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2 Fe + O2 + 2 H2O = 2 Fe(OH)2
K4[Fe(CN)]6 + Br2 + NaOH = K3[Fe(CN)]6 + NaBr + KOH =>
2 K4[Fe(CN)]6 + Br2 + 2 NaOH = 2 K3[Fe(CN)]6 + 2 NaBr + 2 KOH
HCl + KCr2O7 = CrCl3 + KCl + Cl2 + H2O =>
28 HCl + 2 KCr2O7 = 4 CrCl3 + 2 KCl + 7 Cl2 + 14 H2O
KOH + H3PO4 = K3PO4 + (H2O) =>
3 KOH + H3PO4 = K3PO4 + 3(H2O)
Br2 + AlI3 = I2 + AlBr3 =>
3 Br2 + 2 AlI3 = 3 I2 + 2 AlBr3
SiO2 + NaOH = Na2Si3O7 + H2O =>
3 SiO2 + 2 NaOH = Na2Si3O7 + H2O
HCl + Na2SO4 = SO2 + NaCl + H2O + O2 =>
4 HCl + 2 Na2SO4 = 2 SO2 + 4 NaCl + 2 H2O + O2
NH4NO3 + C4H6O5 + Fe2O3 + NaOH = C8H7NO8Na4Fe + H2O + O2 =>
2 NH4NO3 + 8 C4H6O5 + 2 Fe2O3 + 16 NaOH = 4 C8H7NO8Na4Fe + 22 H2O + 7 O2
Pb(NO3)2(aq) + CaS(aq) = PbS(s) + Ca(NO3)2(aq) =>
Pb(NO3)2(aq) + CaS(aq) = PbS(s) + Ca(NO3)2(aq)
HCe + NaOH = H2O + NaCe =>
HCe + NaOH = H2O + NaCe
CuO + BeO = CuBeO2 =>
CuO + BeO = CuBeO2
H3X + NaOH = Na3X + H2O = H3X + NaOH = Na3X + H2OH3X + NaOH = Na3X + H2O = H3X + NaOH = Na3X + H2OZnS + O2 = ZnO + SO2 =>
H3X + 3 NaOH = Na3X + 3 H2O
Ba3(PO4)2 + AgNO3 = Ag3PO4 + Ba(NO3)2 =>
Ba3(PO4)2 + 6 AgNO3 = 2 Ag3PO4 + 3 Ba(NO3)2
Na2S + PbCrO4 = Na2CrO4 + PbS =>
Na2S + PbCrO4 = Na2CrO4 + PbS
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2[Zn(OH)4] + CuSO4 = Cu[Zn(OH)4] + Na2SO4 =>
Na2[Zn(OH)4] + CuSO4 = Cu[Zn(OH)4] + Na2SO4
C7H8 + O2 = CO2 + H2O =>
C7H8 + 9 O2 = 7 CO2 + 4 H2O
Br{-} + BrO3 + H{+} = Br2 + H2O =>
12 Br{-} + 2 BrO3 + 12 H{+} = 7 Br2 + 6 H2O
AgNO3 + NaCO3 = AgCO3 + NO3 + Na =>
AgNO3 + NaCO3 = AgCO3 + NO3 + Na
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
I2 + KOH = KIO2 + KI + H2O =>
2 I2 + 4 KOH = KIO2 + 3 KI + 2 H2O
PbNO3 + NaOH = Pb(OH) + NaNO3 =>
PbNO3 + NaOH = Pb(OH) + NaNO3
FeAsS + Fe{3+} + H2O = Fe{2+} + HAsO4{2-} + SO4{2-} + H{+} =>
FeAsS + 13 Fe{3+} + 8 H2O = 14 Fe{2+} + HAsO4{2-} + SO4{2-} + 15 H{+}
KMnO4 + FeCl + HCl = MnCl2 + FeCl3 + KCl + H2O =>
2 KMnO4 + 5 FeCl + 16 HCl = 2 MnCl2 + 5 FeCl3 + 2 KCl + 8 H2O
FeCl{3} + NaOH = Fe(OH){3} + NaCl =>
FeCl{3} + NaOH = Fe(OH){3} + NaCl
S + Cl2 = SCl6 =>
S + 3 Cl2 = SCl6
Cr2(SO4)3 + Na2CO3 + H2O = Cr(OH)3 + Na2SO4 + CO2 =>
Cr2(SO4)3 + 3 Na2CO3 + 3 H2O = 2 Cr(OH)3 + 3 Na2SO4 + 3 CO2
K3[Fe(CN)6] + Ca(NO3)2 = KNO3 + Ca3[Fe(CN)6]2 =>
2 K3[Fe(CN)6] + 3 Ca(NO3)2 = 6 KNO3 + Ca3[Fe(CN)6]2
CuO + BeO = CuBeO2 =>
CuO + BeO = CuBeO2
BaCrO4 + CH3COOH = CrCOOH + H2O + BaOH + CO2 =>
BaCrO4 + CH3COOH = CrCOOH + H2O + BaOH + CO2
Fe + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K =>
4 Fe + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 K
Na2HAsO3 + NaBrO3 + HCl = NaCl + NaBr + H3AsO4 =>
3 Na2HAsO3 + NaBrO3 + 6 HCl = 6 NaCl + NaBr + 3 H3AsO4
NaClO(aq) + Cl2(g) = ClO2(g) + NaCl(aq) =>
4 NaClO(aq) + Cl2(g) = 2 ClO2(g) + 4 NaCl(aq)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn(NO3) + NaOH = Zn(OH) + Na(NO3) =>
Zn(NO3) + NaOH = Zn(OH) + Na(NO3)
Fe + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K =>
4 Fe + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 K
K3[Fe(CN6)] + NaOH = Na3[Fe(CN6)] + KOH =>
K3[Fe(CN6)] + 3 NaOH = Na3[Fe(CN6)] + 3 KOH
Pb(NO3)2 + AgCl = PbCl2 + AgNO3 =>
Pb(NO3)2 + 2 AgCl = PbCl2 + 2 AgNO3
AgNO3 + NaCO3 = AgCO3 + NO3 + Na =>
AgNO3 + NaCO3 = AgCO3 + NO3 + Na
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
AgNO3 + NaCO3 = AgCO3 + NO3 + Na =>
AgNO3 + NaCO3 = AgCO3 + NO3 + Na
Ba(HCO3)2 + HNO3 = Ba(NO3)2 + H2CO3 =>
Ba(HCO3)2 + 2 HNO3 = Ba(NO3)2 + 2 H2CO3
AgNO3 + NaCO3 = AgCO3 + NO3 + Na =>
AgNO3 + NaCO3 = AgCO3 + NO3 + Na
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
LiOH + LiHSO4 = Li2SO4 + H2O =>
LiOH + LiHSO4 = Li2SO4 + H2O
InCl2 + H2O = InOHCl + HCl =>
InCl2 + H2O = InOHCl + HCl
Sr2SiO4 = SrO + SiO2 =>
Sr2SiO4 = 2 SrO + SiO2
AgNO3 + NaCO3 = AgCO3 + NO3 + Na =>
AgNO3 + NaCO3 = AgCO3 + NO3 + Na
C4(s) + O2(g) = CO2(g) =>
C4(s) + 4 O2(g) = 4 CO2(g)
CH3COOH + C6H6O = CH3COO + C6H7 =>
8 CH3COOH + 6 C6H6O = 11 CH3COO + 5 C6H7
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