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ZnCO3 + H2O = Zn(OH)2 + CO2
NO2HO = HNO3 =>
NO2HO = HNO3
Na2S2O3 + I2 + H2O = H2SO4 + NaI + HI =>
Na2S2O3 + 4 I2 + 5 H2O = 2 H2SO4 + 2 NaI + 6 HI
Al(s) + NH4NO3(s) = N2(g) + H20(g) + Al2O3(g) =>
10 Al(s) + 5 NH4NO3(s) = 5 N2(g) + H20(g) + 5 Al2O3(g)
FeCl3 + Be3(Po4)2 = BeCl2 + FePo4 =>
2 FeCl3 + Be3(Po4)2 = 3 BeCl2 + 2 FePo4
KI + H2SO4 = K2SO4 + I2 + SO2 + H2O =>
2 KI + 2 H2SO4 = K2SO4 + I2 + SO2 + 2 H2O
Ag + AuNO3 = AgNO3 + Au =>
Ag + AuNO3 = AgNO3 + Au
FeS2O3 + NH4SCN = (NH4)2S2O3 + Fe(SCN)2 =>
FeS2O3 + 2 NH4SCN = (NH4)2S2O3 + Fe(SCN)2
HI + Fe(OH)3 = FeI3 + H2O =>
3 HI + Fe(OH)3 = FeI3 + 3 H2O
C6H10 + Br2 = C6H10Br2(l) =>
C6H10 + Br2 = C6H10Br2(l)
C22H41O8 + O2 = CO2 + H2O =>
4 C22H41O8 + 113 O2 = 88 CO2 + 82 H2O
Fe(OH)2 + K2SO3 + H2O = FeS + Fe(OH)3 + KOH =>
7 Fe(OH)2 + K2SO3 + 3 H2O = FeS + 6 Fe(OH)3 + 2 KOH
Al + LiOH = Al(OH)3 + Li =>
Al + 3 LiOH = Al(OH)3 + 3 Li
H2SO4 + Na2CO3 = Na2SO4 + H2(CO3) =>
H2SO4 + Na2CO3 = Na2SO4 + H2(CO3)
BaC2H3O2 + CuSO4 = BaSO4 + CuC2H3O2 =>
BaC2H3O2 + CuSO4 = BaSO4 + CuC2H3O2
VO2 + FeO3 = V2O5 + FeO2 =>
2 VO2 + FeO3 = V2O5 + FeO2
NiNO3 + NaHCO3 = Ni(HCO3)2 + Na2NO3 =>
NiNO3 + 2 NaHCO3 = Ni(HCO3)2 + Na2NO3
NaHSO3 = Na2SO3 + SO2H2O =>
2 NaHSO3 = Na2SO3 + SO2H2O
MnH2 + O2 + P = HPO + Mn =>
MnH2 + O2 + 2 P = 2 HPO + Mn
NiBr2 + K3PO4 = Ni3(PO4)2 + KBr =>
3 NiBr2 + 2 K3PO4 = Ni3(PO4)2 + 6 KBr
O2 + HI = H2O + I2 =>
O2 + 4 HI = 2 H2O + 2 I2
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Ba(NO3)2 + K3(PO4) = Ba(PO4) + K3(NO3)2 =>
Ba(NO3)2 + K3(PO4) = Ba(PO4) + K3(NO3)2
HC2H3O2 + BeSO4 = H2SO4 + Be(C2H3O2)2 =>
2 HC2H3O2 + BeSO4 = H2SO4 + Be(C2H3O2)2
HgS + KI = HgI + KS =>
HgS + KI = HgI + KS
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
Fe + F2 = FeF3 =>
2 Fe + 3 F2 = 2 FeF3
Pb(NO3)2 + H3AsO = PbHAsO + HNO3 =>
Pb(NO3)2 + H3AsO = PbHAsO + 2 HNO3
H3BO3 + NH3 = BN + H2O =>
H3BO3 + NH3 = BN + 3 H2O
C5H6O(l) + O2(g) = CO2 + H2O =>
C5H6O(l) + 6 O2(g) = 5 CO2 + 3 H2O
ClO3{-} + S{-} = SO4{-} + Cl{-} =>
4 ClO3{-} + 3 S{-} = 3 SO4{-} + 4 Cl{-}
Hg2*(C2H3O2)2 + KCl = Hg2Cl2 + KC2H3O2 =>
Hg2*(C2H3O2)2 + 2 KCl = Hg2Cl2 + 2 KC2H3O2
KI + PbCrO4 + HCl = PbCl2 + CrCl3 + I2 + KCl + H2O =>
6 KI + 2 PbCrO4 + 16 HCl = 2 PbCl2 + 2 CrCl3 + 3 I2 + 6 KCl + 8 H2O
O{-6} + e = O{-8} =>
O{-6} + 2e = O{-8}
Cl2O7 + Y(OH)3 = Y(ClO4)3 + H2O =>
3 Cl2O7 + 2 Y(OH)3 = 2 Y(ClO4)3 + 3 H2O
Fl2 + KI = I + Fl2K =>
Fl2 + KI = I + Fl2K
C2H2 + (Ag(NH3)2)OH = HC2Ag + NH4OH + NH3 =>
C2H2 + (Ag(NH3)2)OH = HC2Ag + NH4OH + NH3
CaCO3 = CaO + CO2 = ] =>
CaCO3 = CaO + CO2
TeF3 + Ca = Te2Ca3 + F2 =>
2 TeF3 + 3 Ca = Te2Ca3 + 3 F2
Mg + C2H4O2 = Mg(CH3COO)2 + Hydrogen =>
Mg + 2 C2H4O2 = Mg(CH3COO)2 + H2
CaH18 + O2 = H2O + Ca =>
2 CaH18 + 9 O2 = 18 H2O + 2 Ca
FeCl3 + H2(SO4) = HCl + Fe2(SO4)3 =>
2 FeCl3 + 3 H2(SO4) = 6 HCl + Fe2(SO4)3
Ca(HCO3)2(aq)(heat) = CaCO3(s) + CO2(g) + H2O(l) =>
Ca(HCO3)2(aq)(heat) = CaCO3(s) + CO2(g) + H2O(l)
CaBr2 + Na2O = NaBr + CaO =>
CaBr2 + Na2O = 2 NaBr + CaO
HNO3 + Mg = Mg(NO3)2 + NO + H2O =>
8 HNO3 + 3 Mg = 3 Mg(NO3)2 + 2 NO + 4 H2O
Ba(C2H3O2)2 + Na2SO4 = BaSO4 + Na(C2H3O2) =>
Ba(C2H3O2)2 + Na2SO4 = BaSO4 + 2 Na(C2H3O2)
Ge + HNO3 + HCl = H2GeCl6 + NO + H2O =>
3 Ge + 4 HNO3 + 18 HCl = 3 H2GeCl6 + 4 NO + 8 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
As2S3 + H2O2 + OH{-} = AsO43{-} + SO42{-} + H2O =>
2 As2S3 + 419 H2O2 + 10 OH{-} = 4 AsO43{-} + 6 SO42{-} + 424 H2O
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