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3 Fe + 4 H2O = Fe3O4 + 4 H2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Al + HCl = HAl + Cl =>
Al + HCl = HAl + Cl
C4H8O2 + NaOH = H2O + C4H7NaO2 =>
C4H8O2 + NaOH = H2O + C4H7NaO2
HCl(aq) + K2SO4(aq) = H2SO4(aq) + KCl(aq) =>
2 HCl(aq) + K2SO4(aq) = H2SO4(aq) + 2 KCl(aq)
HBr + Mg = Mg2Br + H2 =>
2 HBr + 4 Mg = 2 Mg2Br + H2
MnO4{-}{+} + H{+} + CH3CH2OH = Mn{2+} + H2O + CH3COOH =>
4 MnO4{-}{+} + 12 H{+} + 5 CH3CH2OH = 4 Mn{2+} + 11 H2O + 5 CH3COOH
H2SO4 + Cr = HCr + SO4 =>
H2SO4 + 2 Cr = 2 HCr + SO4
Zn + NiO2 + H{+} = Zn2{+} + Ni2{+} + H2O =>
14 Zn + 2 NiO2 + 8 H{+} = 7 Zn2{+} + Ni2{+} + 4 H2O
CuS + HNO3 = Cu(NO3) + H2SO4 + NO2 + H2O =>
CuS + 8 HNO3 = Cu(NO3) + H2SO4 + 7 NO2 + 3 H2O
C2HAg + CH3Cl = C3H4 + AgCl =>
C2HAg + CH3Cl = C3H4 + AgCl
HCl + Zn(C2H3O2)2 = ZnCl2 + C2H4O2 =>
2 HCl + Zn(C2H3O2)2 = ZnCl2 + 2 C2H4O2
F2(g) + LiI(aq) = LiF + I2 =>
F2(g) + 2 LiI(aq) = 2 LiF + I2
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl =>
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl
Co(OH)3 + HMnO4 = Co(MnO4)3 + H2O =>
Co(OH)3 + 3 HMnO4 = Co(MnO4)3 + 3 H2O
Ag2S + CuCl2 = Ag2Cl + CuS2 =>
2 Ag2S + CuCl2 = 2 Ag2Cl + CuS2
CH3CH2BrAgNO3 = CH3CH2NO3AgBr =>
CH3CH2BrAgNO3 = CH3CH2NO3AgBr
C1H4O1 + O2 = C1O2 + H2O1 =>
2 C1H4O1 + 3 O2 = 2 C1O2 + 4 H2O1
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NH4Cl
Cu + HCl + HNO3 = HCuCl2 + NO + H2O =>
3 Cu + 6 HCl + HNO3 = 3 HCuCl2 + NO + 2 H2O
T2 + G2 = T2G =>
2 T2 + G2 = 2 T2G
FeNO33 + LiOH = FeOH + LiNO33 =>
FeNO33 + LiOH = FeOH + LiNO33
BaCl2(aq) + NaIO3(aq) = Ba(IO3)2 + NaCl =>
BaCl2(aq) + 2 NaIO3(aq) = Ba(IO3)2 + 2 NaCl
PbO(s) + O2 = PbO2(s) =>
2 PbO(s) + O2 = 2 PbO2(s)
C4H8O2 + NaOH = H2O + C4H7NaO2 =>
C4H8O2 + NaOH = H2O + C4H7NaO2
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl =>
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl
As2O3 + H2SO4 = H2O + As2(SO4)3 =>
As2O3 + 3 H2SO4 = 3 H2O + As2(SO4)3
Fe2(SO4)3 + Ca(NO2)2 = Fe(NO2)3 + CaSO4 =>
Fe2(SO4)3 + 3 Ca(NO2)2 = 2 Fe(NO2)3 + 3 CaSO4
(NH4)2SO4 + Pb(C2H3O2)2 = NH4C2H3O2 + PbSO4 =>
(NH4)2SO4 + Pb(C2H3O2)2 = 2 NH4C2H3O2 + PbSO4
P4 + HO{-} + H2O = H2PO2{-} + H2 =>
P4 + 4 HO{-} + 4 H2O = 4 H2PO2{-} + 2 H2
Hg2(NO3)2 + LiI = Hg2I2 + LiNO3 =>
Hg2(NO3)2 + 2 LiI = Hg2I2 + 2 LiNO3
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl =>
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl
Ag2(NO3) + Cu = CuNO3 + Ag =>
Ag2(NO3) + Cu = CuNO3 + 2 Ag
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl =>
K(Cl) + Pb(NO3)2 = K(NO3)2 + PbCl
Co + N2 = Co3N =>
6 Co + N2 = 2 Co3N
NaClO4 + HCl = NaCl + HClO4 =>
NaClO4 + HCl = NaCl + HClO4
MgCl2 + K2CO3 = MgCO3 + KCl =>
MgCl2 + K2CO3 = MgCO3 + 2 KCl
C2HCl3 + H{+} + e = C2H4 + HCl =>
C2HCl3 + 6 H{+} + 6e = C2H4 + 3 HCl
K2ZnO2 + H2S = K2S + H2ZnO2 =>
K2ZnO2 + H2S = K2S + H2ZnO2
HCOOH + Na2S = H2S + COOHNa =>
2 HCOOH + Na2S = H2S + 2 COOHNa
SO2 + Na2CO3 + O2 = Na2SO4 + CO2 =>
2 SO2 + 2 Na2CO3 + O2 = 2 Na2SO4 + 2 CO2
FeCl3 + (NH4)2CO3 + H2O = Fe(OH)3 + CO2 + NH4Cl =>
2 FeCl3 + 3(NH4)2CO3 + 3 H2O = 2 Fe(OH)3 + 3 CO2 + 6 NH4Cl
MgCl2 + H2O + SO2 = HCl + MgSO3 =>
MgCl2 + H2O + SO2 = 2 HCl + MgSO3
N2O3Ba(OH)2 = BaN2O4H2O =>
N2O3Ba(OH)2 = BaN2O4H2O
HIO + H2O = IO{-} + H3O{+} =>
HIO + H2O = IO{-} + H3O{+}
C2H5Cl3 + O2 = CO2 + HCl + H2O =>
2 C2H5Cl3 + 5 O2 = 4 CO2 + 6 HCl + 2 H2O
CaO + H3PO4 = Ca3[PO4]2 + H2O =>
3 CaO + 2 H3PO4 = Ca3[PO4]2 + 3 H2O
B2O3 + Fe = Fe3O4 + B =>
4 B2O3 + 9 Fe = 3 Fe3O4 + 8 B
H2SiF6 + NaOH = NaF + SiO4H4 + H2O =>
H2SiF6 + 6 NaOH = 6 NaF + SiO4H4 + 2 H2O
Cl3 + NH4 = (NH4)Cl =>
Cl3 + 3 NH4 = 3(NH4)Cl
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