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FeO4{2-} + 8 H{+} + 3e = Fe{3+} + 4 H2O
SeO2 + O2 = SeO3 =>
2 SeO2 + O2 = 2 SeO3
MgCO3 + CH3COOH = Mg + CO3(CH3COOH) =>
MgCO3 + CH3COOH = Mg + CO3(CH3COOH)
Cu2SiO4 + Al(IO4)3 = Al4(SiO4)3 + Cu(IO4)2 =>
3 Cu2SiO4 + 4 Al(IO4)3 = Al4(SiO4)3 + 6 Cu(IO4)2
SiH4 + KOH + H2O = K2SiO3 + H2 =>
SiH4 + 2 KOH + H2O = K2SiO3 + 4 H2
Pb(NO3)2(aq) + FeCl2(aq) = Fe(NO3)2(aq) + PbCl2(s) =>
Pb(NO3)2(aq) + FeCl2(aq) = Fe(NO3)2(aq) + PbCl2(s)
HCOOH + C2H5OH = HCOOHC2H5 + H2O =>
6 HCOOH + 9 C2H5OH = 8 HCOOHC2H5 + 5 H2O
[Cu(NH3)4](OH)2 + Na2S + H2O = CuS + NaOH + NH4OH =>
[Cu(NH3)4](OH)2 + Na2S + 4 H2O = CuS + 2 NaOH + 4 NH4OH
FeCl3 + Mg(SO4) = Fe2(SO4)3 + MgCl2 =>
2 FeCl3 + 3 Mg(SO4) = Fe2(SO4)3 + 3 MgCl2
AgI + K2S2O3 = Ag2S2O3 + KI =>
2 AgI + K2S2O3 = Ag2S2O3 + 2 KI
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
FeF2 + NaOH = Fe(OH)2 + NaF =>
FeF2 + 2 NaOH = Fe(OH)2 + 2 NaF
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
K + Zn = K2Zn =>
2 K + Zn = K2Zn
K + HNO3 = N2O + KNO3 + H2O =>
8 K + 10 HNO3 = N2O + 8 KNO3 + 5 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
FeCl3 + K3[Fe(CN)6] + SnCl2 = SnCl4 + K[FeFe(CN)6]2 + KCl =>
4 FeCl3 + 4 K3[Fe(CN)6] + SnCl2 = SnCl4 + 2 K[FeFe(CN)6]2 + 10 KCl
CuCl2 + AgNO3 = Cu(NO3)AgCl2 =>
CuCl2 + AgNO3 = Cu(NO3)AgCl2
CoOC = COCo =>
CoOC = COCo
Na2SO3 + H2SO4 = H2O + Na2SO4 + SO2 =>
Na2SO3 + H2SO4 = H2O + Na2SO4 + SO2
(VO2)2SO4 + NaOH = H2SO4 + NaVO3 =>
(VO2)2SO4 + 2 NaOH = H2SO4 + 2 NaVO3
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
PbSO3 + Na3PO4 = Pb3(PO4)2 + Na2SO3 =>
3 PbSO3 + 2 Na3PO4 = Pb3(PO4)2 + 3 Na2SO3
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HNO3 = NO2 + O2 + H2O = HNO3 =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
Na2SO3 + H2SO4 = H2O + Na2SO4 + SO2 =>
Na2SO3 + H2SO4 = H2O + Na2SO4 + SO2
Cu3(CO3)2(OH)2 + HCl = CuCl2 + H2O + CO2 =>
Cu3(CO3)2(OH)2 + 6 HCl = 3 CuCl2 + 4 H2O + 2 CO2
Sr + Al(OH)3 = Sr(OH)2 + Al =>
3 Sr + 2 Al(OH)3 = 3 Sr(OH)2 + 2 Al
MgCl2 + KOH = Mg(OH)2 + KCl =>
MgCl2 + 2 KOH = Mg(OH)2 + 2 KCl
P4 + S8 = P2S5 =>
4 P4 + 5 S8 = 8 P2S5
P4O16 + H2 = H3PO4 =>
P4O16 + 6 H2 = 4 H3PO4
Na2SO3 + HCl = SO2 + H2O + NaCl =>
Na2SO3 + 2 HCl = SO2 + H2O + 2 NaCl
ZnCO3(s) + HCl(aq) = CO2(g) + H2O(l) + ZnCl2(aq) =>
ZnCO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + ZnCl2(aq)
MgCl2 + KOH = Mg(OH)2 + KCl =>
MgCl2 + 2 KOH = Mg(OH)2 + 2 KCl
Hg{2+} + SCN{-} = Hg(SCN)2 =>
Hg{2+} + 2 SCN{-} = Hg(SCN)2
(CH3)(CHOH)COOH + NaOH = (CH3)(CHOH)(COO)Na + H2O =>
(CH3)(CHOH)COOH + NaOH = (CH3)(CHOH)(COO)Na + H2O
NaOH + Br2 = NaBrO3 + NaBr + H2O =>
6 NaOH + 3 Br2 = NaBrO3 + 5 NaBr + 3 H2O
K2Cr2O7 + H2SO4 + CH3CH2OH = CrSO4 + H2O + CH3COOH + K2SO4 =>
K2Cr2O7 + 3 H2SO4 + 2 CH3CH2OH = 2 CrSO4 + 5 H2O + 2 CH3COOH + K2SO4
Zn(NO3)2 + NH3 + H2O = Zn(OH)2 + NH4NO3 =>
Zn(NO3)2 + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4NO3
Na + C + O2 = Na2CO3 =>
4 Na + 2 C + 3 O2 = 2 Na2CO3
Zn(s) + HBr = ZnBr2 + H2(s) =>
Zn(s) + 2 HBr = ZnBr2 + H2(s)
S + Cl2 = S6Cl2 =>
6 S + Cl2 = S6Cl2
SO2 + HOCl = SO4 + HCl =>
SO2 + 2 HOCl = SO4 + 2 HCl
Pb(aq) + CO3(aq) = PbCO3(s) =>
Pb(aq) + CO3(aq) = PbCO3(s)
P4 + S8 = P4S10 =>
4 P4 + 5 S8 = 4 P4S10
HI(ac) + K2SO3(s) = H2SO3 + KI =>
2 HI(ac) + K2SO3(s) = H2SO3 + 2 KI
RbCI + O2 = RbCIO4 =>
RbCI + 2 O2 = RbCIO4
K[CuI2] + HCl + O2 = CuCl2 + H2O + KI + I2 =>
2 K[CuI2] + 4 HCl + O2 = 2 CuCl2 + 2 H2O + 2 KI + I2
Al(OH)3 + CO2 = Al(HCO3)3 =>
Al(OH)3 + 3 CO2 = Al(HCO3)3
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