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3 Cu2S + 2 Al = Al2S3 + 6 Cu
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Al + O2 = Al20O3 =>
40 Al + 3 O2 = 2 Al20O3
Ag(NO3) + Al = Ag + Al(NO3)3 =>
3 Ag(NO3) + Al = 3 Ag + Al(NO3)3
CH3CH2CH2CH2OMgCl + H2O = CH3CH2CH2CH2OH + MgOHCl =>
CH3CH2CH2CH2OMgCl + H2O = CH3CH2CH2CH2OH + MgOHCl
CaC2H2O = C2H2CaO =>
CaC2H2O = C2H2CaO
Cu + HNO3 = Cu(HNO3) =>
Cu + HNO3 = Cu(HNO3)
NH4Br + NaOH = NaBr + NH3 + H2O =>
NH4Br + NaOH = NaBr + NH3 + H2O
KClO3 + Fe + H2SO4 = KCl + Fe(SO4)3 + H2O =>
KClO3 + Fe + 3 H2SO4 = KCl + Fe(SO4)3 + 3 H2O
NaCO4 + H2O = OH + NaC =>
NaCO4 + 4 H2O = 8 OH + NaC
K(s) + N2 = KN =>
2 K(s) + N2 = 2 KN
Fe + H2C2O4 = FeH2C2O4 =>
Fe + H2C2O4 = FeH2C2O4
KMnO4 + KCl + H2SO4 = MnSO4 + Cl2 + H2O + KHSO4 =>
2 KMnO4 + 10 KCl + 14 H2SO4 = 2 MnSO4 + 5 Cl2 + 8 H2O + 12 KHSO4
Fe(NO3)2 + K2CO3 + H2O = Fe(OH)2 + KNO3 + CO2 =>
Fe(NO3)2 + K2CO3 + H2O = Fe(OH)2 + 2 KNO3 + CO2
C18H30O2 + O2 = H2O + CO2 =>
2 C18H30O2 + 49 O2 = 30 H2O + 36 CO2
AgNO3 + NaCO3 = NaNO3 + AgCO3 =>
AgNO3 + NaCO3 = NaNO3 + AgCO3
C4H9Br + Mg(ete) = C4H9MgBr =>
C4H9Br + Mg(ete) = C4H9MgBr
H2SO4 + NaNO3 = H2Na + SO4NO3 =>
H2SO4 + NaNO3 = H2Na + SO4NO3
BaSO3 + H2SO4 = BaSO4 + H2SO3 =>
BaSO3 + H2SO4 = BaSO4 + H2SO3
Mn3O4 = MnO + O2 =>
2 Mn3O4 = 6 MnO + O2
Al3 + HCl = H + AlCl =>
Al3 + 3 HCl = 3 H + 3 AlCl
FeS2 + HBr = Br2Fe + HS =>
FeS2 + 2 HBr = Br2Fe + 2 HS
Cu + CI2 = CuCI2 =>
Cu + CI2 = CuCI2
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
Fe(s) + CuNO3(aq) = Fe(NO3)3(aq) + Cu(s) =>
Fe(s) + 3 CuNO3(aq) = Fe(NO3)3(aq) + 3 Cu(s)
MnBr2 + KMnO4 = KBr + MnO2 + Br2 =>
2 MnBr2 + 2 KMnO4 = 2 KBr + 4 MnO2 + Br2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaCl + Na2CO3 = NaCO3 + Na2Cl =>
NaCl + Na2CO3 = NaCO3 + Na2Cl
Na2S5 + O2 = Na2S2O3 + S2 =>
2 Na2S5 + 3 O2 = 2 Na2S2O3 + 3 S2
FeI3 + CuHCO3 = Fe(HCO3)3 + CuI =>
FeI3 + 3 CuHCO3 = Fe(HCO3)3 + 3 CuI
Cr(NO3)3 + K2CO3 = Cr2O3 + CO2 + KNO3 =>
2 Cr(NO3)3 + 3 K2CO3 = Cr2O3 + 3 CO2 + 6 KNO3
H{+} + MnO4{-} + H2C2O4 = CO2 + H2O + Mn{2+} =>
6 H{+} + 2 MnO4{-} + 5 H2C2O4 = 10 CO2 + 8 H2O + 2 Mn{2+}
CH3COCl + C2H5OH = CH3COOH + C6H5 + HCl =>
19 CH3COCl + 5 C2H5OH = 12 CH3COOH + 4 C6H5 + 19 HCl
Fe3 + Br = FeBr2 =>
Fe3 + 6 Br = 3 FeBr2
I2 = I3 =>
3 I2 = 2 I3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Mg + AlCl3 = Al + MgCl2 =>
3 Mg + 2 AlCl3 = 2 Al + 3 MgCl2
C2H4Cl2 + O2 = CO + H2O + HCl =>
2 C2H4Cl2 + 3 O2 = 4 CO + 2 H2O + 4 HCl
SO2 + H2O = S2O + HO2 =>
2 SO2 + H2O = S2O + 2 HO2
C4H8 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
C3H4 + HCl = C3H4Cl2 + H2 =>
C3H4 + 2 HCl = C3H4Cl2 + H2
K[Ag(CN)2] + K2S2O3 = [Ag(CN)2]2S2O3 + K =>
2 K[Ag(CN)2] + K2S2O3 = [Ag(CN)2]2S2O3 + 4 K
Ka + H2O = KaH2O =>
Ka + H2O = KaH2O
Mn2(SO4)3 + Na3PO4 = MnPO4 + Na2SO4 =>
Mn2(SO4)3 + 2 Na3PO4 = 2 MnPO4 + 3 Na2SO4
Cl65 = Cl4 =>
4 Cl65 = 65 Cl4
Ni + HCl = NiCl4 + H =>
Ni + 4 HCl = NiCl4 + 4 H
KClO + HI + H2SO4 = KHSO4 + HCl + I2 + H2O =>
KClO + 2 HI + H2SO4 = KHSO4 + HCl + I2 + H2O
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