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Fe + 2 HBr = FeBr2 + H2
I2 + K = KI =>
I2 + 2 K = 2 KI
In + Br2 = InBr3 =>
2 In + 3 Br2 = 2 InBr3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CuSO4 + KI = CuI2 + K2SO4 =>
CuSO4 + 2 KI = CuI2 + K2SO4
KNO3 + C = K2CO3 + CO + N2 =>
2 KNO3 + 4 C = K2CO3 + 3 CO + N2
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
CuS + O2 = CuSO4 =>
CuS + 2 O2 = CuSO4
CuSO4 + Al = Al2(SO4)3 + Cu =>
3 CuSO4 + 2 Al = Al2(SO4)3 + 3 Cu
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
Cu + NO = CuO + N2 =>
2 Cu + 2 NO = 2 CuO + N2
C + SnO2 = Sn + CO =>
2 C + SnO2 = Sn + 2 CO
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
C + Al2O3 = Al4O3 + CO =>
3 C + 2 Al2O3 = Al4O3 + 3 CO
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
HCl + Ba(OH)2 = H2O + BaCl2 =>
2 HCl + Ba(OH)2 = 2 H2O + BaCl2
KClO3 = KCl + O =>
KClO3 = KCl + 3 O
Fe + S = FeS2 =>
Fe + 2 S = FeS2
H2O = H + O =>
H2O = 2 H + O
HgO = Hg + O =>
HgO = Hg + O
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
CH4 + NH3 = HCN + H2 =>
CH4 + NH3 = HCN + 3 H2
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
BF3 + H2O = HF + H3BO3 =>
BF3 + 3 H2O = 3 HF + H3BO3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
KNO3 + C = K2CO3 + CO + N2 =>
2 KNO3 + 4 C = K2CO3 + 3 CO + N2
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
Na2O2 + H2O = NaOH + O =>
Na2O2 + H2O = 2 NaOH + O
Fe + H2O = H + Fe2O3 =>
2 Fe + 3 H2O = 6 H + Fe2O3
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