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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
H2O2 + PbS = PbSO4 + H2O =>
4 H2O2 + PbS = PbSO4 + 4 H2O
Na2SO4 + AgNO3 = Na2Ag + SO4NO3 =>
Na2SO4 + AgNO3 = Na2Ag + SO4NO3
Ar + HNO3 = NO + ArNO3 + H2O =>
3 Ar + 4 HNO3 = NO + 3 ArNO3 + 2 H2O
(HCOO)3Fe + H2O = HCOOH + (HCOO)Fe(OH)2 =>
(HCOO)3Fe + 2 H2O = 2 HCOOH + (HCOO)Fe(OH)2
AgNo3 + Na2(C2O4) = Na2No3 + Ag(C2O4) =>
AgNo3 + Na2(C2O4) = Na2No3 + Ag(C2O4)
Ag + HClO3 = Ag2ClO3 + H2 =>
4 Ag + 2 HClO3 = 2 Ag2ClO3 + H2
Pt + H2S = PtS2 + H2 =>
Pt + 2 H2S = PtS2 + 2 H2
ZnS + O2 = ZnO + SO3 =>
ZnS + 2 O2 = ZnO + SO3
AgCl + NaI = AgI + NaCl =>
AgCl + NaI = AgI + NaCl
C2H4Br2 + H2O = C2H3OH + HBr =>
C2H4Br2 + H2O = C2H3OH + 2 HBr
Ca + C2 + H2O = C2H2Ca(OH)2 =>
Ca + C2 + 2 H2O = C2H2Ca(OH)2
PO4{3-} + K{+} = K3PO4 =>
PO4{3-} + 3 K{+} = K3PO4
NaNO3 + SrCl2 = NaCl + Sr(NO3)2 =>
2 NaNO3 + SrCl2 = 2 NaCl + Sr(NO3)2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cu + HNO3 + H{+} = Cu{+2} + NO + H2O =>
3 Cu + 2 HNO3 + 6 H{+} = 3 Cu{+2} + 2 NO + 4 H2O
K2CrO4 + HCl = CrCl3 + Cl2 + H2O + KCl =>
2 K2CrO4 + 16 HCl = 2 CrCl3 + 3 Cl2 + 8 H2O + 4 KCl
C6H4(CO)2O + C6H5Et = C6H4(CO)2C6H3Et + H2O =>
C6H4(CO)2O + C6H5Et = C6H4(CO)2C6H3Et + H2O
KCl + K2S4O6 + KMnO4 + HCl = K2SO4 + MnCl2 + H2O =>
16 KCl + 5 K2S4O6 + 14 KMnO4 + 12 HCl = 20 K2SO4 + 14 MnCl2 + 6 H2O
NaF + Ca(NO3)2 = CaF2 + NaNO3 =>
2 NaF + Ca(NO3)2 = CaF2 + 2 NaNO3
MnO2K2SO3H2SO4 = MnSO4K2SO4H2O =>
MnO2K2SO3H2SO4 = MnSO4K2SO4H2O
FeS2 + H2O2 = SO4 + Fe + H2O =>
FeS2 + 8 H2O2 = 2 SO4 + Fe + 8 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
K2[Pb(OH)4] + H2SO4 = PbSO4 + K2SO4 + H2O =>
K2[Pb(OH)4] + 2 H2SO4 = PbSO4 + K2SO4 + 4 H2O
CaCl2 + H2SO4 = CaSO4 + HCl = =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
C13H8O + BH3CN{-} = C13H9O{-} + BH2CN =>
C13H8O + BH3CN{-} = C13H9O{-} + BH2CN
OBr + OCI = CIO2 + Br2 =>
2 OBr + 2 OCI = 2 CIO2 + Br2
H2O + Cu = H2 + CuO =>
H2O + Cu = H2 + CuO
C6H4(COOH)2 + CH3CHO = C6H4(COOCH2CH3)2 + H2O =>
3 C6H4(COOH)2 + 18 CH3CHO = 5 C6H4(COOCH2CH3)2 + 10 H2O
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
C9H6O4 + C2H5NO2 = CO2 + C2H2O + C18H12N2O4 =>
5 C9H6O4 + 2 C2H5NO2 = 3 CO2 + 14 C2H2O + C18H12N2O4
Fe + H3PO4 = Fe3(PO4)2 + H3 =>
3 Fe + 2 H3PO4 = Fe3(PO4)2 + 2 H3
RbOH + HBr = RbBr + HOH =>
RbOH + HBr = RbBr + HOH
C2H5COOHC2H5OH = C2H5COOC2H5H2O =>
C2H5COOHC2H5OH = C2H5COOC2H5H2O
KCl + O2 = K2O + Cl2 =>
4 KCl + O2 = 2 K2O + 2 Cl2
Ca2 = CaCa =>
Ca2 = CaCa
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
LiH + KCl = LiCl + KH =>
LiH + KCl = LiCl + KH
K2S + Fe(NO3)2 = KNO3 + FeS =>
K2S + Fe(NO3)2 = 2 KNO3 + FeS
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
FeH3O3 = Fe2O3 + H2O =>
2 FeH3O3 = Fe2O3 + 3 H2O
Ba + HNO3 = Ba(NO3)2 + N2O + H2O =>
4 Ba + 10 HNO3 = 4 Ba(NO3)2 + N2O + 5 H2O
KSO4 + NaCl = KCl + NaSO4 =>
KSO4 + NaCl = KCl + NaSO4
(CuOH2)CO3 = CuO + H2O + CO2 =>
(CuOH2)CO3 = CuO + H2O + CO2
KCl + O2 = K2O + Cl2 =>
4 KCl + O2 = 2 K2O + 2 Cl2
K{2}O + HNO{3} = KNO{3} + H{2}O =>
K{2}O + HNO{3} = KNO{3} + H{2}O
NH4Cl + Ca(NO3)2 = CaCl2 + H4N2O3 =>
2 NH4Cl + Ca(NO3)2 = CaCl2 + 2 H4N2O3
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