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2 Na + 2 H2O = 2 NaOH + H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
NH4NO3 + CaPO3 = NH4PO3 + CaNO3 =>
NH4NO3 + CaPO3 = NH4PO3 + CaNO3
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
NaHCO3 + Ca(H2PO4)2 = Na2HPO4 + CaHPO4 + CO2 + H2O =>
2 NaHCO3 + Ca(H2PO4)2 = Na2HPO4 + CaHPO4 + 2 CO2 + 2 H2O
FeCl3 + NaOH = NaCl + Fe(OH)3 =>
FeCl3 + 3 NaOH = 3 NaCl + Fe(OH)3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
FeCl3 + NaOH = NaCl + Fe(OH)3 =>
FeCl3 + 3 NaOH = 3 NaCl + Fe(OH)3
HNO3 + KOH = H2O + KNO3 =>
HNO3 + KOH = H2O + KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
KOH + HNO3 = KNO3 + H2O =>
KOH + HNO3 = KNO3 + H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NH4Cl + NaOH = NH3 + H2O + NaCl =>
NH4Cl + NaOH = NH3 + H2O + NaCl
C8H10 + O2 = CO2 + H2O =>
2 C8H10 + 21 O2 = 16 CO2 + 10 H2O
Ca(OH)2 + NH4Cl = NH3 + H2O + CaCl2 =>
Ca(OH)2 + 2 NH4Cl = 2 NH3 + 2 H2O + CaCl2
KI + FeCl3 = KCl3 + FeI =>
KI + FeCl3 = KCl3 + FeI
Na2CO3 + C6H8O7 = Na3C6H5O7 + CO2 + H2O =>
3 Na2CO3 + 2 C6H8O7 = 2 Na3C6H5O7 + 3 CO2 + 3 H2O
H2O = H2 + O =>
H2O = H2 + O
H2O = H2O =>
H2O = H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
HNO3 + Cu = Cu(NO3)2 + H2 =>
2 HNO3 + Cu = Cu(NO3)2 + H2
HNO3 + Cu = Cu(NO3)2 + H20 =>
20 HNO3 + 10 Cu = 10 Cu(NO3)2 + H20
HNO3 + Cu = Cu(NO3)2 + H2 =>
2 HNO3 + Cu = Cu(NO3)2 + H2
HNO3 + CuO = Cu(NO3)2 + H2O =>
2 HNO3 + CuO = Cu(NO3)2 + H2O
HNO3 + CuCO3 = Cu(NO3)2 + H2O + CO2 =>
2 HNO3 + CuCO3 = Cu(NO3)2 + H2O + CO2
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
NH4I + Zn(OH)2 = NH3 + H2O + ZnI2 =>
2 NH4I + Zn(OH)2 = 2 NH3 + 2 H2O + ZnI2
Hg(NO3)2 = Hg + NO2 + O2 =>
Hg(NO3)2 = Hg + 2 NO2 + O2
Mg + HCl = H2 + MgCl =>
2 Mg + 2 HCl = H2 + 2 MgCl
Fe + HNO3 = H2 + FeNO3 =>
2 Fe + 2 HNO3 = H2 + 2 FeNO3
Bi + Te = BiTe =>
Bi + Te = BiTe
K + C + N + S = KCNS =>
K + C + N + S = KCNS
Bi + Te = Bi2Te3 =>
2 Bi + 3 Te = Bi2Te3
F + NaCl = NaF + Cl =>
F + NaCl = NaF + Cl
CuSO4 + Ca(OH)2 = Cu(OH)2 + CaSO4 =>
CuSO4 + Ca(OH)2 = Cu(OH)2 + CaSO4
F + NaCl = NaF + Cl =>
F + NaCl = NaF + Cl
F2 + NaCl = NaF + Cl2 =>
F2 + 2 NaCl = 2 NaF + Cl2
Bi + Te = Bi2Te3 =>
2 Bi + 3 Te = Bi2Te3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na + Cl = NaCl =>
Na + Cl = NaCl
HgO = Hg + O =>
HgO = Hg + O
Ca + O2 + C = CaCO3 =>
2 Ca + 3 O2 + 2 C = 2 CaCO3
Na2CO3 + HNO3 = CO2 + H2O + NaNO3 =>
Na2CO3 + 2 HNO3 = CO2 + H2O + 2 NaNO3
K2CO3 + HNO3 = CO2 + H2O + KNO3 =>
K2CO3 + 2 HNO3 = CO2 + H2O + 2 KNO3
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