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2 Al + Cr2O3 = Al2O3 + 2 Cr
CuCl2 + (C6H5)3PO = [CuCl2((C6H5)3PO)2](tetrahedral) =>
CuCl2 + 2(C6H5)3PO = [CuCl2((C6H5)3PO)2](tetrahedral)
Co(NO3)2(aq) + Zn(s) = Zn(NO3)2(aq) + Co(s) =>
Co(NO3)2(aq) + Zn(s) = Zn(NO3)2(aq) + Co(s)
Cd + HNO3 = Cd(NO3)2 + H =>
Cd + 2 HNO3 = Cd(NO3)2 + 2 H
Mn3O4 + KClO3 + K2CO3 = KMnO4 + KCl + CO2 =>
6 Mn3O4 + 13 KClO3 + 9 K2CO3 = 18 KMnO4 + 13 KCl + 9 CO2
KNO3 + C2H4O = CO2 + H2O + K2CO3 + N2 =>
2 KNO3 + C2H4O = CO2 + 2 H2O + K2CO3 + N2
NH4OH + Mg = NH4 + Mg(OH)2 =>
2 NH4OH + Mg = 2 NH4 + Mg(OH)2
Cd + HNO3 = Cd(NO3)2 + N2O + H2O =>
4 Cd + 10 HNO3 = 4 Cd(NO3)2 + N2O + 5 H2O
CoO(s) = Co + O2 =>
2 CoO(s) = 2 Co + O2
AlCl + NaS = AlS + NaCl =>
AlCl + NaS = AlS + NaCl
Co(NO3)2(aq) + Zn(s) = Zn(NO3)2(aq) + Co(s) =>
Co(NO3)2(aq) + Zn(s) = Zn(NO3)2(aq) + Co(s)
Cd + HNO3 = Cd(NO3)2 + NO + H2O =>
3 Cd + 8 HNO3 = 3 Cd(NO3)2 + 2 NO + 4 H2O
*5Ca(NO3)2*NH4NO3*10H2O + H2SO4 = CaSO4 + (NH4)2SO4 + HNO3 + H2O =>
2*5Ca(NO3)2*NH4NO3*10H2O + 11 H2SO4 = 10 CaSO4 + (NH4)2SO4 + 22 HNO3 + 20 H2O
Na(s) + MgI2(aq) = NaI(aq) + Mg(s) =>
2 Na(s) + MgI2(aq) = 2 NaI(aq) + Mg(s)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CuSO4(aq) + Ni(NO3)2(aq) = Cu(NO3)2 + NiSO4 =>
CuSO4(aq) + Ni(NO3)2(aq) = Cu(NO3)2 + NiSO4
C11H22O11(s) + O2(g) = CO2(g) + H2O(g) =>
C11H22O11(s) + 11 O2(g) = 11 CO2(g) + 11 H2O(g)
Cd + HNO3 = Cd(NO3)2 + NH4NO3 + H2O =>
4 Cd + 10 HNO3 = 4 Cd(NO3)2 + NH4NO3 + 3 H2O
Na(s) + Cl2(g) = NaCl(s) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)
HBr + VO + H2O = [V(H2O)6] + Br =>
2 HBr + VO + 5 H2O = [V(H2O)6] + 2 Br
I{-} + H{+} + V2O5 = I2 + VO2 + H2O =>
2 I{-} + 2 H{+} + V2O5 = I2 + 2 VO2 + H2O
Fe3O4 + H2CO3 = FeCO3 + Fe2(CO3)3 + H2O =>
Fe3O4 + 4 H2CO3 = FeCO3 + Fe2(CO3)3 + 4 H2O
C6H6 + O2 = CO2 + H(OH) =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H(OH)
K + AgS = Ag + KS =>
K + AgS = Ag + KS
Na + HCI = NaCI + H2 =>
2 Na + 2 HCI = 2 NaCI + H2
Na(s) + O2(g) = Na2O2(s) =>
2 Na(s) + O2(g) = Na2O2(s)
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
O2 = O3 =>
3 O2 = 2 O3
H2(g) + O(g) = H2O(l) =>
H2(g) + O(g) = H2O(l)
S2Cl2 = S8 + Cl =>
4 S2Cl2 = S8 + 8 Cl
Ni(NO3)2(aq) + CuSO4(aq) = NiSO4(aq) + Cu(NO3)2(aq) =>
Ni(NO3)2(aq) + CuSO4(aq) = NiSO4(aq) + Cu(NO3)2(aq)
Pb3O4 + Cr2(SO4)3 + NaOH = Na2CrO4 + Pb + Na2SO4 + H2O =>
3 Pb3O4 + 4 Cr2(SO4)3 + 40 NaOH = 8 Na2CrO4 + 9 Pb + 12 Na2SO4 + 20 H2O
H2(SO4) + BaCl2 = BaSO4 + HCl =>
H2(SO4) + BaCl2 = BaSO4 + 2 HCl
HMnO4 + Cd(OH)2 = Cd(MnO4)2 + H2O =>
2 HMnO4 + Cd(OH)2 = Cd(MnO4)2 + 2 H2O
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca + Fe(CN)6 = Ca(CN)6 + Fe =>
Ca + Fe(CN)6 = Ca(CN)6 + Fe
Fe + HNO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe(NO3)3 + 3 H2
Bi(OH)2Cl + HCl = BiCl3 + H2O =>
Bi(OH)2Cl + 2 HCl = BiCl3 + 2 H2O
Fe + HNO3 = Fe(NO3)2 + H2 =>
Fe + 2 HNO3 = Fe(NO3)2 + H2
NH4OH + HCl = NH4Cl + HOH =>
NH4OH + HCl = NH4Cl + HOH
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
HBrO3 + HBr = Br2 + H2O =>
HBrO3 + 5 HBr = 3 Br2 + 3 H2O
Fe + HNO3 = Fe(NO3)2 + NH4NO3 + H2O =>
4 Fe + 10 HNO3 = 4 Fe(NO3)2 + NH4NO3 + 3 H2O
P3Cl15 + H2O = HCl + H3PO4 =>
P3Cl15 + 12 H2O = 15 HCl + 3 H3PO4
Al(s) + Br2(l) = AlBr3(s) =>
2 Al(s) + 3 Br2(l) = 2 AlBr3(s)
Al2(SO4)3(aq) + KI = K2SO4 + AlI3 =>
Al2(SO4)3(aq) + 6 KI = 3 K2SO4 + 2 AlI3
COOH{-} + H2O = HCOOH + OH{-} =>
COOH{-} + H2O = HCOOH + OH{-}
Fe7(CN)18 + H2O2 = Fe(HCO3)3 + NH3 + Fe + N2 =>
Fe7(CN)18 + 27 H2O2 = 6 Fe(HCO3)3 + 12 NH3 + Fe + 3 N2
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
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