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K2Cr2O7 + 3 SNCl2 + 14 HCl = 2 CrCl3 + 3 SNCl4 + 2 KCl + 7 H2O
C6H5OH + O3 = CO2 + H2O =>
3 C6H5OH + 14 O3 = 18 CO2 + 9 H2O
Y + HNO3 = Y(NO3)3 + NH4NO3 + H2O =>
8 Y + 30 HNO3 = 8 Y(NO3)3 + 3 NH4NO3 + 9 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
At + O2 = At2O3 =>
4 At + 3 O2 = 2 At2O3
CH3CHO + O = CO2 + H2O =>
CH3CHO + 5 O = 2 CO2 + 2 H2O
SrSO3 + CuSO4 = SrSO4 + CuSO3 =>
SrSO3 + CuSO4 = SrSO4 + CuSO3
CU + HNO3 = CU(NO3)2 + NH4NO2 + H2O =>
5 CU + 12 HNO3 = 5 CU(NO3)2 + NH4NO2 + 4 H2O
CaSO3 + NaOH = Ca(OH)2 + Na2SO3 =>
CaSO3 + 2 NaOH = Ca(OH)2 + Na2SO3
CH3COOH + Na2HCO3 = Na + H2O + CO2 =>
CH3COOH + 8 Na2HCO3 = 16 Na + 6 H2O + 10 CO2
P2O3 + NaOH = NaO + HPO + H2O =>
P2O3 + 4 NaOH = 4 NaO + 2 HPO + H2O
F + KOH = KF + OF2 + H2O =>
4 F + 2 KOH = 2 KF + OF2 + H2O
CaF2 + H3O{+} = H2O + Ca{2+} + HF =>
CaF2 + 2 H3O{+} = 2 H2O + Ca{2+} + 2 HF
Al + CH3{-}COONa = Al3{-}COONa + CH3 =>
3 Al + CH3{-}COONa = Al3{-}COONa + CH3
Fe + O = Fe2O =>
2 Fe + O = Fe2O
CuFeS2 + KNO3 + KOH = Fe(OH)3 + CuO + KNO2 + K2SO4 + H2O =>
2 CuFeS2 + 17 KNO3 + 8 KOH = 2 Fe(OH)3 + 2 CuO + 17 KNO2 + 4 K2SO4 + H2O
H2 + O2 = H2O23 =>
2 H2 + 23 O2 = 2 H2O23
Na + HSO2 = NaSO2 + H =>
Na + HSO2 = NaSO2 + H
N2 + Fe = N2Fe =>
N2 + Fe = N2Fe
Co + H2SO4 = CoSO4 + H2 =>
Co + H2SO4 = CoSO4 + H2
NaOH + HI = HOH + NaI =>
NaOH + HI = HOH + NaI
MgO + NH3 = Mg3N2 + H2O =>
3 MgO + 2 NH3 = Mg3N2 + 3 H2O
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
MgCl2 + HNO3 = HCl + Mg(NO3)2 =>
MgCl2 + 2 HNO3 = 2 HCl + Mg(NO3)2
C6H11ON + O2 = CO2 + H2O + N2 =>
4 C6H11ON + 33 O2 = 24 CO2 + 22 H2O + 2 N2
Ni + NH3 = Ni(NH3)4 =>
Ni + 4 NH3 = Ni(NH3)4
P + I + H2O = H3PO4 + HI =>
P + 5 I + 4 H2O = H3PO4 + 5 HI
Pb + H2SO4 = PbSO4 + H =>
Pb + H2SO4 = PbSO4 + 2 H
Cl2 + CsBr = CsCl + Br2 =>
Cl2 + 2 CsBr = 2 CsCl + Br2
CaCO3 + SO3 = CaSO4 + CO2 =>
CaCO3 + SO3 = CaSO4 + CO2
(NH4)2(SO4) + K2CrO4 = (NH4)2CrO4 + K2SO4 =>
(NH4)2(SO4) + K2CrO4 = (NH4)2CrO4 + K2SO4
C3H8 + O2O = CO2 + H2O =>
3 C3H8 + 10 O2O = 9 CO2 + 12 H2O
CO3 + Fe2 = Fe3O + C =>
2 CO3 + 9 Fe2 = 6 Fe3O + 2 C
Zn(s)Pb(NO3)2(ac) = Pb(ac)Zn(NO3)2(ac) =>
Zn(s)Pb(NO3)2(ac) = Pb(ac)Zn(NO3)2(ac)
F2O7 + H2O = H2F2O8 =>
F2O7 + H2O = H2F2O8
Cu(NH3)4 + NH4OH = Cu(OH)2 + H2 + N2 =>
Cu(NH3)4 + 2 NH4OH = Cu(OH)2 + 10 H2 + 3 N2
Hf + N2 = Hf2N4 =>
2 Hf + 2 N2 = Hf2N4
Zn + CuSO4 + HCl = H2 + CuCl + ZnSO4 =>
2 Zn + 2 CuSO4 + 2 HCl = H2 + 2 CuCl + 2 ZnSO4
Ca(CO3) + KCl = CaCl2 + K2CO3 =>
Ca(CO3) + 2 KCl = CaCl2 + K2CO3
ZnSO4 + NaOH = Zn(OH)2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2SO4
Na + Li2O = NaO + Li =>
Na + Li2O = NaO + 2 Li
Cu(OH)2(s) + HClO4(aq) = Cu(ClO4)2 + H2O =>
Cu(OH)2(s) + 2 HClO4(aq) = Cu(ClO4)2 + 2 H2O
NaCl + O3 = NaClO2 =>
3 NaCl + 2 O3 = 3 NaClO2
Na2SO3 + Pb(NO3)2 = Na(NO3) + PbSO3 =>
Na2SO3 + Pb(NO3)2 = 2 Na(NO3) + PbSO3
Al + HNO3(aq) = Al(NO3)3 + H2 =>
2 Al + 6 HNO3(aq) = 2 Al(NO3)3 + 3 H2
PbO2 + HI = I2 + PbI2 + H2O =>
PbO2 + 4 HI = I2 + PbI2 + 2 H2O
CuBr + CaSO4 = CaBr2 + Cu2SO4 =>
2 CuBr + CaSO4 = CaBr2 + Cu2SO4
CH3CH2OH + Li = CH3CH2OLi + H2 =>
2 CH3CH2OH + 2 Li = 2 CH3CH2OLi + H2
Zn + CoSO4 = ZnSO4 + Co2 =>
2 Zn + 2 CoSO4 = 2 ZnSO4 + Co2
HBr + HCOOH = HCOOBr + H2 =>
HBr + HCOOH = HCOOBr + H2
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