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2 Na2WO4 + Zn + 6 HCl = W2O5 + ZnCl2 + 3 H2O + 4 NaCl
SiH4 = Si2 + H =>
2 SiH4 = Si2 + 8 H
Cu + CI2 = CuCI2 =>
Cu + CI2 = CuCI2
TiOCl2 + NH4OH = TiO(OH)2 + NH4Cl =>
TiOCl2 + 2 NH4OH = TiO(OH)2 + 2 NH4Cl
KMnO4 + OH = MnO4 + H2O + KO2 =>
KMnO4 + 4 OH = MnO4 + 2 H2O + KO2
C6H6 + KMnO4 + KOH = K2CO3 + MnO + H2O =>
C6H6 + 6 KMnO4 + 6 KOH = 6 K2CO3 + 6 MnO + 6 H2O
AgNO3(aq) + ZnI2(aq) = AgI + Zn(NO3)2 =>
2 AgNO3(aq) + ZnI2(aq) = 2 AgI + Zn(NO3)2
KMnO4 + H2SO3 + H2O = MnO2 + KOH + H2SO4 =>
2 KMnO4 + 3 H2SO3 + H2O = 2 MnO2 + 2 KOH + 3 H2SO4
FeCl3 + O2 = Fe3O2 + Cl2 =>
6 FeCl3 + 2 O2 = 2 Fe3O2 + 9 Cl2
Ga + Pb(NO3)2 = Ga(NO3) + Pb =>
2 Ga + Pb(NO3)2 = 2 Ga(NO3) + Pb
HCO3{-}(aq) + H2O(l) = H3O(aq) + CO3{-}(q) =>
HCO3{-}(aq) + H2O(l) = H3O(aq) + CO3{-}(q)
K + Cl26 = KCl =>
26 K + Cl26 = 26 KCl
CH3OH + KCrO7 + H2SO4 = HCOOH + Cr2(SO4) + K2SO4 + H2O =>
6 CH3OH + 2 KCrO7 + 2 H2SO4 = 6 HCOOH + Cr2(SO4) + K2SO4 + 8 H2O
AgNO3(aq) + Ca(OH)2(aq) = AgOH + Ca(NO3)2 =>
2 AgNO3(aq) + Ca(OH)2(aq) = 2 AgOH + Ca(NO3)2
BaCO3 + Li2SO4 = BaSO4 + Li2CO3 =>
BaCO3 + Li2SO4 = BaSO4 + Li2CO3
K3[Fe(CN)6] + KCl = K4[Fe(CN)6] + Cl2 =>
2 K3[Fe(CN)6] + 2 KCl = 2 K4[Fe(CN)6] + Cl2
FeOH + HS = FeS + H2O =>
FeOH + HS = FeS + H2O
CH3COOCH2CH2CH3 + NaOH = CH3COOCH2Na + CH2CH3OH =>
CH3COOCH2CH2CH3 + NaOH = CH3COOCH2Na + CH2CH3OH
Mg{2+} + Br{-} = MgBr2 =>
Mg{2+} + 2 Br{-} = MgBr2
ZnCl2 + AgNO3 = AgCl + Zn(NO3)2 =>
ZnCl2 + 2 AgNO3 = 2 AgCl + Zn(NO3)2
NH3 + Si = NSi + H2 =>
2 NH3 + 2 Si = 2 NSi + 3 H2
Cu(s) + Ni(C2H3O)2(aq) = Ni(s) + Cu(C2H3O)(aq) =>
2 Cu(s) + Ni(C2H3O)2(aq) = Ni(s) + 2 Cu(C2H3O)(aq)
MnSO4(aq) + Na3PO4(aq) = Mn3PO4(aq) + NaSO4(aq) =>
3 MnSO4(aq) + Na3PO4(aq) = Mn3PO4(aq) + 3 NaSO4(aq)
HNO3 + Ag(NH3)2 + HCl = AgCl + NH3 + H2O =>
HNO3 + 8 Ag(NH3)2 + 8 HCl = 8 AgCl + 17 NH3 + 3 H2O
Co + HCl + HNO3 = CoCl2 + NO + H2O =>
3 Co + 6 HCl + 2 HNO3 = 3 CoCl2 + 2 NO + 4 H2O
N2O3 + SO2 + H2O = H2SO4 + N2O =>
N2O3 + 2 SO2 + 2 H2O = 2 H2SO4 + N2O
C7H5N3O6 + Fe2O3 = Fe + CO + H2O + N2 =>
6 C7H5N3O6 + 7 Fe2O3 = 14 Fe + 42 CO + 15 H2O + 9 N2
KMnO4 + NaCl + H2SO4 = Cl2 + K2SO4 + MnCl2 + H2O + Na2SO4 =>
2 KMnO4 + 14 NaCl + 8 H2SO4 = 5 Cl2 + K2SO4 + 2 MnCl2 + 8 H2O + 7 Na2SO4
Fe3O4 + Al = Fe2 + Al2O3 =>
6 Fe3O4 + 16 Al = 9 Fe2 + 8 Al2O3
PCl5 + KOH = K2HPO4 + KCl + H2O =>
PCl5 + 7 KOH = K2HPO4 + 5 KCl + 3 H2O
[Cu(OH)]2(SO4) + (NH4)2(SO4) + NH4(OH) = [Cu(NH3)4]SO4 + H2O =>
[Cu(OH)]2(SO4) + (NH4)2(SO4) + 6 NH4(OH) = 2[Cu(NH3)4]SO4 + 8 H2O
Cu3(PO4)2 + NaOH = Cu(OH)2 + Na3PO4 =>
Cu3(PO4)2 + 6 NaOH = 3 Cu(OH)2 + 2 Na3PO4
Cu + HNO3(diluido) = CuNO3 + H2 =>
2 Cu + 2 HNO3(diluido) = 2 CuNO3 + H2
KMnO4 + H2SO3 + H2O = MnO2 + KOH + H2SO4 =>
2 KMnO4 + 3 H2SO3 + H2O = 2 MnO2 + 2 KOH + 3 H2SO4
La + O = LaO =>
La + O = LaO
Al(OH)3 + NO2 = Al(NO3)3 + H2 =>
2 Al(OH)3 + 6 NO2 = 2 Al(NO3)3 + 3 H2
Fe2O3 + CHO = Fe3O4 + CO2 + H2O =>
9 Fe2O3 + 2 CHO = 6 Fe3O4 + 2 CO2 + H2O
CsOH + NO2 = CsNO2 + CsNO3 + H2O =>
2 CsOH + 2 NO2 = CsNO2 + CsNO3 + H2O
Cu2 + HO = CuO + H2 =>
Cu2 + 2 HO = 2 CuO + H2
KMnO4 + H2SO3 + H2O = MnO2 + KOH + H2SO4 =>
2 KMnO4 + 3 H2SO3 + H2O = 2 MnO2 + 2 KOH + 3 H2SO4
Hg2(NO3)2 + CaI2 = HgI + Ca(NO3)2 =>
Hg2(NO3)2 + CaI2 = 2 HgI + Ca(NO3)2
CH3COOCH2CH3 + H2O = C2H5OH + CH3COOH =>
CH3COOCH2CH3 + H2O = C2H5OH + CH3COOH
LiOH + HgCl2 = LiCl + Hg(OH)2 =>
2 LiOH + HgCl2 = 2 LiCl + Hg(OH)2
CuSO4(aq) + NH3(aq) = Cu(NH3)4{2+SO4{2-}(aq)+}(aq) =>
CuSO4(aq) + 4 NH3(aq) = Cu(NH3)4{2+SO4{2-}(aq)+}(aq)
HO2CCO2H + NaOH = Na + O2CCO2 + H2O =>
HO2CCO2H + 2 NaOH = 2 Na + O2CCO2 + 2 H2O
AgNO3(aq) + K3PO4(aq) = Ag3PO4(s) + KNO3(aq) =>
3 AgNO3(aq) + K3PO4(aq) = Ag3PO4(s) + 3 KNO3(aq)
FeSO4(aq) + Na2CO3(aq) = FeCO3(aq) + Na2SO4(aq) =>
FeSO4(aq) + Na2CO3(aq) = FeCO3(aq) + Na2SO4(aq)
CO + Ca = CaC2 + CaO =>
2 CO + 3 Ca = CaC2 + 2 CaO
Sn2(CO3)4 = Sn + CO3 =>
Sn2(CO3)4 = 2 Sn + 4 CO3
Pb(NO3)2 + KOH + Cl2 = PbO2 + KCl + KNO3 + H2O =>
Pb(NO3)2 + 4 KOH + Cl2 = PbO2 + 2 KCl + 2 KNO3 + 2 H2O
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