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2 Fe(oh)2 + 6 H2O + 3 O2 = 4 Fe(OH)3
NiSO4*5H2O + C2H4(NH2)2 = [Ni(C2H4(NH2)2)2(H2O)2]SO4*H2O + H2O =>
NiSO4*5H2O + 2 C2H4(NH2)2 = [Ni(C2H4(NH2)2)2(H2O)2]SO4*H2O + 2 H2O
C3H7COH + Cu(OH)2 = Cu2O + CO2 + H2O =>
C3H7COH + 22 Cu(OH)2 = 11 Cu2O + 4 CO2 + 26 H2O
Ca + Fe(C2H3O2)2 = Ca(C2H3O2) + Fe =>
2 Ca + Fe(C2H3O2)2 = 2 Ca(C2H3O2) + Fe
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq)
CoCl3 + KI = CoI3 + KCl =>
CoCl3 + 3 KI = CoI3 + 3 KCl
Cr(OH)3 + NaIO2 + NaOH = Na2CrO4 + NaI + H2O =>
4 Cr(OH)3 + 3 NaIO2 + 8 NaOH = 4 Na2CrO4 + 3 NaI + 10 H2O
La3O4 + La = LaO =>
La3O4 + La = 4 LaO
B + Fe2O3 = B2O3 + Fe =>
2 B + Fe2O3 = B2O3 + 2 Fe
Si + HBr = SiHBr3 + H2 =>
Si + 3 HBr = SiHBr3 + H2
Na2SO4 + Sr(NO3)2 = Na(NO3) + SrSO4 =>
Na2SO4 + Sr(NO3)2 = 2 Na(NO3) + SrSO4
[Cu(H2O)5]{2+} + NH3 = [Cu(NH3)4]{2+} + H2O =>
[Cu(H2O)5]{2+} + 4 NH3 = [Cu(NH3)4]{2+} + 5 H2O
HBr(aq) + NH3(aq) = NH4Br(aq) =>
HBr(aq) + NH3(aq) = NH4Br(aq)
K2Cr2O7 + NaOH + HCl = NaCl + KOH + H2CrO4 =>
K2Cr2O7 + 3 NaOH + 3 HCl = 3 NaCl + 2 KOH + 2 H2CrO4
KMnO4 + H2SO4 + Na2SO3 = MnSO4 + K2SO4 + H20O + Na2SO4 =>
20 KMnO4 + 30 H2SO4 + 77 Na2SO3 = 20 MnSO4 + 10 K2SO4 + 3 H20O + 77 Na2SO4
Mn3 + O2 = Mn2O3 =>
4 Mn3 + 9 O2 = 6 Mn2O3
CH3CO2H + NaHCO3 = C2H3NaO2 + H2O + CO2 =>
CH3CO2H + NaHCO3 = C2H3NaO2 + H2O + CO2
H2CrO4(aq) + NaOH(s) = Na2CrO4 + H2O =>
H2CrO4(aq) + 2 NaOH(s) = Na2CrO4 + 2 H2O
Mg(CN)2 + K = KCN + Mg =>
Mg(CN)2 + 2 K = 2 KCN + Mg
POBr3 + Mg = PO + MgBr2 =>
2 POBr3 + 3 Mg = 2 PO + 3 MgBr2
K2S + O2 = K2SO3 =>
2 K2S + 3 O2 = 2 K2SO3
BaHPO4 + CH3COOH = (CH3COO)2Ba + H3PO4 =>
BaHPO4 + 2 CH3COOH = (CH3COO)2Ba + H3PO4
NaSO3H2SO4 = NaSO4H2OSO2 =>
NaSO3H2SO4 = NaSO4H2OSO2
AlBr3(aq) + LiOH(aq) = AlLi + Br3OH =>
AlBr3(aq) + LiOH(aq) = AlLi + Br3OH
CuSO4 + C = CuO + CO2 + SO2 =>
2 CuSO4 + C = 2 CuO + CO2 + 2 SO2
HNO3 + Zn = Zn(NO3)2 + NH4 + H2O =>
20 HNO3 + 9 Zn = 9 Zn(NO3)2 + 2 NH4 + 6 H2O
Sb = Sb{3+} + {-} =>
Sb = Sb{3+} + 3e
CoO + Cl2 = CoOCl =>
2 CoO + Cl2 = 2 CoOCl
Na*H2O = NaOH + H2 =>
2 Na*H2O = 2 NaOH + H2
BrO{-} + Ag{+} + OH{-} = BrO3 + Ag + H2O =>
BrO{-} + 5 Ag{+} + 4 OH{-} = BrO3 + 5 Ag + 2 H2O
CH3O + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
2 CH3O + K2Cr2O7 + 4 H2SO4 = 2 HCOOH + Cr2(SO4)3 + K2SO4 + 5 H2O
Sr(HSO3)2 + H2O = H2SO3 + Sr(OH)2 =>
Sr(HSO3)2 + 2 H2O = 2 H2SO3 + Sr(OH)2
H2SO4 + CuO2H2 = H2O + CuSO4 =>
H2SO4 + CuO2H2 = 2 H2O + CuSO4
C15H20(i) + O2(g) = CO2(g) + H2O =>
C15H20(i) + 20 O2(g) = 15 CO2(g) + 10 H2O
H2O + KC3H7CO2 = HC3H7CO2 + KOH =>
H2O + KC3H7CO2 = HC3H7CO2 + KOH
Na2CO3 + Zn(C2H3O2)2 = NaC2H3O2 + ZnCO3 =>
Na2CO3 + Zn(C2H3O2)2 = 2 NaC2H3O2 + ZnCO3
Na2HPO4 + MgSO4 + NH3 + NH4Cl = Mg(NH4)PO4 + NaCl + (NH4)2SO4 =>
Na2HPO4 + MgSO4 + NH3 + 2 NH4Cl = Mg(NH4)PO4 + 2 NaCl + (NH4)2SO4
KOH + PbNO2 = KNO2 + PbOH =>
KOH + PbNO2 = KNO2 + PbOH
NaOH + Na2SO4 = H2SO4 + Na2O =>
2 NaOH + Na2SO4 = H2SO4 + 2 Na2O
SO3 + CUO = CUSO4 =>
SO3 + CUO = CUSO4
Te + (ClO3) + H2O = H6TeO6 + Cl2 =>
2 Te + 2(ClO3) + 6 H2O = 2 H6TeO6 + Cl2
BeSO4 = Be2 + O2 + SO3 =>
2 BeSO4 = Be2 + O2 + 2 SO3
(NH2)2CO + Cl2 + H2O = NH2Cl + CO2 + HCl =>
(NH2)2CO + 2 Cl2 + H2O = 2 NH2Cl + CO2 + 2 HCl
C4H8O4 = C2H5OH + CO2 =>
3 C4H8O4 = 4 C2H5OH + 4 CO2
CUI2 = CU + I2 =>
CUI2 = CU + I2
C6H12O6 + Cu(OH)2 = C6H10O6Cu + H2O =>
C6H12O6 + Cu(OH)2 = C6H10O6Cu + 2 H2O
Na2S2O3 + CO2 = Na2CO3 + S + SO2 =>
Na2S2O3 + CO2 = Na2CO3 + S + SO2
Fe2 + Mn = Fe4Mn3 =>
2 Fe2 + 3 Mn = Fe4Mn3
Zn2{+} + O2{-} = ZnO =>
Zn2{+} + O2{-} = 2 ZnO
Al + N3 = AlN =>
3 Al + N3 = 3 AlN
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