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SO2 + 2 H2O + 2e = SO4{-2} + 4 H
SO3 + H4O2 = SO3H4O2 =>
SO3 + H4O2 = SO3H4O2
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
KI + H2SO4 + Na2S2O3 = Na2S4O6 + I2 + K2SO4 + H2O =>
6 KI + 5 H2SO4 + Na2S2O3 = Na2S4O6 + 3 I2 + 3 K2SO4 + 5 H2O
Fe2S2 + HNO3 = Fe2(SO4) + NO + H2SO4 + H2O =>
3 Fe2S2 + 14 HNO3 = 3 Fe2(SO4) + 14 NO + 3 H2SO4 + 4 H2O
HBrO3 + Ca(HCO3)2 = H2O + CO2 + Ca(BrO3)2 =>
2 HBrO3 + Ca(HCO3)2 = 2 H2O + 2 CO2 + Ca(BrO3)2
KHCO3 + Ba(OH)2 = BaCO3 + KOH + H2O =>
KHCO3 + Ba(OH)2 = BaCO3 + KOH + H2O
Na2S2O3 + KMnO4 + H2O = K2SO4 + Na2SO4 + MnO2 + KOH =>
3 Na2S2O3 + 8 KMnO4 + H2O = 3 K2SO4 + 3 Na2SO4 + 8 MnO2 + 2 KOH
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
O2 + K3N = N2O3 + K =>
3 O2 + 4 K3N = 2 N2O3 + 12 K
Cr2O7{-2} + H3O{+} + SO3{-2} = Cr{+3} + H2O + SO4{-2} =>
Cr2O7{-2} + 8 H3O{+} + 3 SO3{-2} = 2 Cr{+3} + 12 H2O + 3 SO4{-2}
SO2 + HNO3 + H2O = NO + H2SO4 =>
3 SO2 + 2 HNO3 + 2 H2O = 2 NO + 3 H2SO4
NH4Cl(aq) + Ba(OH)2(aq) = BaCl2 + NH3(aq) + H2O(l) =>
2 NH4Cl(aq) + Ba(OH)2(aq) = BaCl2 + 2 NH3(aq) + 2 H2O(l)
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
SnCl2(aq) + Co(s) = CoCl + Sn =>
SnCl2(aq) + 2 Co(s) = 2 CoCl + Sn
MnBr2(at) + AgNO3(aq) = Mn(NO3)2(aq) + AgBr(s) =>
MnBr2(at) + 2 AgNO3(aq) = Mn(NO3)2(aq) + 2 AgBr(s)
C9H8O4 + O = CO2 + H2O =>
C9H8O4 + 18 O = 9 CO2 + 4 H2O
Cr(NO3)2 + NaBiO3 + HNO3 = Na2Cr2O7 + NaNO3 + Bi(NO3)3 + H2O =>
2 Cr(NO3)2 + 4 NaBiO3 + 10 HNO3 = Na2Cr2O7 + 2 NaNO3 + 4 Bi(NO3)3 + 5 H2O
CH3OH + H2 = CH3 + H2O =>
2 CH3OH + H2 = 2 CH3 + 2 H2O
Cr2O + KClO3 + KOH = K2CrO4 + KCl + H2O =>
3 Cr2O + 5 KClO3 + 12 KOH = 6 K2CrO4 + 5 KCl + 6 H2O
FeCO3 + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + Mn(SO4) + H2O + K2SO4 =>
10 FeCO3 + 2 KMnO4 + 18 H2SO4 = 5 Fe2(SO4)3 + 10 CO2 + 2 Mn(SO4) + 18 H2O + K2SO4
FeO + H2S = FeS + H2O =>
FeO + H2S = FeS + H2O
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
KO5 + CO2 = K5C2O4 + O3 =>
15 KO5 + 6 CO2 = 3 K5C2O4 + 25 O3
CH3COONa + O2 = CO2 + H2O + NaOH =>
CH3COONa + 2 O2 = 2 CO2 + H2O + NaOH
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
U3O8 + HNO3 = UO2(NO3)2 + NO2 + H2O =>
U3O8 + 8 HNO3 = 3 UO2(NO3)2 + 2 NO2 + 4 H2O
N2O + Cl2 + H2O = N2 + HClO4 =>
7 N2O + Cl2 + H2O = 7 N2 + 2 HClO4
Mg3Si4O10(OH)2 = Mg2SiO4 + H2O + SiO2 =>
2 Mg3Si4O10(OH)2 = 3 Mg2SiO4 + 2 H2O + 5 SiO2
K2S(s) = K(s) + S(g) =>
K2S(s) = 2 K(s) + S(g)
H3COOH + NaOH = CH3COONa + H2O =>
2 H3COOH + NaOH = CH3COONa + 3 H2O
CoBr3 + F2 = CoF3 + Br2 =>
2 CoBr3 + 3 F2 = 2 CoF3 + 3 Br2
AgNO3 + NaOH + SO2 = Na2SO4 + Ag + HNO3 =>
2 AgNO3 + 2 NaOH + SO2 = Na2SO4 + 2 Ag + 2 HNO3
HClO4(aq) + Sr(OH)2(aq) = Sr(ClO4)2(aq) + H2O(l) =>
2 HClO4(aq) + Sr(OH)2(aq) = Sr(ClO4)2(aq) + 2 H2O(l)
K2CO3 + ZnCl2 = KCl + ZnCO3 =>
K2CO3 + ZnCl2 = 2 KCl + ZnCO3
AgNO3 + Li3PO4 = Ag3PO4 + LiNO3 =>
3 AgNO3 + Li3PO4 = Ag3PO4 + 3 LiNO3
SiF4 + O2 = SiO2 + F2 =>
SiF4 + O2 = SiO2 + 2 F2
Me3PO4 + KOH = MeOH + K3PO4 =>
Me3PO4 + 3 KOH = 3 MeOH + K3PO4
Pb(OH)2 + HCl = PbCl2 + H2O =>
Pb(OH)2 + 2 HCl = PbCl2 + 2 H2O
Se + NaOH = Na2Se + Na2SeO2 + H2O =>
2 Se + 4 NaOH = Na2Se + Na2SeO2 + 2 H2O
FeS + O = FeO + SO2 =>
FeS + 3 O = FeO + SO2
C3H6O3 + NaOH = NaC3H5O3 + H2O =>
C3H6O3 + NaOH = NaC3H5O3 + H2O
Cu + Ag2SO4 = Cu2(SO4)2 + Ag =>
2 Cu + 2 Ag2SO4 = Cu2(SO4)2 + 4 Ag
H2O4S + HNaO = Na2O4S + H2O =>
H2O4S + 2 HNaO = Na2O4S + 2 H2O
CH2OHCH2OH + PCl5 = CH2ClCH2Cl + HCl + POCl3 =>
CH2OHCH2OH + 2 PCl5 = CH2ClCH2Cl + 2 HCl + 2 POCl3
PdO + HCl = PdCl2 + H2O =>
PdO + 2 HCl = PdCl2 + H2O
NiCO3 + Al(OH)3 = Ni(OH)2 + Al2(CO3)3 =>
3 NiCO3 + 2 Al(OH)3 = 3 Ni(OH)2 + Al2(CO3)3
CH2Cl2 + KI = CH2I2 + KCl =>
CH2Cl2 + 2 KI = CH2I2 + 2 KCl
Au + NaOH = Na + Au(OH)3 =>
Au + 3 NaOH = 3 Na + Au(OH)3
MnO2 + H{+} + I{-} = I2 + Mn2 + H2O =>
2 MnO2 + 8 H{+} + 8 I{-} = 4 I2 + Mn2 + 4 H2O
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