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2 Ca + 2 HOH = 2 CaOH + H2
PCl5 = PCl3 + Cl2 =>
PCl5 = PCl3 + Cl2
Na(BO3)3 + CoCl = NaCl + Co(BO3)3 =>
Na(BO3)3 + CoCl = NaCl + Co(BO3)3
Na2CO3 + Na2S + SO2 = Na2S2O3 + CO2 =>
Na2CO3 + 2 Na2S + 4 SO2 = 3 Na2S2O3 + CO2
HCI(aq) + Na2SO4(aq) = NaCI(aq) + H2SO4(aq) =>
2 HCI(aq) + Na2SO4(aq) = 2 NaCI(aq) + H2SO4(aq)
HCHO + H2 = HCH3 + O2 =>
2 HCHO + 2 H2 = 2 HCH3 + O2
Al + HNO3 = H2 + Al(NO3)2 =>
Al + 2 HNO3 = H2 + Al(NO3)2
NaCl + Fe = FeCl + Na =>
NaCl + Fe = FeCl + Na
C2H16 + O2 = CO2 + H2O =>
C2H16 + 6 O2 = 2 CO2 + 8 H2O
Cr(NO3)2 + NaOH = Cr(OH)2 + NaNO3 =>
Cr(NO3)2 + 2 NaOH = Cr(OH)2 + 2 NaNO3
HF = H2 + F3 =>
6 HF = 3 H2 + 2 F3
KF + H2SiF6 = K2SiF6 + HF =>
2 KF + H2SiF6 = K2SiF6 + 2 HF
Fe + HCl + KMnO4 = FeCl3 + MnCl2 + H2O + KCl =>
5 Fe + 24 HCl + 3 KMnO4 = 5 FeCl3 + 3 MnCl2 + 12 H2O + 3 KCl
NH4(HCO3) + Ca(OH)2 = Ca(HCO3)2 + NH4(OH) =>
2 NH4(HCO3) + Ca(OH)2 = Ca(HCO3)2 + 2 NH4(OH)
CaO + N2O5 = CaO5 + NO =>
3 CaO + 4 N2O5 = 3 CaO5 + 8 NO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HNO3 + AlHO = H2O + Al(NO3) =>
HNO3 + AlHO = H2O + Al(NO3)
NH3 + H2O + CO2 = NH4HCO3 =>
NH3 + H2O + CO2 = NH4HCO3
NiSO4 + NaCl = NiCl + NaSO4 =>
NiSO4 + NaCl = NiCl + NaSO4
Br2 + K(OH) = KBr + KBrO3 + H2 =>
3 Br2 + 6 K(OH) = 4 KBr + 2 KBrO3 + 3 H2
Pb + Ag(C2H3O2) = Pb4(C2H3O2) + Ag =>
4 Pb + Ag(C2H3O2) = Pb4(C2H3O2) + Ag
VO{+2} + IO3{-} + OH{-} = VO3{-} + I{-} + H2O =>
6 VO{+2} + IO3{-} + 18 OH{-} = 6 VO3{-} + I{-} + 9 H2O
I + F2 = IF =>
2 I + F2 = 2 IF
Cu(OH)2 + NaOH = Na2[Cu(OH)4] =>
Cu(OH)2 + 2 NaOH = Na2[Cu(OH)4]
K2Cr2O7 + H2SO4 + Al = Al2(SO4)3 + H2O + K2SO4 + CrSO4 =>
3 K2Cr2O7 + 21 H2SO4 + 8 Al = 4 Al2(SO4)3 + 21 H2O + 3 K2SO4 + 6 CrSO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb(SO4)2 + Fe(NO3)3 = Pb(NO3)4 + Fe2(SO4)3 =>
3 Pb(SO4)2 + 4 Fe(NO3)3 = 3 Pb(NO3)4 + 2 Fe2(SO4)3
PB(No3)2 + KI = PBI2 + KNo3 =>
PB(No3)2 + 2 KI = PBI2 + 2 KNo3
Cr2O3 + NaOH = Cr2O4 + Na + H2 =>
2 Cr2O3 + 2 NaOH = 2 Cr2O4 + 2 Na + H2
CH6N2 + O2 = N2 + CO2 + H2O =>
2 CH6N2 + 5 O2 = 2 N2 + 2 CO2 + 6 H2O
FeSO4 + K2C2O4 = KSO4 + Fe2(C2O4) =>
2 FeSO4 + K2C2O4 = 2 KSO4 + Fe2(C2O4)
CuCl2 + CuSO4 = Cu2 + ClSO4 =>
2 CuCl2 + 4 CuSO4 = 3 Cu2 + 4 ClSO4
KOH(aq) + NiCl2(aq) = Ni(OH)2 + KCl =>
2 KOH(aq) + NiCl2(aq) = Ni(OH)2 + 2 KCl
Na2C2O4 + H2O = HC2O4{-} + OH{-} + Na{+} =>
Na2C2O4 + H2O = HC2O4{-} + OH{-} + 2 Na{+}
H3PO4 + ZnSO4 = Zn(H2PO4)2 + H2SO4 =>
2 H3PO4 + ZnSO4 = Zn(H2PO4)2 + H2SO4
CuO2 + C = Cu + CO4 =>
2 CuO2 + C = 2 Cu + CO4
N2O + Cu = CuO + N2 =>
N2O + Cu = CuO + N2
C10H16O + O2 = CO + H2O =>
2 C10H16O + 17 O2 = 20 CO + 16 H2O
CH3CH2COOH + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 CH3CH2COOH + 14 KMnO4 + 21 H2SO4 = 15 CO2 + 7 K2SO4 + 14 MnSO4 + 36 H2O
HNO3 + C2H6O + K2Cr2O7 = KNO3 + C2H4O + H2O + Cr(NO3)3 =>
8 HNO3 + 3 C2H6O + K2Cr2O7 = 2 KNO3 + 3 C2H4O + 7 H2O + 2 Cr(NO3)3
H3(PO4) + Cu(OH)2 = H2O + Cu3(PO4)2 =>
2 H3(PO4) + 3 Cu(OH)2 = 6 H2O + Cu3(PO4)2
Fe(NO3)3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K(NO3)(aq) =>
4 Fe(NO3)3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 K(NO3)(aq)
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
FeCl3 + NH4OH = H3FeO3 + NH4Cl =>
FeCl3 + 3 NH4OH = H3FeO3 + 3 NH4Cl
C6H5NH2 + O2 = CO2 + H2O + N2 =>
4 C6H5NH2 + 31 O2 = 24 CO2 + 14 H2O + 2 N2
C2H5OH + Na = H2 + C2H5ONa =>
2 C2H5OH + 2 Na = H2 + 2 C2H5ONa
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Fe2O3 + KClO3 + KOH = K2FeO4 + H2O + KCl =>
Fe2O3 + KClO3 + 4 KOH = 2 K2FeO4 + 2 H2O + KCl
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Hg{+2} + H2S = Hg + S8 + H{+} =>
8 Hg{+2} + 8 H2S = 8 Hg + S8 + 16 H{+}
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