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3 FeS2 + 8 O2 = Fe3O4 + 6 SO2
Br2 + H2O = HBr + HBrO3 =>
3 Br2 + 3 H2O = 5 HBr + HBrO3
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
NaCl{-} + Br2 = NaBr{-} + Cl2 =>
2 NaCl{-} + Br2 = 2 NaBr{-} + Cl2
Al + V2O5 = V + Al2O3 =>
10 Al + 3 V2O5 = 6 V + 5 Al2O3
Hg(OH)2 + H2SO4 = Hg(SO4) + H2O =>
Hg(OH)2 + H2SO4 = Hg(SO4) + 2 H2O
KOH + H3PO2 + Cl2 = K3PO4 + HCl + H2O =>
3 KOH + H3PO2 + 2 Cl2 = K3PO4 + 4 HCl + H2O
C3H8O + O2 = C3H6O + H2O =>
2 C3H8O + O2 = 2 C3H6O + 2 H2O
C2 + H2O = CO + H2 =>
C2 + 2 H2O = 2 CO + 2 H2
AgCl + NaOH = Ag2O + NaCl + H2O =>
2 AgCl + 2 NaOH = Ag2O + 2 NaCl + H2O
C6H8O7 + Na2CO3 = Na3C6H6O7 + H2O + CO2 =>
19 C6H8O7 + 27 Na2CO3 = 18 Na3C6H6O7 + 22 H2O + 33 CO2
Cr2O3 + Zn = ZnO + Cr3 =>
3 Cr2O3 + 9 Zn = 9 ZnO + 2 Cr3
CaCO3 + C6H5COOH = C6H5COOCa + CO2 + H2O =>
30 CaCO3 + 31 C6H5COOH = 30 C6H5COOCa + 37 CO2 + 18 H2O
NH3 + HNO3 = NH4 + NO =>
9 NH3 + HNO3 = 7 NH4 + 3 NO
C + O2 = CO7 =>
2 C + 7 O2 = 2 CO7
SiC + NaOH + O2 = Na2SiO3 + Na2CO3 + H2O =>
SiC + 4 NaOH + 2 O2 = Na2SiO3 + Na2CO3 + 2 H2O
Fe(OH)3 + H2CO3 = Fe(HCO3)3 + H2O =>
Fe(OH)3 + 3 H2CO3 = Fe(HCO3)3 + 3 H2O
KCl + Mg(NO3)2 = KNO3 + MgCl2 =>
2 KCl + Mg(NO3)2 = 2 KNO3 + MgCl2
KHC8H4O4 + KOH = K2C8H4O4 + H2O =>
KHC8H4O4 + KOH = K2C8H4O4 + H2O
ZnO + KOH + H2O = K2[Zn(OH)4] =>
ZnO + 2 KOH + H2O = K2[Zn(OH)4]
As2S3 + HClO4 + H2O = H3AsO4 + S + HCl =>
4 As2S3 + 5 HClO4 + 12 H2O = 8 H3AsO4 + 12 S + 5 HCl
Sn{4+} + Ni = Ni{2+} + Sn{2+} =>
Sn{4+} + Ni = Ni{2+} + Sn{2+}
K + F2 = KF =>
2 K + F2 = 2 KF
NH3 + NH4NO3 = NH3NH4 + NO3 =>
NH3 + NH4NO3 = NH3NH4 + NO3
As2S3 + HClO4 + H2O = H3AsO4 + S + HCl =>
4 As2S3 + 5 HClO4 + 12 H2O = 8 H3AsO4 + 12 S + 5 HCl
NH4OH = NH3 + H2O =>
NH4OH = NH3 + H2O
NH4OH + NaBr = NH4Br + NaOH =>
NH4OH + NaBr = NH4Br + NaOH
Al(OH)2F + Ba(OH)2 = Ba(OH)2F + Al(OH)2 =>
Al(OH)2F + Ba(OH)2 = Ba(OH)2F + Al(OH)2
Cu2O + CH4 = H2O + Cu + CO2 =>
4 Cu2O + CH4 = 2 H2O + 8 Cu + CO2
Bi + H2O = Bi2O3 + H2 =>
2 Bi + 3 H2O = Bi2O3 + 3 H2
HCI(aq) + NaOH(aq) = NaCI + H2O =>
HCI(aq) + NaOH(aq) = NaCI + H2O
Zn + N2 = Zn3N2 =>
3 Zn + N2 = Zn3N2
Ag(NH3)Cl + HNO3 = AgCl + NH4NO3 =>
Ag(NH3)Cl + HNO3 = AgCl + NH4NO3
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
KCO3 + NaCrO4 = KCrO4 + NaCO3 =>
KCO3 + NaCrO4 = KCrO4 + NaCO3
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Ba(C2H3O2)2 + (NH4)3PO4 = Ba3(PO4)2 + NH4C2H3O2 =>
3 Ba(C2H3O2)2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6 NH4C2H3O2
AgNO3 + ZnCI2 = AgCI2 + NO3Zn =>
AgNO3 + ZnCI2 = AgCI2 + NO3Zn
NH3 + P = NH3P =>
NH3 + P = NH3P
Ca{2+} + C2O4{2-} = CaC2O4 =>
Ca{2+} + C2O4{2-} = CaC2O4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cl2 + P2O3 + H2O = H3PO4 + HCl =>
2 Cl2 + P2O3 + 5 H2O = 2 H3PO4 + 4 HCl
Cd(NO3)2 + (NH4)2S = CdS + NH4NO3 =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NH4NO3
Zn + Cu(NO3)2 = Zn(NO3) + Cu2 =>
4 Zn + 2 Cu(NO3)2 = 4 Zn(NO3) + Cu2
C9H6O4 + O2 = CO2 + H2O =>
2 C9H6O4 + 17 O2 = 18 CO2 + 6 H2O
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
KOH + KH2Po4 = K2HPo4 + H2O =>
KOH + KH2Po4 = K2HPo4 + H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
NH4ClO4 + KOH = KClO4 + NH4OH =>
NH4ClO4 + KOH = KClO4 + NH4OH
NaFeO2 + HNO3 = Fe(NO3)3 + NaNO3 + H2O =>
NaFeO2 + 4 HNO3 = Fe(NO3)3 + NaNO3 + 2 H2O
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