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4 P + 5 O2 = 2 P2O5
Co2 + S = CoS =>
Co2 + 2 S = 2 CoS
Cr + KMnO4 = K2CrO4 + MnO2 =>
Cr + 2 KMnO4 = K2CrO4 + 2 MnO2
CH3SH + NaOCl = CH3SO3H + NaCl =>
CH3SH + 3 NaOCl = CH3SO3H + 3 NaCl
C3H8O + Cr2O7{2-} + H{+} = C3H6O + Cr{3+} + H2O =>
3 C3H8O + Cr2O7{2-} + 8 H{+} = 3 C3H6O + 2 Cr{3+} + 7 H2O
C2H5CHCHCH2CH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
5 C2H5CHCHCH2CH3 + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 18 H2O + 12 MnSO4 + 6 K2SO4
[Cu(NH3)4]SO4 = CuSO4 + NH3 =>
[Cu(NH3)4]SO4 = CuSO4 + 4 NH3
Ca{+} + CO3{-} = CaCO3 =>
Ca{+} + CO3{-} = CaCO3
C3H8O + Cr2O7{2-} + H{+} = C3H6O2 + Cr{3+} + H2O =>
3 C3H8O + 2 Cr2O7{2-} + 16 H{+} = 3 C3H6O2 + 4 Cr{3+} + 11 H2O
Hg2(NO3)2 + HCl = Hg(NO3)HCl =>
Hg2(NO3)2 + 2 HCl = 2 Hg(NO3)HCl
FeS + H2O2 = FeO + SO2 + H2O =>
FeS + 3 H2O2 = FeO + SO2 + 3 H2O
HgO + P2O5 = Hg3(PO4)2 =>
3 HgO + P2O5 = Hg3(PO4)2
(NH4)2Cr2 + O7 = Cr2O3 + H2O + N2 =>
(NH4)2Cr2 + O7 = Cr2O3 + 4 H2O + N2
Al2O3 + HI = AlI3 + H2O =>
Al2O3 + 6 HI = 2 AlI3 + 3 H2O
Pb(NO3)2 + Na2(SO4) = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2(SO4) = PbSO4 + 2 NaNO3
Na2CO3 + H2O2 = Na2O2 + CO2 + H2O =>
Na2CO3 + H2O2 = Na2O2 + CO2 + H2O
Cu + NH4OH = CuOH + NH4 =>
Cu + NH4OH = CuOH + NH4
KMnO4 + KCl + H2SO4 = MnO2 + K2SO4 + H2O + Cl =>
KMnO4 + 3 KCl + 2 H2SO4 = MnO2 + 2 K2SO4 + 2 H2O + 3 Cl
C2H6 + NaOH = C2H5OH + Na + H2O =>
C2H6 + 2 NaOH = C2H5OH + 2 Na + H2O
Cu + NH4OH = Cu(OH)2 + NH3 + H2 =>
Cu + 2 NH4OH = Cu(OH)2 + 2 NH3 + H2
K + SO3 = K(SO3)3 =>
K + 3 SO3 = K(SO3)3
CaOCl2 + H2SO4 = CaSO4 + CaCl2 + HOCl =>
2 CaOCl2 + H2SO4 = CaSO4 + CaCl2 + 2 HOCl
NH4Br + H3PO4 = (NH4)3PO4 + HBr =>
3 NH4Br + H3PO4 = (NH4)3PO4 + 3 HBr
Cu + NH4OH = CuNH4OH =>
Cu + NH4OH = CuNH4OH
CuCl2*2H2O + S = SCl2 + Cu + H2O =>
CuCl2*2H2O + S = SCl2 + Cu + 2 H2O
N2F4 + N4 + H2O = NH4F + H3NO4 =>
10 N2F4 + 13 N4 + 128 H2O = 40 NH4F + 32 H3NO4
Cu + NH4OH = Cu(NH3)4 + H2O =>
Cu + 4 NH4OH = Cu(NH3)4 + 4 H2O
Fe(SCN)3 + NaF = NaSCN + FeF3 =>
Fe(SCN)3 + 3 NaF = 3 NaSCN + FeF3
AgNO3 + K2SO4 = Ag2SO4 + NO3K =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 NO3K
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NaOH + C6H4(COOH)2 = NaC6H3(COOH)2 + H2O =>
NaOH + C6H4(COOH)2 = NaC6H3(COOH)2 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu + NH4OH = Cu(NH3)2 + H2O =>
Cu + 2 NH4OH = Cu(NH3)2 + 2 H2O
AlCl3 + H2O = Al2O3 + HCl =>
2 AlCl3 + 3 H2O = Al2O3 + 6 HCl
Cu + NH4OH = [Cu(NH3)4] + H2O =>
Cu + 4 NH4OH = [Cu(NH3)4] + 4 H2O
Cr(NO3)3 + Sr(OH)2 = Cr(OH)3 + Sr(NO3)2 =>
2 Cr(NO3)3 + 3 Sr(OH)2 = 2 Cr(OH)3 + 3 Sr(NO3)2
Cu + NH4OH = Cu(OH)2 + NH4 =>
Cu + 2 NH4OH = Cu(OH)2 + 2 NH4
HS + HMnO4 = S + MnO2 + H2O =>
3 HS + HMnO4 = 3 S + MnO2 + 2 H2O
HCl4 + P4O10 = Cl2O7 + H3PO4 + PCl3 =>
312 HCl4 + 113 P4O10 = 102 Cl2O7 + 104 H3PO4 + 348 PCl3
Na2SO3 + HClO4 = NaClO4 + H2O + SO2 =>
Na2SO3 + 2 HClO4 = 2 NaClO4 + H2O + SO2
Na2CO3 + H2O = NaOH + H2CO3 =>
Na2CO3 + 2 H2O = 2 NaOH + H2CO3
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
AlBr3 + Cl2(g) = AlCl3 + Br2(g) =>
2 AlBr3 + 3 Cl2(g) = 2 AlCl3 + 3 Br2(g)
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
AlBr3 + Cl2(g) = AlCl3 + Br =>
2 AlBr3 + 3 Cl2(g) = 2 AlCl3 + 6 Br
CH3OH + NaCl = CH3Cl + NaOH =>
CH3OH + NaCl = CH3Cl + NaOH
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
ICl + H2S2O7 = I2{+} + I(HSO4)3 + HS3O10{-} + HSO3Cl + H2SO4 =>
5 ICl + 9 H2S2O7 = 2 I2{+} + I(HSO4)3 + 2 HS3O10{-} + 5 HSO3Cl + 4 H2SO4
Cu + FeCl3 = CuCl2 + FeCl2 =>
Cu + 2 FeCl3 = CuCl2 + 2 FeCl2
Mg(OH)2 + CaHPO4 = Ca(OH)2 + HMgO4P =>
Mg(OH)2 + CaHPO4 = Ca(OH)2 + HMgO4P
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