CsI + Br = CsBr + I2 =>
2 CsI + 2 Br = 2 CsBr + I2
C2H6O + C3H6O = C5H12O2 =>
C2H6O + C3H6O = C5H12O2
C6H12 + H2O = C6H14 + O2 =>
2 C6H12 + 2 H2O = 2 C6H14 + O2
Sb + HNO3 + HCl = H[SbCl6] + NO + H2O =>
3 Sb + 5 HNO3 + 18 HCl = 3 H[SbCl6] + 5 NO + 10 H2O
Fe2P + FeS2 = FeS + P4S10 =>
4 Fe2P + 18 FeS2 = 26 FeS + P4S10
Al + NH4OH = Al(OH)3 + NH4 =>
Al + 3 NH4OH = Al(OH)3 + 3 NH4
PH3 = P + H2 =>
2 PH3 = 2 P + 3 H2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Al2(SO4)3 + HOH = Al(OH)3 + H2(SO4) =>
Al2(SO4)3 + 6 HOH = 2 Al(OH)3 + 3 H2(SO4)
FeCl3 + HCl = H[FeCl4] =>
FeCl3 + HCl = H[FeCl4]
C5H8 + HCl = CCl4 + H =>
C5H8 + 20 HCl = 5 CCl4 + 28 H
Mg + KMnO4 = MgO + K2O + MnO2 =>
3 Mg + 2 KMnO4 = 3 MgO + K2O + 2 MnO2
N2H4 + KIO3 + HCl = N2 + ICl + KCl + H2O =>
N2H4 + KIO3 + 2 HCl = N2 + ICl + KCl + 3 H2O
Cu + H(SO4) = Cu(SO4)2 + H2O + SO2 =>
3 Cu + 8 H(SO4) = 3 Cu(SO4)2 + 4 H2O + 2 SO2
FeSO4 + NaOH + O2 = Fe2O3 + Na2SO4 + H2O =>
4 FeSO4 + 8 NaOH + O2 = 2 Fe2O3 + 4 Na2SO4 + 4 H2O
F + I = FI =>
F + I = FI
Pb + HNO2 = Pb(NO2)4 + H2 =>
Pb + 4 HNO2 = Pb(NO2)4 + 2 H2
C6H5CHCHCO2H + Br2 = C9H8Br2O2 =>
C6H5CHCHCO2H + Br2 = C9H8Br2O2
SO4{-2} + NH3 = SO3{2-} + H2O + N2 =>
3 SO4{-2} + 2 NH3 = 3 SO3{2-} + 3 H2O + N2
K2NaCo(NO2)6 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + CoSO4 + MnSO4 + HNO3 + H2O =>
10 K2NaCo(NO2)6 + 22 KMnO4 + 58 H2SO4 = 21 K2SO4 + 5 Na2SO4 + 10 CoSO4 + 22 MnSO4 + 60 HNO3 + 28 H2O
Cu + Fe2(SO4)3 = Cu(SO4)3 + Fe2 =>
Cu + Fe2(SO4)3 = Cu(SO4)3 + Fe2
Li2CO3 + H3BO3 = Li2B4O7 + CO2 + H2O =>
Li2CO3 + 4 H3BO3 = Li2B4O7 + CO2 + 6 H2O
Fe(NO3)3 + KBr = FeBr3 + KNO3 =>
Fe(NO3)3 + 3 KBr = FeBr3 + 3 KNO3
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
NaHCO3 + HC2H3O = NaC2H3O2 + H2CO3 =>
5 NaHCO3 + 4 HC2H3O = 5 NaC2H3O2 + 3 H2CO3
Cu + MgCl2 = CuCl2 + Mg2 =>
2 Cu + 2 MgCl2 = 2 CuCl2 + Mg2
Ca{2+} + CO3{2-} = CaCO3 =>
Ca{2+} + CO3{2-} = CaCO3
CuBr + HNO3 = CuNO3 + NO + Br2 + H2O =>
6 CuBr + 8 HNO3 = 6 CuNO3 + 2 NO + 3 Br2 + 4 H2O
Sn = Sn{2+} + e =>
Sn = Sn{2+} + 2e
Pb(IO3)2 = Pb{2+} + IO3{-} =>
Pb(IO3)2 = Pb{2+} + 2 IO3{-}
Li2S + P2S5 + LiCl = Li55P10S45Cl15 =>
20 Li2S + 5 P2S5 + 15 LiCl = Li55P10S45Cl15
ArOH + Na2CO3 = NaOH + Ar + CO3 =>
2 ArOH + Na2CO3 = 2 NaOH + 2 Ar + CO3
CO + N2O5 = CO2 + NO2 =>
CO + N2O5 = CO2 + 2 NO2
Fe(NO3)3 + K3Fe(CN)6 = Fe3(Fe(CN)6)3 + KNO3 =>
3 Fe(NO3)3 + 3 K3Fe(CN)6 = Fe3(Fe(CN)6)3 + 9 KNO3
Zn3P2 = Zn + P4 =>
2 Zn3P2 = 6 Zn + P4
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