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H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe2(SO4)3 + Pb = Pb(SO4) + Fe =>
Fe2(SO4)3 + 3 Pb = 3 Pb(SO4) + 2 Fe
C2H4HBrO = C2H5BrO =>
C2H4HBrO = C2H5BrO
Cu{+} + Cl{-} = CuCl =>
Cu{+} + Cl{-} = CuCl
CaCl2 + Na2CO3 + H2O = (CaOH)2CO3 + CO2 + NaCl =>
2 CaCl2 + 2 Na2CO3 + H2O = (CaOH)2CO3 + CO2 + 4 NaCl
Fe2O3 + Cu = Cu2O + Fe =>
Fe2O3 + 6 Cu = 3 Cu2O + 2 Fe
SnCl2 + NaOH + BiCl3 = Na2[Sn(OH)6] + Bi + NaCl =>
3 SnCl2 + 18 NaOH + 2 BiCl3 = 3 Na2[Sn(OH)6] + 2 Bi + 12 NaCl
Pb + Fe2(SO4)3 = Pb2(SO4)4 + Fe =>
6 Pb + 4 Fe2(SO4)3 = 3 Pb2(SO4)4 + 8 Fe
ZnCl2Ba(OH)2 = Zn(OH)2BaCl2 =>
ZnCl2Ba(OH)2 = Zn(OH)2BaCl2
NaI + I2 = NaI3 =>
NaI + I2 = NaI3
AI + Cl = AICl3 =>
AI + 3 Cl = AICl3
H2 + N2O5 = H2O + N2 =>
5 H2 + N2O5 = 5 H2O + N2
CaCl2 + Na2CO3 + H2O = NaCl + CaO + H2CO3 =>
CaCl2 + Na2CO3 + H2O = 2 NaCl + CaO + H2CO3
Ag2(C2O4) + Ca = Ca(C2O4) + Ag =>
Ag2(C2O4) + Ca = Ca(C2O4) + 2 Ag
A8 = A3 =>
3 A8 = 8 A3
Cu + Fe2O3 = CuO3 + Fe =>
Cu + Fe2O3 = CuO3 + 2 Fe
Na + BrO3 = NaBrO3 =>
Na + BrO3 = NaBrO3
BiCl3 + SnCl2 + NaOH = Na2Sn(OH)6 + Bi + NaCl =>
2 BiCl3 + 3 SnCl2 + 18 NaOH = 3 Na2Sn(OH)6 + 2 Bi + 12 NaCl
Cu + ZnO = Zn + CuO =>
Cu + ZnO = Zn + CuO
HCOOH + CaCO3 = HCOOCa + CO2 + H2O =>
3 HCOOH + 2 CaCO3 = 2 HCOOCa + 3 CO2 + 2 H2O
Pb + Fe2(SO4)3 = Pb(SO4)2 + Fe =>
3 Pb + 2 Fe2(SO4)3 = 3 Pb(SO4)2 + 4 Fe
CuOH3 = CuO + H =>
CuOH3 = CuO + 3 H
NH4OH + NH4Cl = NH4 + ClNH3H2O =>
NH4OH + NH4Cl = NH4 + ClNH3H2O
SO2(OH)2 + PCl5 = SO2Cl2 + POCl3 + HCl =>
SO2(OH)2 + 2 PCl5 = SO2Cl2 + 2 POCl3 + 2 HCl
Cr(OH)2 + OH = CrO4 + H2O =>
Cr(OH)2 + 6 OH = CrO4 + 4 H2O
Na2Co3H2O = NaHCo3NaOH =>
Na2Co3H2O = NaHCo3NaOH
CaCl2 + Na2CO3 + H2O = HCl + CaCO3 + Na2O =>
CaCl2 + Na2CO3 + H2O = 2 HCl + CaCO3 + Na2O
Al(s) + AgNO3(aq) = Al(NO3)3(aq) + Ag(s) =>
Al(s) + 3 AgNO3(aq) = Al(NO3)3(aq) + 3 Ag(s)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C7H8O2 + O2 = CO2 + H2O =>
C7H8O2 + 8 O2 = 7 CO2 + 4 H2O
SnCl2 + BiCl3 + NaOH = Bi + Sn(OH)4 + NaCl =>
3 SnCl2 + 2 BiCl3 + 12 NaOH = 2 Bi + 3 Sn(OH)4 + 12 NaCl
CO2HgOHg = Hg2CO3 =>
CO2HgOHg = Hg2CO3
CH3OH + CH3COOH = C3H6O2 + H2O =>
CH3OH + CH3COOH = C3H6O2 + H2O
CaCl2 + Na2CO3 + H2O = NaCl + Ca(OH)2 + CO2 =>
CaCl2 + Na2CO3 + H2O = 2 NaCl + Ca(OH)2 + CO2
SiO2 + C = CO + Si =>
SiO2 + 2 C = 2 CO + Si
BiCl3 + SnCl2 + NaOH = Bi + Na2SnO3 + NaCl + H2O =>
2 BiCl3 + 3 SnCl2 + 18 NaOH = 2 Bi + 3 Na2SnO3 + 12 NaCl + 9 H2O
Cu(NO3)2KHS = CuSKNO3HNO3 =>
Cu(NO3)2KHS = CuSKNO3HNO3
NO2(g) + H(g) = NH3(g) + H2O(l) =>
NO2(g) + 7 H(g) = NH3(g) + 2 H2O(l)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Al2(SO4)3 + Na2CO3 = NaAlO2 + Na2SO4 + CO2 =>
Al2(SO4)3 + 4 Na2CO3 = 2 NaAlO2 + 3 Na2SO4 + 4 CO2
CaCO3 + CH3CO2H = CH3CO2Ca + CO2 + H2O =>
8 CaCO3 + 9 CH3CO2H = 8 CH3CO2Ca + 10 CO2 + 6 H2O
CaO + B2O3 = CaB2O4 =>
CaO + B2O3 = CaB2O4
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Au(OH) + H3PO4 = Au3PO4 + H2O =>
3 Au(OH) + H3PO4 = Au3PO4 + 3 H2O
Fe(NO3)3 + Na3PO4 = FePO4 + NaNO3 =>
Fe(NO3)3 + Na3PO4 = FePO4 + 3 NaNO3
HNO3 + HCl = NO + Cl2 + H2O =>
2 HNO3 + 6 HCl = 2 NO + 3 Cl2 + 4 H2O
CaCl2 + Na2CO3 + H2O = NaCl + Ca(OH)2 + H2CO3 =>
CaCl2 + Na2CO3 + 2 H2O = 2 NaCl + Ca(OH)2 + H2CO3
CaO + B2O3 = Ca3(BO3)2 =>
3 CaO + B2O3 = Ca3(BO3)2
Zn + N2 + H2O = Zn{2+} + N2H4 + OH{-} =>
2 Zn + N2 + 4 H2O = 2 Zn{2+} + N2H4 + 4 OH{-}
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
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