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4 Ni + 4 H2SO4 = NiS + 3 NiSO4 + 4 H2O
AlCl3 + AgSO4 = Al(SO4)3 + AgCl =>
AlCl3 + 3 AgSO4 = Al(SO4)3 + 3 AgCl
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
Al(NH3) + HNO3 = Al(NO3)3 + NO + H2O =>
3 Al(NH3) + 17 HNO3 = 3 Al(NO3)3 + 11 NO + 13 H2O
Li2SO4 + SrCl2 = LiCl + SrSO4 =>
Li2SO4 + SrCl2 = 2 LiCl + SrSO4
NH4 + NO3 = N2O + H2O =>
NH4 + NO3 = N2O + 2 H2O
NH4ClO3 + Cu(OH)2 = NH4OH + Cu(ClO3)2 =>
2 NH4ClO3 + Cu(OH)2 = 2 NH4OH + Cu(ClO3)2
Cr(ClO4)3 + K2CO3 = KClO4 + Cr2(CO3)3 =>
2 Cr(ClO4)3 + 3 K2CO3 = 6 KClO4 + Cr2(CO3)3
RbF + CuS = RbS + CuF =>
RbF + CuS = RbS + CuF
AsCl3 + MgSO4 = MgCl2 + As2(SO4)3 =>
2 AsCl3 + 3 MgSO4 = 3 MgCl2 + As2(SO4)3
NCo3 + NaCl = NaCo3 + NCl =>
NCo3 + NaCl = NaCo3 + NCl
NaClO + HCl = NaOH + Cl =>
NaClO + HCl = NaOH + 2 Cl
NH4ClO4 + K2SO3 = K2SO4 + N2 + HCl + H2O =>
2 NH4ClO4 + 5 K2SO3 = 5 K2SO4 + N2 + 2 HCl + 3 H2O
Na2S2O3 + Br + NaOH = NaBr + Na2SO4 + H2O =>
Na2S2O3 + 8 Br + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
Sb2S5 + HNO3 + H2O = H3SbO4 + H2SO4 + NO =>
3 Sb2S5 + 40 HNO3 + 4 H2O = 6 H3SbO4 + 15 H2SO4 + 40 NO
NO2{-} + OH{-} + Fe{3+} = NO3{-} + Fe{2+} + H2O =>
NO2{-} + 2 OH{-} + 2 Fe{3+} = NO3{-} + 2 Fe{2+} + H2O
Fe + NaNO2 + H2O = Fe3O4 + NO + NaOH =>
3 Fe + 8 NaNO2 + 4 H2O = Fe3O4 + 8 NO + 8 NaOH
Na2S2O3 + Br + NaOH = NaBr + Na2SO4 + H2O =>
Na2S2O3 + 8 Br + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
CHCH + [Ag(NH3)2]OH = AgCCAg + NH3 + H2O =>
CHCH + 2[Ag(NH3)2]OH = AgCCAg + 4 NH3 + 2 H2O
C3H8(g) + O2(aq) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(aq) = 3 CO2(g) + 4 H2O(g)
FeCl2 + HMnO4 + HCl = FeCl3 + MnCl2 + H2O =>
5 FeCl2 + HMnO4 + 7 HCl = 5 FeCl3 + MnCl2 + 4 H2O
Na2[Pb(S2O3)2] = PbS + Na2SO4 + SO2 + S =>
Na2[Pb(S2O3)2] = PbS + Na2SO4 + SO2 + S
Na3 + Br = Na3Br =>
Na3 + Br = Na3Br
CH3CHOHCH3 + K2CrO7 + H2SO4 = CH3COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3CHOHCH3 + 2 K2CrO7 + 5 H2SO4 = 9 CH3COCH3 + Cr2(SO4)3 + 2 K2SO4 + 14 H2O
Ca(OH)2(aq) + HNO3(aq) = Ca(NO3)2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HNO3(aq) = Ca(NO3)2(aq) + 2 H2O(l)
Mg + H2SO3 = MgSO3 + H2 =>
Mg + H2SO3 = MgSO3 + H2
K3PO4 + Na2SO4 = Na3PO4 + K2SO4 =>
2 K3PO4 + 3 Na2SO4 = 2 Na3PO4 + 3 K2SO4
C2H4(g) + H2O2(l) = CH2OHCH2OH(g) =>
C2H4(g) + H2O2(l) = CH2OHCH2OH(g)
NaCI + F = NaF + CI =>
NaCI + F = NaF + CI
FeO2 + H = Fe + H2O =>
FeO2 + 4 H = Fe + 2 H2O
Cl(g) + KBr = Br(l) + KCl(aq) =>
Cl(g) + KBr = Br(l) + KCl(aq)
MnCl4 = Mn + Cl =>
MnCl4 = Mn + 4 Cl
K3Fe(CN)6(aq) + ZnNO3(aq) = ZnFe(CN)6(s) + K3(NO3)(aq) =>
K3Fe(CN)6(aq) + ZnNO3(aq) = ZnFe(CN)6(s) + K3(NO3)(aq)
K2V4O11 + Zn + HCl = VCl2 + ZnCl2 + KCl + H2O =>
K2V4O11 + 6 Zn + 22 HCl = 4 VCl2 + 6 ZnCl2 + 2 KCl + 11 H2O
NO2(g) + NH3(g) = N2(g) + H2O(g) =>
6 NO2(g) + 8 NH3(g) = 7 N2(g) + 12 H2O(g)
Na2CrO4(aq) + FeI3(aq) = NaI(aq) + Fe2(CrO4)3 =>
3 Na2CrO4(aq) + 2 FeI3(aq) = 6 NaI(aq) + Fe2(CrO4)3
AgS(s) + Al(s) = Al2S3(s) + Ag(s) =>
3 AgS(s) + 2 Al(s) = Al2S3(s) + 3 Ag(s)
Mg2C3 + H2O = Mg(OH)2 + C3H4 =>
Mg2C3 + 4 H2O = 2 Mg(OH)2 + C3H4
Co(No3)2 + CaS = Ca(No3)2 + CoS =>
Co(No3)2 + CaS = Ca(No3)2 + CoS
C2H4O + [Ag(NH3)2]OH = CH3COONH4 + NH3 + Ag + H2O =>
C2H4O + 2[Ag(NH3)2]OH = CH3COONH4 + 3 NH3 + 2 Ag + H2O
Na2O + SO2 = Na2SO3 =>
Na2O + SO2 = Na2SO3
NaCl + Pb(NO3)2 = Pb + Cl + NaNO3 =>
2 NaCl + Pb(NO3)2 = Pb + 2 Cl + 2 NaNO3
MgCO3(s) + HCl(aq) = CO2(g) + MgCl2(aq) + H2O =>
MgCO3(s) + 2 HCl(aq) = CO2(g) + MgCl2(aq) + H2O
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
CO2 + CH3OH = (CH3O)2CO + H2O =>
CO2 + 2 CH3OH = (CH3O)2CO + H2O
Al + KBr = K + AlBr3 =>
Al + 3 KBr = 3 K + AlBr3
Na2S2O8 + H2O = NaHSO4 + O2 =>
2 Na2S2O8 + 2 H2O = 4 NaHSO4 + O2
CoCl2(aq) + NH4OH = Co(OH)2 + NH4Cl =>
CoCl2(aq) + 2 NH4OH = Co(OH)2 + 2 NH4Cl
Fe2 + O2 = Fe3O2 =>
3 Fe2 + 2 O2 = 2 Fe3O2
Al + H2O(steam) = Al2O3 + H2 =>
2 Al + 3 H2O(steam) = Al2O3 + 3 H2
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