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2 Zn(OH)2 + 2 H2SiO4 = Zn2(SiO4)2 + 4 H2O
KCl + Br2 = KBr + Cl2 =>
2 KCl + Br2 = 2 KBr + Cl2
FeCl3 + NaI = Fe + I2 + NaCl =>
2 FeCl3 + 6 NaI = 2 Fe + 3 I2 + 6 NaCl
K + Al = KAl =>
K + Al = KAl
BaC4H6O4 + (NH4)2SO4 = BaSO4 + NH4C2H3O2 =>
BaC4H6O4 + (NH4)2SO4 = BaSO4 + 2 NH4C2H3O2
H2C2O4*2H2O + NaOH = Na2C2O4 + H2O =>
H2C2O4*2H2O + 2 NaOH = Na2C2O4 + 4 H2O
Ca(H2PO4)2 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
Ca(H2PO4)2 + 2 Ca(OH)2 = Ca3(PO4)2 + 4 H2O
F2(g) + KBr(aq) = Br2(s) + KF(aq) =>
F2(g) + 2 KBr(aq) = Br2(s) + 2 KF(aq)
CH3COOH + Na2S = Na + H2O + CO + CH2S =>
CH3COOH + Na2S = 2 Na + H2O + CO + CH2S
Ca(ClO)2 + NaCl = NaClO + CaCl2 =>
Ca(ClO)2 + 2 NaCl = 2 NaClO + CaCl2
FeI3 = FeI2 + I2 =>
2 FeI3 = 2 FeI2 + I2
FeO + CaO = FeCaO2 =>
FeO + CaO = FeCaO2
Fe2(SO4)3 + Na2S = Fe2S3 + Na2(SO4) =>
Fe2(SO4)3 + 3 Na2S = Fe2S3 + 3 Na2(SO4)
Pb(NO3)3 + K2CrO4 = PbCrO4 + K2(NO3)3 =>
Pb(NO3)3 + K2CrO4 = PbCrO4 + K2(NO3)3
Ag + O = AgO =>
Ag + O = AgO
PbO + O2 = Pb3O4 =>
6 PbO + O2 = 2 Pb3O4
NaNO3 + Al + NaOH = NaNO2 + Al(OH)3 + NaO =>
3 NaNO3 + Al + 3 NaOH = 3 NaNO2 + Al(OH)3 + 3 NaO
SnS2 + HCl = SnCl4 + H2S =>
SnS2 + 4 HCl = SnCl4 + 2 H2S
C + KNO3 + KOH = K2CO3 + KNO2 + H2O =>
C + 2 KNO3 + 2 KOH = K2CO3 + 2 KNO2 + H2O
Zn(OH)2 + H2O = Zn(OH)3 + H =>
Zn(OH)2 + H2O = Zn(OH)3 + H
H2O2 + CO(NH2)2 = CO2 + NH3 + O2 =>
2 H2O2 + 2 CO(NH2)2 = 2 CO2 + 4 NH3 + O2
C6H6(s) + O2(g) = CO2(g) + H2O(g) =>
2 C6H6(s) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
FeSO4 + Sr(NO3)2 = Fe(NO3)2 + SO4Sr =>
FeSO4 + Sr(NO3)2 = Fe(NO3)2 + SO4Sr
Ba(OH)2 + Na2SO4 = BaSO4 + NaOH =>
Ba(OH)2 + Na2SO4 = BaSO4 + 2 NaOH
AsO33{-} + I2 + H2O = AsO43{-} + I{-} + H{+} =>
AsO33{-} + 10 I2 + 10 H2O = AsO43{-} + 20 I{-} + 20 H{+}
HgCl2 + KI = HgI2 + KCl =>
HgCl2 + 2 KI = HgI2 + 2 KCl
NaBr + Na2SO4 = NaSO4 + Na2Br =>
NaBr + Na2SO4 = NaSO4 + Na2Br
NaHCO3(aq) + C6H8O7(aq) = CO2(g) + Na3C6H5O7(aq) + H2O =>
3 NaHCO3(aq) + C6H8O7(aq) = 3 CO2(g) + Na3C6H5O7(aq) + 3 H2O
Ni(NO3)2 + NH4OH = Ni(OH)2 + NH4NO3 =>
Ni(NO3)2 + 2 NH4OH = Ni(OH)2 + 2 NH4NO3
Ca(CO3) + HNO3 = Ca(NO3)2 + CO2 + H2O =>
Ca(CO3) + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
KBr + HNO3 = KNO3 + NO + Br2 + H2O =>
6 KBr + 8 HNO3 = 6 KNO3 + 2 NO + 3 Br2 + 4 H2O
H3Po4(aq) + KOH(aq) = H2O(l) + K3Po4(aq) =>
H3Po4(aq) + 3 KOH(aq) = 3 H2O(l) + K3Po4(aq)
Sb2S3 + Fe = Sb + FeS =>
Sb2S3 + 3 Fe = 2 Sb + 3 FeS
PI3 + H2O = H3PO3 + HI =>
PI3 + 3 H2O = H3PO3 + 3 HI
CuSO4 + KI = CuI + KI3 + K2SO4 =>
2 CuSO4 + 5 KI = 2 CuI + KI3 + 2 K2SO4
Ca(OH)2 + Na2SO4 = CaSO4 + NaOH =>
Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaOH
Ni(HO)2 = NiO + H2O =>
Ni(HO)2 = NiO + H2O
C5H9NO2 + C10H10O4 = C5H10NO2 + C10H8O4 =>
2 C5H9NO2 + C10H10O4 = 2 C5H10NO2 + C10H8O4
C3H8 = C + H2 =>
C3H8 = 3 C + 4 H2
Cl(aq) + H2O + AgNO3(aq) = AgCl(s) + HNO3(aq) + O2 =>
4 Cl(aq) + 2 H2O + 4 AgNO3(aq) = 4 AgCl(s) + 4 HNO3(aq) + O2
NaBr + Ag = AgBr + Na =>
NaBr + Ag = AgBr + Na
Al + SnCl2 = Sn + AlCl3 =>
2 Al + 3 SnCl2 = 3 Sn + 2 AlCl3
Mg(IO3)2 = Mg + IO3 =>
Mg(IO3)2 = Mg + 2 IO3
Br2 + H2O = HBr + HBrO =>
Br2 + H2O = HBr + HBrO
Na(HCO3) + CH3COOH = NaC2H3O2 + H2O + CO2 =>
Na(HCO3) + CH3COOH = NaC2H3O2 + H2O + CO2
N2H4 + I2 + H2O = N2 + I{-} + H3O{+} =>
N2H4 + 2 I2 + 4 H2O = N2 + 4 I{-} + 4 H3O{+}
KMnO4 + NaHSO3 = K + MnO2 + NaHSO4 =>
KMnO4 + 2 NaHSO3 = K + MnO2 + 2 NaHSO4
MnSO4 + NH3 = Mn + NH3SO4 =>
MnSO4 + NH3 = Mn + NH3SO4
Fe(SCN)3 + NaF = NaSCN + FeF3 =>
Fe(SCN)3 + 3 NaF = 3 NaSCN + FeF3
H2 + S = H2S =>
H2 + S = H2S
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