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5 Fe(CN)6{-4} + 188 H{+} + 61 MnO4{-} = 5 Fe{+3} + 30 CO2 + 30 NO3{-} + 61 Mn{+2} + 94 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NiO + SO2 + O2 = NiSO4 =>
2 NiO + 2 SO2 + O2 = 2 NiSO4
Ca + H2SO4 = SO2 + CaSO4 + H2O =>
Ca + 2 H2SO4 = SO2 + CaSO4 + 2 H2O
H2SO4 = SO + H2O + O2 =>
H2SO4 = SO + H2O + O2
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
H + O = HO =>
H + O = HO
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H20 + O2 =>
10 K2Cr2O7 + 40 H2SO4 = 10 K2SO4 + 10 Cr2(SO4)3 + 4 H20 + 35 O2
H + O2 = H2O =>
4 H + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
S + N2O = SO2 + N2 =>
S + 2 N2O = SO2 + 2 N2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
S + NaOH = Na2S + Na2S2O3 + H20 =>
50 S + 60 NaOH = 10 Na2S + 20 Na2S2O3 + 3 H20
H2O + Cl2 = HCl + O2 =>
2 H2O + 2 Cl2 = 4 HCl + O2
HCl + MgOH = MgCl + H2O =>
HCl + MgOH = MgCl + H2O
C2H4O2 + C2H5OH = C4H8O2 + H2O =>
C2H4O2 + C2H5OH = C4H8O2 + H2O
H2O + Na2SO4 = H2SO4 + NaOH =>
2 H2O + Na2SO4 = H2SO4 + 2 NaOH
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
KMnO4 + HCl = KCl + MnCl2 + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 5 Cl2 + 8 H2O
Ni(NO3)2 + CO(NH2)2 = NiO + CO2 + H2O + N2 =>
3 Ni(NO3)2 + 5 CO(NH2)2 = 3 NiO + 5 CO2 + 10 H2O + 8 N2
H + Cl2 = HCl =>
2 H + Cl2 = 2 HCl
As2S3 + H2O2 + NH3 = (NH4)2SO4 + (NH4)3AsO4 + H2O =>
As2S3 + 14 H2O2 + 12 NH3 = 3(NH4)2SO4 + 2(NH4)3AsO4 + 8 H2O
Ni(NO3)2 + CO(NH2)2 = Ni + CO2 + H2O + N2 =>
Ni(NO3)2 + 2 CO(NH2)2 = Ni + 2 CO2 + 4 H2O + 3 N2
Cu(NO3) + Fe(NO3)3 = Cu(NO3)2 + Fe(NO3) =>
2 Cu(NO3) + Fe(NO3)3 = 2 Cu(NO3)2 + Fe(NO3)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
HCl + KI = KCl + HI =>
HCl + KI = KCl + HI
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
Ag + NHO3 = AgNO3 + H2O + NO =>
3 Ag + 4 NHO3 = 3 AgNO3 + 2 H2O + NO
Ge + HNO3 = H2GeO3 + NO2 + H2O =>
Ge + 4 HNO3 = H2GeO3 + 4 NO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2 + O = H2O =>
H2 + O = H2O
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
BaSO4 + HCl = BaCl2 + H2SO4 =>
BaSO4 + 2 HCl = BaCl2 + H2SO4
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
H3PO4 + H2S + K2Cr2O7 = K3PO4 + CrPO4 + S8 + H2O =>
64 H3PO4 + 72 H2S + 24 K2Cr2O7 = 16 K3PO4 + 48 CrPO4 + 9 S8 + 168 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + Cl2 + H2O =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 3 Cl2 + 7 H2O
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2(g) + O2(g) = H2O =>
2 H2(g) + O2(g) = 2 H2O
Cu + O2 + H2O = Cu{2+} + OH{-} =>
2 Cu + O2 + 2 H2O = 2 Cu{2+} + 4 OH{-}
Cu3P + H{+} + Cr2O7{-2} = Cu{+2} + H3PO4 + Cr{+3} + H2O =>
6 Cu3P + 124 H{+} + 11 Cr2O7{-2} = 18 Cu{+2} + 6 H3PO4 + 22 Cr{+3} + 53 H2O
SO2 + KMnO4 + H2O = H2SO4 + MnSO4 + K2SO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 H2SO4 + 2 MnSO4 + K2SO4
H2 + I2 = HI =>
H2 + I2 = 2 HI
Cu + H{+} = Cu{2+} + H2 =>
Cu + 2 H{+} = Cu{2+} + H2
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