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Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
XCu(NO3)2 + XNaOH = XCu(OH)2 + XNa(NO3) =>
XCu(NO3)2 + 2 XNaOH = XCu(OH)2 + 2 XNa(NO3)
FeO + CO2 = FeCO3 =>
FeO + CO2 = FeCO3
Al(OH)3 + Ca(OH)2 = Ca(Al(OH)4)2 =>
2 Al(OH)3 + Ca(OH)2 = Ca(Al(OH)4)2
SrCO3 + Al2O3 = SrAl2O4 + CO2 =>
SrCO3 + Al2O3 = SrAl2O4 + CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cl2 + AuI3 = AuCl3 + I2 =>
3 Cl2 + 2 AuI3 = 2 AuCl3 + 3 I2
Na2SO3 + BaS = BaSO4 + Na2S =>
4 Na2SO3 + 3 BaS = 3 BaSO4 + 4 Na2S
CaCO3 + HC2H3O2 = Ca(C2H3O2)2 + CO3 + H2O =>
6 CaCO3 + 11 HC2H3O2 = 6 Ca(C2H3O2)2 + 4 CO3 + 4 H2O
Ni(NO3)2 + Li = Li(NO3) + Ni =>
Ni(NO3)2 + 2 Li = 2 Li(NO3) + Ni
Co + CuCO3 = CoCO3 + Cu =>
Co + CuCO3 = CoCO3 + Cu
Ga + LiOH + H2O = LiGa(OH)4 + H2 =>
2 Ga + 2 LiOH + 6 H2O = 2 LiGa(OH)4 + 3 H2
FeSO4 + PbCl2 = FeCl2 + PbSO4 =>
FeSO4 + PbCl2 = FeCl2 + PbSO4
NiClO32 = NiCl + O2 =>
NiClO32 = NiCl + 16 O2
C + S = CS2 =>
C + 2 S = CS2
HCl + NaBrO = HBrO + NaCl =>
HCl + NaBrO = HBrO + NaCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NiCO3(s) + HNO3 = Ni(NO3)2 + CO2 + H2O =>
NiCO3(s) + 2 HNO3 = Ni(NO3)2 + CO2 + H2O
Cu{+} + Sn{2+} = Cu + Sn{4+} =>
2 Cu{+} + Sn{2+} = 2 Cu + Sn{4+}
K2Cr2O7 + H2S + HCl = KCl + Cr2O3 + S + H2O =>
K2Cr2O7 + 3 H2S + 2 HCl = 2 KCl + Cr2O3 + 3 S + 4 H2O
H2SO4 + KHCO3 = K2SO4 + H2O + CO2 =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 H2O + 2 CO2
SO2 + H2O = H2SO3 = H2So4 =>
SO2 + H2O = H2SO3
Ca(HCO3)2 + HCl(aq) = CaCl2 + CO2 + H2O =>
Ca(HCO3)2 + 2 HCl(aq) = CaCl2 + 2 CO2 + 2 H2O
CH3OH + NH4OH = NH4CH3O + H2O =>
CH3OH + NH4OH = NH4CH3O + H2O
FeSO4 + O2 + H2SO4 = Fe2(SO4)3 + H2O =>
4 FeSO4 + O2 + 2 H2SO4 = 2 Fe2(SO4)3 + 2 H2O
HI + NaOH = H2O + I(Na) =>
HI + NaOH = H2O + I(Na)
I2O5 + NO = N2O4 + I2 =>
2 I2O5 + 10 NO = 5 N2O4 + 2 I2
K2Cr2O7 + NaSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + KO =>
K2Cr2O7 + 4 NaSO3 + H2SO4 = Cr2(SO4)3 + 2 Na2SO4 + H2O + 2 KO
H2S(s) + O2(g) = SO2(g) + H2O(l) =>
2 H2S(s) + 3 O2(g) = 2 SO2(g) + 2 H2O(l)
KMnO4 + HCl + Na2SO3 = Na2SO4 + KCl + H2O + MnCl =>
KMnO4 + 2 HCl + 3 Na2SO3 = 3 Na2SO4 + KCl + H2O + MnCl
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
CH3COOH + Cr = H2 + Cr(CH3COO)3 =>
6 CH3COOH + 2 Cr = 3 H2 + 2 Cr(CH3COO)3
KOH(s) + MnBr2(aq) = KBr2(aq) + MnOH(s) =>
KOH(s) + MnBr2(aq) = KBr2(aq) + MnOH(s)
Cd + NO3 = Cd(NO3)2 =>
Cd + 2 NO3 = Cd(NO3)2
PBr3(l) + H2O(l) = H3PO3(aq) + HBr(g) =>
PBr3(l) + 3 H2O(l) = H3PO3(aq) + 3 HBr(g)
CoI2 = Co2 + I2 =>
2 CoI2 = Co2 + 2 I2
KCrO2 + KClO3 + KOH = K2CrO4 + KCl + H2O =>
2 KCrO2 + KClO3 + 2 KOH = 2 K2CrO4 + KCl + H2O
K4[Fe(CN)6] + Br2 = K3[Fe(CN)6] + KBr =>
2 K4[Fe(CN)6] + Br2 = 2 K3[Fe(CN)6] + 2 KBr
Si + Mg2 = Mg2Si =>
Si + Mg2 = Mg2Si
(NH4{-}) + (OH{-}) = NO + e + H2O =>
(NH4{-}) + 6(OH{-}) = NO + 7e + 5 H2O
CuSO4 + NaOH = Na2SO4 + Cu[OH]2 =>
CuSO4 + 2 NaOH = Na2SO4 + Cu[OH]2
Fe{3+} + KI = KIFe{3+} =>
Fe{3+} + KI = KIFe{3+}
C9H12O3 + CH3OH = C10H14O3 + H2O =>
C9H12O3 + CH3OH = C10H14O3 + H2O
SrCrO4 + FeBr3 = FeCrO4 + SrBr3 =>
SrCrO4 + FeBr3 = FeCrO4 + SrBr3
H2O + Na2CrO4 + NaCl + CO2 = CrOH3 + Na2CO3 + NaClO =>
3 H2O + 2 Na2CrO4 + 7 NaCl + 2 CO2 = 2 CrOH3 + 2 Na2CO3 + 7 NaClO
H3BO3 + NH4F = NH4BF4 + H2O + H3N =>
H3BO3 + 4 NH4F = NH4BF4 + 3 H2O + 3 H3N
Cd + HI = CdI + H =>
Cd + HI = CdI + H
AlI3 + Br = BrI + Al =>
AlI3 + 3 Br = 3 BrI + Al
CuSO4(aq) + K3PO4(aq) = Cu3(PO4)2(s) + K2SO4(aq) =>
3 CuSO4(aq) + 2 K3PO4(aq) = Cu3(PO4)2(s) + 3 K2SO4(aq)
BaCl2 + PbCO3 = BaCO3 + PbCl2 =>
BaCl2 + PbCO3 = BaCO3 + PbCl2
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