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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
I2 + KOH = KIO3 + KI + H2O =>
3 I2 + 6 KOH = KIO3 + 5 KI + 3 H2O
LiCl + HClO4 = LiClO4 + HCl =>
LiCl + HClO4 = LiClO4 + HCl
K2O + Na2O + SiO2 = K2Na2SiO4 =>
K2O + Na2O + SiO2 = K2Na2SiO4
H3O + NaOH = H2O + Na =>
H3O + NaOH = 2 H2O + Na
CdO + H2 = Cd + H2O =>
CdO + H2 = Cd + H2O
CuNH3 + HCl = CuNH4 + Cl =>
CuNH3 + HCl = CuNH4 + Cl
SB2S5 + HNO3 + H2O = H3SBO4 + H2SO4 + NO =>
3 SB2S5 + 34 HNO3 + 4 H2O = 6 H3SBO4 + 12 H2SO4 + 34 NO
S + Mg3 = SMg =>
3 S + Mg3 = 3 SMg
Zn + K3SbO4 + H2SO4 = Sb + ZnSO4 + K2SO4 + H2O =>
5 Zn + 2 K3SbO4 + 8 H2SO4 = 2 Sb + 5 ZnSO4 + 3 K2SO4 + 8 H2O
Al(s) + NaOH(aq) = Na3AlO3(aq) + H2(aq) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(aq) + 3 H2(aq)
Mn + FeS = MnS + Fe =>
Mn + FeS = MnS + Fe
Li + N3 = Li3N =>
9 Li + N3 = 3 Li3N
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
Pb(SO4) = Pb + SO4 =>
Pb(SO4) = Pb + SO4
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Fe + NH4SCN = Fe(SCN)3 + NH4 =>
Fe + 3 NH4SCN = Fe(SCN)3 + 3 NH4
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + O2 =>
4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 2 K2SO4 + 6 H2O + 5 O2
C7H8 + Br2 = C7H7Br + HBr =>
C7H8 + Br2 = C7H7Br + HBr
Mg(OH)2 + Al(OH)3 = Mg(AlO2)2 + H2O =>
Mg(OH)2 + 2 Al(OH)3 = Mg(AlO2)2 + 4 H2O
Al4C3 + HOH = CH4 + Al(OH)3 =>
Al4C3 + 12 HOH = 3 CH4 + 4 Al(OH)3
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
HBr + NiS = H2S + NiBr2 =>
2 HBr + NiS = H2S + NiBr2
Mg + CaOH2 = MgOH2 + Ca =>
Mg + CaOH2 = MgOH2 + Ca
Mg(C2H3O2)2 + AgNO3 = Mg(NO3)2 + Ag(C2H3O2) =>
Mg(C2H3O2)2 + 2 AgNO3 = Mg(NO3)2 + 2 Ag(C2H3O2)
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
C7H8 + Br2 = C7H7Br + HBr =>
C7H8 + Br2 = C7H7Br + HBr
C2H2 + KMnO4 + H2SO4 = C2H2O4 + MnSO4 + K2SO4 + H2O =>
5 C2H2 + 8 KMnO4 + 12 H2SO4 = 5 C2H2O4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
Cr2O7{-2} + H{+} + H2O2 = CrO(O2)2 + H2O =>
Cr2O7{-2} + 2 H{+} + 4 H2O2 = 2 CrO(O2)2 + 5 H2O
NH4HCO3 + KOH = NH3 + H2O + KHCO3 =>
NH4HCO3 + KOH = NH3 + H2O + KHCO3
C8H18O + O2 = C8H18O2 =>
2 C8H18O + O2 = 2 C8H18O2
SO4 + C2H5OH = S2 + H2O + CO2 =>
6 SO4 + 4 C2H5OH = 3 S2 + 12 H2O + 8 CO2
(Ni(NO3)2) + NaHCO3 = NiHCO3 + (Na(NO3)2) =>
(Ni(NO3)2) + NaHCO3 = NiHCO3 + (Na(NO3)2)
Na3PO4(aq) + CrCl3(aq) = CrPO4(aq) + NaCl(aq) =>
Na3PO4(aq) + CrCl3(aq) = CrPO4(aq) + 3 NaCl(aq)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
[Cu(NH3)4]SO4 + H2O2 = CuO + H2SO4 + NH3 + O2 =>
2[Cu(NH3)4]SO4 + 2 H2O2 = 2 CuO + 2 H2SO4 + 8 NH3 + O2
H2Cr2O7 + NaOH = Na2(Cr2O7) + H2O =>
H2Cr2O7 + 2 NaOH = Na2(Cr2O7) + 2 H2O
CH2OHCH2OH + Cu(OH)2 = CH2OCH2OCu + H2O =>
CH2OHCH2OH + Cu(OH)2 = CH2OCH2OCu + 2 H2O
C6H10O5 + H2 = CH4 + H2O =>
C6H10O5 + 12 H2 = 6 CH4 + 5 H2O
C8H10 + KMnO4 = C7H5O2K + MnO2 + KOH + H2O =>
7 C8H10 + 18 KMnO4 = 8 C7H5O2K + 18 MnO2 + 10 KOH + 10 H2O
HF + Cu2 = CuHF =>
2 HF + Cu2 = 2 CuHF
I1 + O2 = I2O3 =>
4 I1 + 3 O2 = 2 I2O3
Al + Fe2O3 = AlO2 + FeO =>
Al + 2 Fe2O3 = AlO2 + 4 FeO
MnO4{-} + C6H10O + H{+} = MnO2 + C6H8O + H2O =>
2 MnO4{-} + 3 C6H10O + 2 H{+} = 2 MnO2 + 3 C6H8O + 4 H2O
PbN2O6 + Na2CrO4 = NaNO3 + PbCrO4 =>
PbN2O6 + Na2CrO4 = 2 NaNO3 + PbCrO4
C2H6O + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CH3COOH + H2O =>
5 C2H6O + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 CH3COOH + 11 H2O
MoO3 + HCl = H3MoCl6 + H2O + O2 =>
4 MoO3 + 24 HCl = 4 H3MoCl6 + 6 H2O + 3 O2
C4H8 + KMnO4 + H2SO4 = C2H3OH + K2SO4 + H2O + MnSO4 =>
5 C4H8 + 4 KMnO4 + 6 H2SO4 = 10 C2H3OH + 2 K2SO4 + 6 H2O + 4 MnSO4
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