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8 Fe + S8 = 8 FeS
Al + H2SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
Mg(OH)2 + H2So4 = MgSo4 + H2O =>
Mg(OH)2 + H2So4 = MgSo4 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C7H8 + Cl2 = C7H7Cl + HCl =>
C7H8 + Cl2 = C7H7Cl + HCl
C6H12O6 + O2 = H2O + CO2 =>
C6H12O6 + 6 O2 = 6 H2O + 6 CO2
K2SO4 + BaCl2 = KCl + BaSO4 =>
K2SO4 + BaCl2 = 2 KCl + BaSO4
Y2O3 + BaCO3 + CuO = Y2Ba4Cu6O13 + CO2 =>
Y2O3 + 4 BaCO3 + 6 CuO = Y2Ba4Cu6O13 + 4 CO2
C6H12O2 + O2 = CO2 + H2O =>
C6H12O2 + 8 O2 = 6 CO2 + 6 H2O
Fe(OH)3 + H2CrO4 = Fe2(CrO4)3 + H2O =>
2 Fe(OH)3 + 3 H2CrO4 = Fe2(CrO4)3 + 6 H2O
C7H6N2O4 + O2 = CO2 + H2O + NO3 =>
2 C7H6N2O4 + 19 O2 = 14 CO2 + 6 H2O + 4 NO3
Zn + Sn(No3)4 = Zn(No3)2 + Sn =>
2 Zn + Sn(No3)4 = 2 Zn(No3)2 + Sn
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Y2O3 + BaCO3 + CuO = Y6Ba10Cu16O35 + CO2 =>
3 Y2O3 + 10 BaCO3 + 16 CuO = Y6Ba10Cu16O35 + 10 CO2
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
CuCl2 + Al = Cu + AlCl =>
CuCl2 + 2 Al = Cu + 2 AlCl
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
Fe(HCr2O7)3 + Mg3(PO4)2 = Mg(HCr2O7)2 + FePO4 =>
2 Fe(HCr2O7)3 + Mg3(PO4)2 = 3 Mg(HCr2O7)2 + 2 FePO4
CS2 + Cl2 + H2O = CCl4S + HCl + H2SO4 =>
CS2 + 5 Cl2 + 4 H2O = CCl4S + 6 HCl + H2SO4
K + H2O = KOH + H =>
K + H2O = KOH + H
Fe2O3 + SnCl2 = FeO + SnO + Cl2 =>
Fe2O3 + SnCl2 = 2 FeO + SnO + Cl2
H2S + ClO3 = S + Cl + H2O =>
3 H2S + ClO3 = 3 S + Cl + 3 H2O
CH3C(O)CH2CH3 + Ca(ClO)2 = CHCl3 + C6H10CaO4 + Ca(OH)2 =>
2 CH3C(O)CH2CH3 + 3 Ca(ClO)2 = 2 CHCl3 + C6H10CaO4 + 2 Ca(OH)2
Fe2O3 + SnCl2 = FeO + SnO + Cl2 =>
Fe2O3 + SnCl2 = 2 FeO + SnO + Cl2
MnO2 + H2SO4 = Mn(SO4)2 + H2O =>
MnO2 + 2 H2SO4 = Mn(SO4)2 + 2 H2O
C7H8 + Cl2 = C7H7Cl + HCl =>
C7H8 + Cl2 = C7H7Cl + HCl
CuCl2 + Al = Cu + AlCl =>
CuCl2 + 2 Al = Cu + 2 AlCl
C7H7Cl + Cl2 = C7H6ClCl + HCl =>
C7H7Cl + Cl2 = C7H6ClCl + HCl
C7H7Cl + Cl2 = C7H6Cl2 + HCl =>
C7H7Cl + Cl2 = C7H6Cl2 + HCl
CaBr2 + AuClO4 = AuBr + Ca(ClO4)2 =>
CaBr2 + 2 AuClO4 = 2 AuBr + Ca(ClO4)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe2(SO4)3 + NaOH = Na2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 NaOH = 3 Na2SO4 + 2 Fe(OH)3
H2O2 + H2SO4 + KI + C6H10O5 = K2SO4 + H2O + C6H10O5I2 =>
H2O2 + H2SO4 + 2 KI + C6H10O5 = K2SO4 + 2 H2O + C6H10O5I2
C2H2 + HCl = C2H3Cl =>
C2H2 + HCl = C2H3Cl
FeSO4 + Fe2(SO4)3 + NaOH = Fe3O4 + Na2SO4 + H2O =>
FeSO4 + Fe2(SO4)3 + 8 NaOH = Fe3O4 + 4 Na2SO4 + 4 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
HCL + H2O = H3O + CL =>
HCL + H2O = H3O + CL
N2 + O2 = NO =>
N2 + O2 = 2 NO
Ce{4+} + Hg2(CN)2 + OH{-} = CO3{2-} + NO3{-} + Hg(OH)2 + Ce{3+} + H2O =>
22 Ce{4+} + Hg2(CN)2 + 28 OH{-} = 2 CO3{2-} + 2 NO3{-} + 2 Hg(OH)2 + 22 Ce{3+} + 12 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H + O = H2O =>
2 H + O = H2O
Si3N4 = Si + N =>
Si3N4 = 3 Si + 4 N
N2H4 + SeO4{2-} + H3O{+} = H2O + N2 + Se =>
3 N2H4 + 2 SeO4{2-} + 4 H3O{+} = 12 H2O + 3 N2 + 2 Se
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Mg + O = MgO =>
Mg + O = MgO
K + O2 = K2O =>
4 K + O2 = 2 K2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
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