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2 N2 + O2 = 2 N2O
Cl2(g) + KBr(Ac) = Br2(l) + KCl(Ac) =>
Cl2(g) + 2 KBr(Ac) = Br2(l) + 2 KCl(Ac)
Ru + Cl2 = RuCl2 =>
Ru + Cl2 = RuCl2
CuSO4 + Hg2Cl2 = CuCl2 + Hg2SO4 =>
CuSO4 + Hg2Cl2 = CuCl2 + Hg2SO4
NaHCO3 + H2C6H5O7 = CO2 + H2O + Na2C6H6O7 =>
34 NaHCO3 + 18 H2C6H5O7 = 40 CO2 + 29 H2O + 17 Na2C6H6O7
NaS + H2OH = NaOH + H2S =>
NaS + H2OH = NaOH + H2S
Br2 + Na2S + H2SO4 = NaSO4 + HBr + H2S =>
Br2 + Na2S + 2 H2SO4 = 2 NaSO4 + 2 HBr + H2S
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
WF6 + WO3 = WOF4 =>
2 WF6 + WO3 = 3 WOF4
C5H5N + H = C5H11N =>
C5H5N + 6 H = C5H11N
C6H5OH + C2H5OH = C8H10O2 + H2 =>
C6H5OH + C2H5OH = C8H10O2 + H2
FeSO4 + Ce(SO4)2 = Fe2(SO4)3 + Ce2(SO4)3 =>
2 FeSO4 + 2 Ce(SO4)2 = Fe2(SO4)3 + Ce2(SO4)3
CH3OCH3 + BF3 = CH3OCH2BF3 + H2 =>
2 CH3OCH3 + 2 BF3 = 2 CH3OCH2BF3 + H2
MgNH4PO4 + HCl = NH4Cl + MgHPO4 =>
MgNH4PO4 + HCl = NH4Cl + MgHPO4
ZnS + O2 = ZnO2 + S2O =>
4 ZnS + 5 O2 = 4 ZnO2 + 2 S2O
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
HCO2H = CH4 + CO2 + H2O =>
4 HCO2H = CH4 + 3 CO2 + 2 H2O
C2H2O4 + Fe3O4 = FeO2 + C2 + H2O =>
2 C2H2O4 + 3 Fe3O4 = 9 FeO2 + 2 C2 + 2 H2O
Fe{3+} + Zn = Fe + Zn{+} =>
Fe{3+} + 3 Zn = Fe + 3 Zn{+}
HIO4 + RbOH = RbIO4 + H2O =>
HIO4 + RbOH = RbIO4 + H2O
CH3COOH + K2SiO3 = CH3COOK + H2O + SiO2 =>
2 CH3COOH + K2SiO3 = 2 CH3COOK + H2O + SiO2
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
Al + H2S = Al(HS)3 + H2 =>
2 Al + 6 H2S = 2 Al(HS)3 + 3 H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
O2CO2 = C(O2)2 =>
O2CO2 = C(O2)2
C2H4Br2 + KOH = KBr + H2O + C2H2 =>
C2H4Br2 + 2 KOH = 2 KBr + 2 H2O + C2H2
Na2B4O7(aq) + HCl(aq) + H2O(l) = NaCl(aq) + H3BO3(aq) =>
Na2B4O7(aq) + 2 HCl(aq) + 5 H2O(l) = 2 NaCl(aq) + 4 H3BO3(aq)
Al(s) + NiSO4 = Al2(SO4)3 + Ni =>
2 Al(s) + 3 NiSO4 = Al2(SO4)3 + 3 Ni
MgSO4 + Li2CO3 = MgCO3 + Li2SO4 =>
MgSO4 + Li2CO3 = MgCO3 + Li2SO4
FeSO4 = Fe2O3 + SO2 + SO3 =>
2 FeSO4 = Fe2O3 + SO2 + SO3
CrI2 + Na2CO3 = CrCO3 + NaI =>
CrI2 + Na2CO3 = CrCO3 + 2 NaI
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
S + Ca(OH)2 = CaSO4 + CaS + H2O =>
4 S + 4 Ca(OH)2 = CaSO4 + 3 CaS + 4 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HClO4 + HCl = H2O + Cl =>
HClO4 + 7 HCl = 4 H2O + 8 Cl
C6H8O7 + CaOHOH = Ca3(C6H5O7)2 + H2O =>
2 C6H8O7 + 3 CaOHOH = Ca3(C6H5O7)2 + 6 H2O
P2 + H2 = PH3 = Q =>
P2 + 3 H2 = 2 PH3
FeBr3(Ac) + Cl2(g) = FeCl3(Ac) + Br2(l) =>
2 FeBr3(Ac) + 3 Cl2(g) = 2 FeCl3(Ac) + 3 Br2(l)
CaSO4 + AlCl3 = CaCl2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlCl3 = 3 CaCl2 + Al2(SO4)3
CuI2(s) = CuI(s) + I2(s) =>
2 CuI2(s) = 2 CuI(s) + I2(s)
KNO3(s) + C(s) + S8(s) = N2(g) + CO2(g) + K2S(s) =>
16 KNO3(s) + 24 C(s) + S8(s) = 8 N2(g) + 24 CO2(g) + 8 K2S(s)
HCl + Pb(CH3COO)2 = H(CH3COO) + PbCl2 =>
2 HCl + Pb(CH3COO)2 = 2 H(CH3COO) + PbCl2
C28H29NO5 + O2 = HNO3 + CO2 + H2O =>
C28H29NO5 + 34 O2 = HNO3 + 28 CO2 + 14 H2O
Pb + Cu2(SO4)2 = Pb(SO4)2 + Cu =>
Pb + Cu2(SO4)2 = Pb(SO4)2 + 2 Cu
K + Sn(OH)2 = KOH + Sn =>
2 K + Sn(OH)2 = 2 KOH + Sn
O2 + MgCl2 = MgO2 + Cl2 =>
O2 + MgCl2 = MgO2 + Cl2
Re8 + As8 = Re3As4 =>
3 Re8 + 4 As8 = 8 Re3As4
C5H5N + O2 = CO2 + N + H2O =>
4 C5H5N + 25 O2 = 20 CO2 + 4 N + 10 H2O
H3AsO3 + Fe(OH)2 = Fe3(AsO3)2 + H2O =>
2 H3AsO3 + 3 Fe(OH)2 = Fe3(AsO3)2 + 6 H2O
MnO4{-} + SO3{2-} + H2O = Mn{2+} + SO4{2-} + OH{-} =>
2 MnO4{-} + 5 SO3{2-} + 3 H2O = 2 Mn{2+} + 5 SO4{2-} + 6 OH{-}
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