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4 Au + 8 S2O3{2-} + O2 + 2 H2O = 4 Au(S2O3)2{3-} + 4 OH{-}
Bi + Cr(NO3)3 = Bi(NO3)3 + Cr =>
Bi + Cr(NO3)3 = Bi(NO3)3 + Cr
K(s) + HCl(aq) = KCl(g) + H2(g) =>
2 K(s) + 2 HCl(aq) = 2 KCl(g) + H2(g)
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
Fe(SCN)3 + NH4F = FeF3 + NH4SCN =>
Fe(SCN)3 + 3 NH4F = FeF3 + 3 NH4SCN
MoO4{-2} + S2O4{-2} + H{+} = [Mo154O448(OH)14(H2O)70]{-14} + SO2 + H2O =>
154 MoO4{-2} + 14 S2O4{-2} + 322 H{+} = [Mo154O448(OH)14(H2O)70]{-14} + 28 SO2 + 84 H2O
FeCr4 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCr4 + 16 K2CO3 + 27 O2 = 2 Fe2O3 + 16 K2CrO4 + 16 CO2
KMnO4 + H2SO4 + Na2S2O3 = Na2SO4 + MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 Na2S2O3 = 5 Na2SO4 + 8 MnSO4 + 4 K2SO4 + 7 H2O
CH3COONa + H2 = CH4 + NaOH + CO2 =>
2 CH3COONa + 4 H2 = 3 CH4 + 2 NaOH + CO2
H2SO4 + Na2SO4 = NaHSO4 =>
H2SO4 + Na2SO4 = 2 NaHSO4
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
H3PO2 + O2 = H3PO4 =>
H3PO2 + O2 = H3PO4
Cuto2 = Cuto =>
Cuto2 = 2 Cuto
CaCl2 + NaCO3 = Ca(CO3)2 + NaCl =>
CaCl2 + 2 NaCO3 = Ca(CO3)2 + 2 NaCl
K2SO4 + HCl = SO2 + O2 + KCl + H2O =>
2 K2SO4 + 4 HCl = 2 SO2 + O2 + 4 KCl + 2 H2O
CH3COOH + K2Cr2O7 = CH3COOK + (CH3COO)3Cr + O2 + H2O =>
16 CH3COOH + 2 K2Cr2O7 = 4 CH3COOK + 4(CH3COO)3Cr + 3 O2 + 8 H2O
NH4Cl + CaOH = ClOH + CaNH4 =>
NH4Cl + CaOH = ClOH + CaNH4
Cr{3+} + Zn = Cr + Zn{2+} =>
2 Cr{3+} + 3 Zn = 2 Cr + 3 Zn{2+}
Ba(OH)2 + ZnSO4 = BaSO4 + (OH)2Zn =>
Ba(OH)2 + ZnSO4 = BaSO4 + (OH)2Zn
Ca + NaSO4 = Ca2SO4 + Na =>
2 Ca + NaSO4 = Ca2SO4 + Na
Sr(BrO3)2 + RbCl = RbBrO3 + SrCl2 =>
Sr(BrO3)2 + 2 RbCl = 2 RbBrO3 + SrCl2
NaAsO2 + KBrO3 = KBr + NaAsO3 =>
3 NaAsO2 + KBrO3 = KBr + 3 NaAsO3
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
FeO + Na2O2 = NaFeO2 =>
2 FeO + Na2O2 = 2 NaFeO2
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + O2 =>
4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 6 H2O + 5 O2
HgO + Cl2 = HgCl2 + Cl2O =>
HgO + 2 Cl2 = HgCl2 + Cl2O
HCOOH + NaOH = HCOONa + H2O =>
HCOOH + NaOH = HCOONa + H2O
HBr + Al(HO)3 = H2O + AlBr3 =>
3 HBr + Al(HO)3 = 3 H2O + AlBr3
S2O3{2-} + Br2 = Br2O3{2-} + S2 =>
S2O3{2-} + Br2 = Br2O3{2-} + S2
Ca(OH)2 + NH4Cl = NH4OH + CaCl2 =>
Ca(OH)2 + 2 NH4Cl = 2 NH4OH + CaCl2
CrO3H3 + O2{2-} + OH = CrO4{2-} + H2O =>
CrO3H3 + O2{2-} + OH = CrO4{2-} + 2 H2O
CaSO4 + NaOH + O2 = Ca2O3 + Na2SO4 + H2O =>
4 CaSO4 + 8 NaOH + O2 = 2 Ca2O3 + 4 Na2SO4 + 4 H2O
Br3 + Na = NaBr =>
Br3 + 3 Na = 3 NaBr
Na2CO3(aq) + H3O(aq) = Na(aq) + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 H3O(aq) = 2 Na(aq) + CO2(g) + 3 H2O(l)
SiO2 + HF = SiF + O2H =>
SiO2 + HF = SiF + O2H
SnClO3 = SnCl + O2 =>
2 SnClO3 = 2 SnCl + 3 O2
Al + HCl = AlCl + H =>
Al + HCl = AlCl + H
BaO + H = Ba + OH =>
BaO + H = Ba + OH
SC + O2 = SCO2 =>
SC + O2 = SCO2
Al + HCl + KIO3 = AlCl3 + I2 + KCl + H2O =>
10 Al + 36 HCl + 6 KIO3 = 10 AlCl3 + 3 I2 + 6 KCl + 18 H2O
C6H7N(l) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
4 C6H7N(l) + 31 O2(g) = 24 CO2(g) + 14 H2O(g) + 2 N2(g)
Cu(OH)3 = Cu2O3 + H2O =>
2 Cu(OH)3 = Cu2O3 + 3 H2O
NH3 + SiO2 = Si + N2 + H2O =>
4 NH3 + 3 SiO2 = 3 Si + 2 N2 + 6 H2O
Na2CrO4 + NaCl + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O + Cl2 =>
2 Na2CrO4 + 6 NaCl + 8 H2SO4 = 5 Na2SO4 + Cr2(SO4)3 + 8 H2O + 3 Cl2
C2H6O(l) + O2 = CO2(g) + H2O(l) =>
C2H6O(l) + 3 O2 = 2 CO2(g) + 3 H2O(l)
Cu(C2H3O2)2(aq) + Li(s) = Cu(s) + LiC2H3O2(aq) =>
Cu(C2H3O2)2(aq) + 2 Li(s) = Cu(s) + 2 LiC2H3O2(aq)
Ca(OH)2 + HN3 = Ca(N3)2 + H2O =>
Ca(OH)2 + 2 HN3 = Ca(N3)2 + 2 H2O
BF3 + Li3PO3 = B(PO3) + LiF =>
BF3 + Li3PO3 = B(PO3) + 3 LiF
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