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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NaC2H3O2SnO2 = C2H3O2Na + SnO2 =>
NaC2H3O2SnO2 = C2H3O2Na + SnO2
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Na2SO3SO3 = Na2SO4SO2 =>
Na2SO3SO3 = Na2SO4SO2
Ca + N2 = Ca3N2* =>
3 Ca + N2 = Ca3N2*
FeSO4 + Na2CO3 + H2O = Fe(OH)2 + CO2 + Na2SO4 =>
FeSO4 + Na2CO3 + H2O = Fe(OH)2 + CO2 + Na2SO4
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
FeCl3 + K2SO3 + H2O = KOH + Fe2(SO3)3 + HCl =>
2 FeCl3 + 3 K2SO3 + 6 H2O = 6 KOH + Fe2(SO3)3 + 6 HCl
Pb(NO3)2 + NaC2H3O2 = Pb(C2H3O2)2 + NaNO3 =>
Pb(NO3)2 + 2 NaC2H3O2 = Pb(C2H3O2)2 + 2 NaNO3
Fe2O3 + H2S = Fe2SO3 + H2 =>
Fe2O3 + H2S = Fe2SO3 + H2
Na + S = Na2S =>
2 Na + S = Na2S
AgNO3 + NiCl2 = AgCl + Ni(NO3)2 =>
2 AgNO3 + NiCl2 = 2 AgCl + Ni(NO3)2
Ge21H2 = Ge1 + H2 =>
Ge21H2 = 21 Ge1 + H2
PbI2 + NaCl = NaI2 + PbCl =>
PbI2 + NaCl = NaI2 + PbCl
KCl + CrCl3 + Cl2 + H2O = K2Cr2O7 + HCl =>
2 KCl + 2 CrCl3 + 3 Cl2 + 7 H2O = K2Cr2O7 + 14 HCl
Ca(Zn(OH)4) + H2SO4 = CaSO4 + Zn(OH)2 + H2O =>
Ca(Zn(OH)4) + H2SO4 = CaSO4 + Zn(OH)2 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CuSO4(aq) + Pb(NO3)2 = PbSO4 + Cu(NO3)2 =>
CuSO4(aq) + Pb(NO3)2 = PbSO4 + Cu(NO3)2
SrCl2 + LiOH = Sr(OH)2 + LiCl =>
SrCl2 + 2 LiOH = Sr(OH)2 + 2 LiCl
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
HF(aq) + RbOH(aq) = RbF(aq) + H2O(l) =>
HF(aq) + RbOH(aq) = RbF(aq) + H2O(l)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KMnO4 + Sb + KOH = K2MnO4 + SbO3 + H2O =>
6 KMnO4 + Sb + 6 KOH = 6 K2MnO4 + SbO3 + 3 H2O
NaOH + CuCl2 = Cu(OH)2 + NaCl =>
2 NaOH + CuCl2 = Cu(OH)2 + 2 NaCl
KJ + KNO2 + H2SO4 = J2 + K2SO4 + H2O + NO =>
2 KJ + 2 KNO2 + 2 H2SO4 = J2 + 2 K2SO4 + 2 H2O + 2 NO
HOCl = ClOH =>
HOCl = ClOH
Ba(NO3)2 + Na = NaNO3 + Ba =>
Ba(NO3)2 + 2 Na = 2 NaNO3 + Ba
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
KSO3 + BaNO3 = KNO3 + BaSO3 =>
KSO3 + BaNO3 = KNO3 + BaSO3
NH3 + Na2FeO4 + H2SO4 = Fe2(SO4)3 + NaSO4 + N2 + H2O =>
2 NH3 + 6 Na2FeO4 + 21 H2SO4 = 3 Fe2(SO4)3 + 12 NaSO4 + N2 + 24 H2O
K2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H =>
7 K2S + 4 K2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 11 K2SO4 + 32 H
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
AgBr(s) + Na2S2O3(aq) = Na3Ag(S2O3)2(aq) + NaBr(aq) =>
AgBr(s) + 2 Na2S2O3(aq) = Na3Ag(S2O3)2(aq) + NaBr(aq)
Mg3(PO4)2 + CrCl3 = MgCl2 + CrPO4 =>
Mg3(PO4)2 + 2 CrCl3 = 3 MgCl2 + 2 CrPO4
NiCl2 + Cu(OH)2 = Ni(OH)2 + CuCl2 =>
NiCl2 + Cu(OH)2 = Ni(OH)2 + CuCl2
CH4 + H2O = CO2 + H2 =>
CH4 + 2 H2O = CO2 + 4 H2
CH3CH2Cl + AgOH = AgCl + CH3CH2OH =>
CH3CH2Cl + AgOH = AgCl + CH3CH2OH
Sn10 + Fe13 = SnFe13 =>
Sn10 + 10 Fe13 = 10 SnFe13
Al + Fe2O3 = AlFe3 + O2 =>
4 Al + 6 Fe2O3 = 4 AlFe3 + 9 O2
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
CH4 + H2O = CO2 + H2 =>
CH4 + 2 H2O = CO2 + 4 H2
C2H3Cl + H2 = C6H11Cl3 =>
3 C2H3Cl + H2 = C6H11Cl3
MnSHCl = MnClHS =>
MnSHCl = MnClHS
H3PMo12O40 + Et2O = (Et2OH)3(PMo12O40) =>
H3PMo12O40 + 3 Et2O = (Et2OH)3(PMo12O40)
K2O + SO2 = K2O(SO2) =>
K2O + SO2 = K2O(SO2)
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