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4 Fe + 3 O2 = 2 Fe2O3
VO2{+} + SO3{2-} + H{+} + H2O = (VO(H2O)5){2+} + SO4{2-} =>
2 VO2{+} + SO3{2-} + 2 H{+} + 9 H2O = 2(VO(H2O)5){2+} + SO4{2-}
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Na + Ci = NaCi =>
Na + Ci = NaCi
Na + CI = NaCI =>
Na + CI = NaCI
Fe(Cl)3 + NaOH = NaCl + Fe(OH)3 =>
Fe(Cl)3 + 3 NaOH = 3 NaCl + Fe(OH)3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
La(OH)3 + HCl = LaCl3 + H2O =>
La(OH)3 + 3 HCl = LaCl3 + 3 H2O
K4Fe(CN)6 + H2SO4 + H2O2 = K3Fe(CN)6 + H2O + K2SO4 =>
2 K4Fe(CN)6 + H2SO4 + H2O2 = 2 K3Fe(CN)6 + 2 H2O + K2SO4
VO2{+} + H2 + H{+} + H2O = (V(H2O)6){3+} =>
VO2{+} + H2 + 2 H{+} + 4 H2O = (V(H2O)6){3+}
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
K + H2O = K2O + H =>
2 K + H2O = K2O + 2 H
C6H8O7 + NaOCl = ClO2 + H2O + NaCl + Na2CO3 =>
C6H8O7 + 39 NaOCl = 12 ClO2 + 4 H2O + 27 NaCl + 6 Na2CO3
VO2{+} + H2 + H{+} + H2O = (V(H2O)6){2+} =>
2 VO2{+} + 3 H2 + 2 H{+} + 8 H2O = 2(V(H2O)6){2+}
KCIO3 = KCI + O =>
KCIO3 = KCI + 3 O
CuSO4 + Ca(NO3)2 = Cu(NO3)2 + CaSO4 =>
CuSO4 + Ca(NO3)2 = Cu(NO3)2 + CaSO4
[Cr(H2O)6]{3+} + H2 = [Cr(H2O)6]{2+} + H{+} =>
2[Cr(H2O)6]{3+} + H2 = 2[Cr(H2O)6]{2+} + 2 H{+}
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Na2CO3 + FeCl2 = NaCl + FeCO3 =>
Na2CO3 + FeCl2 = 2 NaCl + FeCO3
CoCl2(aq) + NaOH(aq) = Co(OH)2(s) + NaCl(aq) =>
CoCl2(aq) + 2 NaOH(aq) = Co(OH)2(s) + 2 NaCl(aq)
FeCl3 + Na(OH) = Fe(OH)3 + NaCl =>
FeCl3 + 3 Na(OH) = Fe(OH)3 + 3 NaCl
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
CoCl2(aq) + NaOH(aq) = Co(OH)2(aq) + NaCl(s) =>
CoCl2(aq) + 2 NaOH(aq) = Co(OH)2(aq) + 2 NaCl(s)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
KI + MnO2 + H2SO4 = I2 + MnSO4 + KHSO4 + H2O =>
2 KI + MnO2 + 3 H2SO4 = I2 + MnSO4 + 2 KHSO4 + 2 H2O
AgNO3(aq) + NH4Br(a) = AgBr(s) + NH4NO3(aq) =>
AgNO3(aq) + NH4Br(a) = AgBr(s) + NH4NO3(aq)
YFeO3 + Fe2O3 = Y3Fe5O12 =>
3 YFeO3 + Fe2O3 = Y3Fe5O12
(Cr(H2O)6){3+} + H2 = (Cr(H2O)6){2+} + H{+} =>
2(Cr(H2O)6){3+} + H2 = 2(Cr(H2O)6){2+} + 2 H{+}
FeCl3 + Na2(SO4) = Fe2(SO4)3 + NaCl =>
2 FeCl3 + 3 Na2(SO4) = Fe2(SO4)3 + 6 NaCl
CaCl2 + (NH4)3PO4 = Ca3(PO4)2 + NH4Cl =>
3 CaCl2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH4Cl
Y2O3 + Fe2O3 = Y3Fe5O12 =>
3 Y2O3 + 5 Fe2O3 = 2 Y3Fe5O12
Na2CO3 + NH4Br = CO2 + H2O + NaBr + NH3 =>
Na2CO3 + 2 NH4Br = CO2 + H2O + 2 NaBr + 2 NH3
Fe{2+} + H{+} + MnO4{-} = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + 8 H{+} + MnO4{-} = 5 Fe{3+} + Mn{2+} + 4 H2O
FeCl3 + NaI = FeI3 + NaCl =>
FeCl3 + 3 NaI = FeI3 + 3 NaCl
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
MnO4{-} + Mn{2+} + H{+} + H2O = (Mn(H2O)6){3+} =>
MnO4{-} + 4 Mn{2+} + 8 H{+} + 26 H2O = 5(Mn(H2O)6){3+}
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Xe + F2 = XeF6 =>
Xe + 3 F2 = XeF6
FeCl3 + Pb(NO3)2 = Fe(NO3)3 + PbCl2 =>
2 FeCl3 + 3 Pb(NO3)2 = 2 Fe(NO3)3 + 3 PbCl2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
YFeO3 + Fe3O4 + O2 = Y3Fe5O12 =>
18 YFeO3 + 4 Fe3O4 + O2 = 6 Y3Fe5O12
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
(Mn(H2O)6){3+} = MnO(OH)2 + Mn{2+} + H{+} + H2O =>
2(Mn(H2O)6){3+} = MnO(OH)2 + Mn{2+} + 4 H{+} + 9 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
MnO4{-} + Mn{2+} + H{+} + H2O = [Mn(H2O)6]{3+} =>
MnO4{-} + 4 Mn{2+} + 8 H{+} + 26 H2O = 5[Mn(H2O)6]{3+}
KMnO4 + H2O = MnO2 + O2 + KOH =>
4 KMnO4 + 2 H2O = 4 MnO2 + 3 O2 + 4 KOH
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