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2 HCHO + 2 Na + H2 = 2 CH3ONa
ZnC4H6O4 + H2O = Zn(OH)2 + CH3COOH =>
ZnC4H6O4 + 2 H2O = Zn(OH)2 + 2 CH3COOH
PbO2 + H2SO4 + KI = PbSO4 + K2SO4 + H2O + I2 =>
PbO2 + 2 H2SO4 + 2 KI = PbSO4 + K2SO4 + 2 H2O + I2
C6H5Cl + NaOH = C6H6O + NaCl =>
C6H5Cl + NaOH = C6H6O + NaCl
Cr(NO3)2(aq) + K3PO4(aq) = Cr3(PO4)2(s) + KNO3(aq) =>
3 Cr(NO3)2(aq) + 2 K3PO4(aq) = Cr3(PO4)2(s) + 6 KNO3(aq)
K2SiO3 + HOH = KOH + H2SiO3 =>
K2SiO3 + 2 HOH = 2 KOH + H2SiO3
H2O + MnO4{-} + I{-} = MnO2 + I2 + OH{-} =>
4 H2O + 2 MnO4{-} + 6 I{-} = 2 MnO2 + 3 I2 + 8 OH{-}
Ca3(PO4)2 + H2SO4 = Ca3(SO4)3 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = Ca3(SO4)3 + 2 H3PO4
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
sodiumchloride = sodium + chlorine =>
2 NaCl = 2 Na + Cl2
Ag(NH3)2 + Se + H2O = Ag2Se + Ag2SeO3 + NH4 =>
6 Ag(NH3)2 + 3 Se + 6 H2O = Ag2Se + 2 Ag2SeO3 + 12 NH4
N2O5 = N2O4 + O2 =>
2 N2O5 = 2 N2O4 + O2
OCl{-} + S2O32{-} + OH{-} = SO42{-} + Cl{-} + H2O =>
103 OCl{-} + 2 S2O32{-} + 2 OH{-} = 4 SO42{-} + 103 Cl{-} + H2O
(CH3COO)2Ca + NaHCO3 = C2H3NaO2 + CaCO3 + CO2 + H2O =>
(CH3COO)2Ca + 2 NaHCO3 = 2 C2H3NaO2 + CaCO3 + CO2 + H2O
POCl3 + NaNO2 = NOCl + Na3PO4 =>
POCl3 + 3 NaNO2 = 3 NOCl + Na3PO4
KNO3 + Pb(OH)2 = Pb(NO3)2 + KOH =>
2 KNO3 + Pb(OH)2 = Pb(NO3)2 + 2 KOH
I2 + HCl = HI2 + Cl =>
I2 + HCl = HI2 + Cl
Na2CrO4 + NaI + H2SO4 = I2 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na2CrO4 + 6 NaI + 8 H2SO4 = 3 I2 + Cr2(SO4)3 + 5 Na2SO4 + 8 H2O
Br2 + O2 + H2O = HBrO3 =>
2 Br2 + 5 O2 + 2 H2O = 4 HBrO3
AlCl3 + Sr(OH)2 = SrCl2 + Al(OH)3 =>
2 AlCl3 + 3 Sr(OH)2 = 3 SrCl2 + 2 Al(OH)3
H2SO4 + Cu = CuSO4 + H2O + SO2 =>
2 H2SO4 + Cu = CuSO4 + 2 H2O + SO2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
(C5H5) = (C5H5)2 =>
2(C5H5) = (C5H5)2
Sn(OH)2 + FeBr3 = SnBr3 + Fe(OH)2 =>
Sn(OH)2 + FeBr3 = SnBr3 + Fe(OH)2
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
Sn(OH)2 + FeBr3 = SnBr3 + Fe(OH)2 =>
Sn(OH)2 + FeBr3 = SnBr3 + Fe(OH)2
Fe(OH)2 + NaOH = Na2FeO2 + H2O =>
Fe(OH)2 + 2 NaOH = Na2FeO2 + 2 H2O
Ca1CO3 = CaO + CO2 =>
Ca1CO3 = CaO + CO2
C6H5NH2 + HClO4 = NH4ClO4 + C6H4 =>
C6H5NH2 + HClO4 = NH4ClO4 + C6H4
Ca(No3)2 + H2SO4 = CaH2 + (No3)2SO4 =>
Ca(No3)2 + H2SO4 = CaH2 + (No3)2SO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Fe2O3(s) + CO(g) = CO2(g) + Fe(s) =>
Fe2O3(s) + 3 CO(g) = 3 CO2(g) + 2 Fe(s)
Ca3(PO4)2(s) = Ca + PO4 =>
Ca3(PO4)2(s) = 3 Ca + 2 PO4
Al(OH)3 + Ca(OH)2 = Ca3(Al(OH)6)2 =>
2 Al(OH)3 + 3 Ca(OH)2 = Ca3(Al(OH)6)2
AlCl3 + C2H6 = Al + CH3Cl =>
2 AlCl3 + 3 C2H6 = 2 Al + 6 CH3Cl
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
KMnO4 + C6H12O6 + NaOH = C6H11O7Na + K2MnO4 + MnO2 + H2O =>
2 KMnO4 + 2 C6H12O6 + 2 NaOH = 2 C6H11O7Na + K2MnO4 + MnO2 + 2 H2O
ReI4 + H2O = ReO2 + HI =>
ReI4 + 2 H2O = ReO2 + 4 HI
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Na2CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3
CH3CH2OH + CH3COOH = H2O + CH3CHOOCH2CH3 =>
5 CH3CH2OH + 3 CH3COOH = 3 H2O + 4 CH3CHOOCH2CH3
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
CrO3 + KI + H2O = I2 + Cr(OH)3 + KOH =>
2 CrO3 + 6 KI + 6 H2O = 3 I2 + 2 Cr(OH)3 + 6 KOH
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
F2 + MgCl2 = MgF + Cl2 =>
F2 + 2 MgCl2 = 2 MgF + 2 Cl2
Ca(HCO3)2 + CH3COOH = Ca(CH3COOH)2 + H2O + CO2 =>
4 Ca(HCO3)2 + 9 CH3COOH = 4 Ca(CH3COOH)2 + 6 H2O + 10 CO2
Li2O + H2S = Li2S + H2O =>
Li2O + H2S = Li2S + H2O
NH4F + K2S = (NH4)2S + KF =>
2 NH4F + K2S = (NH4)2S + 2 KF
Cr2O7 + H2C2O4 + H{+} = Cr{+3} + CO2 + H2O =>
Cr2O7 + 4 H2C2O4 + 6 H{+} = 2 Cr{+3} + 8 CO2 + 7 H2O
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