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2 Fe + 3 Zn(OH)2 = 2 Fe(OH)3 + 3 Zn
(CH3COO)2Ca + H2CO3 = CH3COOH + CaCO3 =>
(CH3COO)2Ca + H2CO3 = 2 CH3COOH + CaCO3
K2Cr2O7 + H3SbO3 + HCl = H3SbO4 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 3 H3SbO3 + 8 HCl = 3 H3SbO4 + 2 CrCl3 + 2 KCl + 4 H2O
KOH + Al(OH)3 = K3(Al(OH)6) =>
3 KOH + Al(OH)3 = K3(Al(OH)6)
CaO + NaCN = Ca(CN)2 + Na2O =>
CaO + 2 NaCN = Ca(CN)2 + Na2O
Li2S + HNO3 = Li2NO3 + HS =>
Li2S + HNO3 = Li2NO3 + HS
HI + C6H5NH2 = C6H5NH2HI =>
HI + C6H5NH2 = C6H5NH2HI
Na + Zn(OH)2 + H2O = Na2[Zn(OH)4] + H2 =>
2 Na + Zn(OH)2 + 2 H2O = Na2[Zn(OH)4] + H2
FeSO4*7H20 + Ca(OH)2 + O2 = Fe(OH)3 + CaSO4 + H2O =>
4 FeSO4*7H20 + 4 Ca(OH)2 + 141 O2 = 4 Fe(OH)3 + 4 CaSO4 + 278 H2O
PbCl4 + O2 = Pb(ClO3)4 =>
PbCl4 + 6 O2 = Pb(ClO3)4
Na(s) + H2O(s) = NaOH + H2(g) =>
2 Na(s) + 2 H2O(s) = 2 NaOH + H2(g)
WO6 = W + O2 =>
WO6 = W + 3 O2
C + H2 = CH4 =>
C + 2 H2 = CH4
Bi2(SO4)3 + H2O = (BiO)2SO4H2O + H2SO4 =>
Bi2(SO4)3 + 3 H2O = (BiO)2SO4H2O + 2 H2SO4
Ca5(PO4)3F + HCl = CaCl2 + HF + H3PO4 =>
Ca5(PO4)3F + 10 HCl = 5 CaCl2 + HF + 3 H3PO4
SnS2(NH4)2S2 = (NH4)2SnS3S =>
SnS2(NH4)2S2 = (NH4)2SnS3S
NH3 + OH = NH2 + H2O =>
NH3 + OH = NH2 + H2O
ZnCO3 + CH3COOH = Zn(CH3COO)2 + CO2 + H2O =>
ZnCO3 + 2 CH3COOH = Zn(CH3COO)2 + CO2 + H2O
CH3CH2ClKOH = CH2CH2KClH2O =>
CH3CH2ClKOH = CH2CH2KClH2O
C2H5COONa + HCl = C2H5COOH + NaCl =>
C2H5COONa + HCl = C2H5COOH + NaCl
Zn(OH)2 + NH3*H2O = (NH4)2[Zn(OH)4] =>
Zn(OH)2 + 2 NH3*H2O = (NH4)2[Zn(OH)4]
H3BO3 + Ni = Ni3(BO3)2 + H2 =>
2 H3BO3 + 3 Ni = Ni3(BO3)2 + 3 H2
K4Fe(CN)6 + Bi2(Cr2O7)5 = K2Cr2O7 + Bi4[Fe(CN)6]5 =>
5 K4Fe(CN)6 + 2 Bi2(Cr2O7)5 = 10 K2Cr2O7 + Bi4[Fe(CN)6]5
AgBr + Fe(NO3)3 = Br(NO3)3 + AgFe =>
AgBr + Fe(NO3)3 = Br(NO3)3 + AgFe
FeS2 + H2SO4 + H2O = FeSO4 + H2S =>
4 FeS2 + 3 H2SO4 + 4 H2O = 4 FeSO4 + 7 H2S
H2O + MnO4{-} + ClO{-} = Mn{2+} + ClO4{-} + OH{-} =>
9 H2O + 6 MnO4{-} + 5 ClO{-} = 6 Mn{2+} + 5 ClO4{-} + 18 OH{-}
K4Fe = K + Fe =>
K4Fe = 4 K + Fe
Zn3(PO4)2 + K = Zn2 + K3PO4 =>
2 Zn3(PO4)2 + 12 K = 3 Zn2 + 4 K3PO4
MH2SO4 = MSO4 + H2 =>
MH2SO4 = MSO4 + H2
CuBr + NH3 = Cu(NH3)2 + Br =>
CuBr + 2 NH3 = Cu(NH3)2 + Br
UO2Cl2 + Na2S2O4 + HCl = UCl4 + NaCl + SO3 + H2O =>
3 UO2Cl2 + Na2S2O4 + 8 HCl = 3 UCl4 + 2 NaCl + 2 SO3 + 4 H2O
K2Cr2O7 + KCl + NaOH = K2CrO4 + NaCl + H2O =>
K2Cr2O7 + 2 KCl + 2 NaOH = 2 K2CrO4 + 2 NaCl + H2O
Na2S3 + HCl = NaCl + H2S + S =>
Na2S3 + 2 HCl = 2 NaCl + H2S + 2 S
Fe(OH)2 + H2 + Cl = H2O + FeCl2 =>
Fe(OH)2 + H2 + 2 Cl = 2 H2O + FeCl2
C10H18O + NaBH4 = C10H20O + NaB =>
2 C10H18O + NaBH4 = 2 C10H20O + NaB
Ba(OH)2 + Ag = Ag(OH)3 + Ba =>
3 Ba(OH)2 + 2 Ag = 2 Ag(OH)3 + 3 Ba
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
SiO2 + Cd = Si + CdO2 =>
SiO2 + Cd = Si + CdO2
H + BrO = Br + H2O =>
2 H + BrO = Br + H2O
K2WO4 + K2S + H2O = K2WS4 + KOH =>
K2WO4 + 4 K2S + 4 H2O = K2WS4 + 8 KOH
(CH3(CH2)6CH3) + (O2) = CO2 + H2O =>
2(CH3(CH2)6CH3) + 25(O2) = 16 CO2 + 18 H2O
Li + Ag2SO4 = Ag + Li2SO4 =>
2 Li + Ag2SO4 = 2 Ag + Li2SO4
PO4H3 + Ca(OH)2 = PO4HCa + H2O =>
PO4H3 + Ca(OH)2 = PO4HCa + 2 H2O
C2H5COOH = C2H5COO{-} + H{+} =>
C2H5COOH = C2H5COO{-} + H{+}
C15H28O + O2 = CO2 + H2O =>
2 C15H28O + 43 O2 = 30 CO2 + 28 H2O
C2H5COOHNaOH = NaC2H5COOH2O =>
C2H5COOHNaOH = NaC2H5COOH2O
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Fe(OH)3 + NaNO3 = Fe(NO3)3 + Na(OH) =>
Fe(OH)3 + 3 NaNO3 = Fe(NO3)3 + 3 Na(OH)
POCl3 = O + PCl3 =>
POCl3 = O + PCl3
K2CO3 + C6H8O6*10H2O = C6H7KO6 + CO2 + H2O =>
K2CO3 + 2 C6H8O6*10H2O = 2 C6H7KO6 + CO2 + 21 H2O
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