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K(s) + O2(g) = KO2(s)
Ca + Al(Cl)3 = CaCl2 + Al =>
3 Ca + 2 Al(Cl)3 = 3 CaCl2 + 2 Al
Na(s) + O2(g) = Na2O2(s) =>
2 Na(s) + O2(g) = Na2O2(s)
Mg(NO3)2 = MgO + NO2 + O2 =>
2 Mg(NO3)2 = 2 MgO + 4 NO2 + O2
Pb(NO3)2 + Na2SO4 = NaNO3 + PbSO4 =>
Pb(NO3)2 + Na2SO4 = 2 NaNO3 + PbSO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca(s) + O2(g) = CaO(s) =>
2 Ca(s) + O2(g) = 2 CaO(s)
Al + H3PO4 = H2 + AlPO4 =>
2 Al + 2 H3PO4 = 3 H2 + 2 AlPO4
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
C6H7O6Na + HCl = C6H8O6 + NaCl =>
C6H7O6Na + HCl = C6H8O6 + NaCl
PCl5 + KOH = KCl + P2O5 + H2O =>
2 PCl5 + 10 KOH = 10 KCl + P2O5 + 5 H2O
Na2SO4 + BaCl2 = NaCl + BaSO4 =>
Na2SO4 + BaCl2 = 2 NaCl + BaSO4
H2SO4 + Cu(OH)2 = CuSO4 + H2O =>
H2SO4 + Cu(OH)2 = CuSO4 + 2 H2O
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
NH3 + O = NO + H2O =>
2 NH3 + 5 O = 2 NO + 3 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ni(No3)2 + KI = KNo3 + NiI2 =>
Ni(No3)2 + 2 KI = 2 KNo3 + NiI2
Al + HCl = Al(Cl)3 + H2 =>
2 Al + 6 HCl = 2 Al(Cl)3 + 3 H2
N2O5 + LiOH = Li2O + HNO3 =>
N2O5 + 2 LiOH = Li2O + 2 HNO3
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Pb(NO3)2 + KCl = PbCl2 + KNO3 =>
Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
SiC + Cl = SiCl4 + C =>
SiC + 4 Cl = SiCl4 + C
Al(OH)3 + HNO3 = H2O + Al(NO3)3 =>
Al(OH)3 + 3 HNO3 = 3 H2O + Al(NO3)3
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
Na2S(aq) + HCl(aq) = H2S(g) + NaCl(aq) =>
Na2S(aq) + 2 HCl(aq) = H2S(g) + 2 NaCl(aq)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
KOH + H2So4 = K2So4 + H2O =>
2 KOH + H2So4 = K2So4 + 2 H2O
KMNO4 + HCl = KCl + MNCl2 + H2O + Cl2 =>
2 KMNO4 + 16 HCl = 2 KCl + 2 MNCl2 + 8 H2O + 5 Cl2
Mg{+} + HCl + {-} = MgCl + H2 =>
2 Mg{+} + 2 HCl + 2e = 2 MgCl + H2
KMNO4 + HCl = KCl + MNCl2 + H2O + Cl2 =>
2 KMNO4 + 16 HCl = 2 KCl + 2 MNCl2 + 8 H2O + 5 Cl2
Si2Cl6 + H2O = SiO2 + HCl + H2 =>
Si2Cl6 + 4 H2O = 2 SiO2 + 6 HCl + H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Al{+} + HCl + {-} = AlCl + H2 =>
2 Al{+} + 2 HCl + 2e = 2 AlCl + H2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
H + Au3{+} = H{+} + Au =>
H + Au3{+} = H{+} + 3 Au
SO2 + H2O + O2 = H2SO4 =>
2 SO2 + 2 H2O + O2 = 2 H2SO4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
CaSO4 + H2SiF6 + H2O = CaF2 + SiO2 + H2SO4 =>
3 CaSO4 + H2SiF6 + 2 H2O = 3 CaF2 + SiO2 + 3 H2SO4
Al + O2 = Al3O2 =>
3 Al + O2 = Al3O2
Br2 + S2O3{-2} + H2O = Br{-} + SO4{-2} + H{+} =>
4 Br2 + S2O3{-2} + 5 H2O = 8 Br{-} + 2 SO4{-2} + 10 H{+}
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
O3 = O2 =>
2 O3 = 3 O2
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