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4 K + O2 = 2 K2O
Al + CN = Al3(CN)3 =>
3 Al + 3 CN = Al3(CN)3
CH3OH + KMnO4 + HBr = HCOOH + KBr + MnBr + H2O =>
3 CH3OH + 2 KMnO4 + 4 HBr = 3 HCOOH + 2 KBr + 2 MnBr + 5 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NH3(aq) + NaS(aq) + H2O = NH4S(aq) + NaOH(aq) =>
NH3(aq) + NaS(aq) + H2O = NH4S(aq) + NaOH(aq)
N + O + Cr = CrNO33 =>
N + 33 O + Cr = CrNO33
SO4{-} + H2O = HSO4 + OH{-} =>
SO4{-} + H2O = HSO4 + OH{-}
Ti2O + H2O = TiOH =>
Ti2O + H2O = 2 TiOH
Sb(NO3)5 = N2O5 + Sb2O5 =>
2 Sb(NO3)5 = 5 N2O5 + Sb2O5
KMnO4 + NH3*H2O = N2 + H2O + KOH + MnO2 =>
2 KMnO4 + 2 NH3*H2O = N2 + 4 H2O + 2 KOH + 2 MnO2
AgCO3 + Ca = CaCO3 + Ag =>
AgCO3 + Ca = CaCO3 + Ag
HNO3(aq) + NaOH(aq) = NaNO3 + H2O =>
HNO3(aq) + NaOH(aq) = NaNO3 + H2O
NaNO2 + CH3COOH = CH3COONa + NaNO3 + NO + H2O =>
3 NaNO2 + 2 CH3COOH = 2 CH3COONa + NaNO3 + 2 NO + H2O
ZI + K2CO3 = Z2CO3 + KI =>
2 ZI + K2CO3 = Z2CO3 + 2 KI
Cl2 + In = In{3+} + Cl{-} =>
3 Cl2 + 2 In = 2 In{3+} + 6 Cl{-}
SrBr2 + CaCO3 = SrCO3 + CaBr2 =>
SrBr2 + CaCO3 = SrCO3 + CaBr2
Cu(NO3)2(aq) + Na3PO4(aq) = CuPO4(s) + Na3(NO3)2(aq) =>
Cu(NO3)2(aq) + Na3PO4(aq) = CuPO4(s) + Na3(NO3)2(aq)
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
BaCl + Na(SO4)2 = NaCl + Ba(SO4)2 =>
BaCl + Na(SO4)2 = NaCl + Ba(SO4)2
Na2HAsO4 + CaCl2 = NaCl + Ca3As2O8 + HCl =>
2 Na2HAsO4 + 3 CaCl2 = 4 NaCl + Ca3As2O8 + 2 HCl
Cu(OH)2 + CO2 = CuCO3*Cu(OH)2 + H2O =>
2 Cu(OH)2 + CO2 = CuCO3*Cu(OH)2 + H2O
FeCl3 + I2 = FeI3 + Cl =>
2 FeCl3 + 3 I2 = 2 FeI3 + 6 Cl
KIO3 + Na(S2O3) = NaIO3 + K(S2O3) =>
KIO3 + Na(S2O3) = NaIO3 + K(S2O3)
KMnO4 + NaOH = Na2MnO4 + O2 + H2O + KOH =>
4 KMnO4 + 8 NaOH = 4 Na2MnO4 + O2 + 2 H2O + 4 KOH
C + Cl + Al2O3 = CO + AlCl3 =>
3 C + 6 Cl + Al2O3 = 3 CO + 2 AlCl3
ZnBr2 + K3[Fe(Cn)6] = Zn3[Fe(Cn)6]2 + KBr =>
3 ZnBr2 + 2 K3[Fe(Cn)6] = Zn3[Fe(Cn)6]2 + 6 KBr
FeCl2 + H2O + CO2 = FeCO3 + HCl =>
FeCl2 + H2O + CO2 = FeCO3 + 2 HCl
CH4C4H8 + O2 = CO2 + H2O =>
CH4C4H8 + 8 O2 = 5 CO2 + 6 H2O
NaH2PO4 + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
NaH2PO4 + 2 NaOH(aq) = Na3PO4(aq) + 2 H2O(l)
K2Cr2O7 + SnCl2 + H2SO4 = K2SO4 + Cr2(SO4)3 + Sn(SO4)2 + Cl2 + H2O =>
2 K2Cr2O7 + 3 SnCl2 + 14 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Sn(SO4)2 + 3 Cl2 + 14 H2O
(NH4)2SO3 + KOH = K2SO3 + H2O + NH3 =>
(NH4)2SO3 + 2 KOH = K2SO3 + 2 H2O + 2 NH3
Al + NiNi(NO3)2 = NiAl + Al(NO3)2 =>
3 Al + NiNi(NO3)2 = 2 NiAl + Al(NO3)2
Sn(NO3)4 + K2SO3 = KNO3 + Sn(SO3)2 =>
Sn(NO3)4 + 2 K2SO3 = 4 KNO3 + Sn(SO3)2
C57H104O6 + H2O = C17H33COOH + C3H8O3 =>
C57H104O6 + 3 H2O = 3 C17H33COOH + C3H8O3
F + O2 = F2O3 =>
4 F + 3 O2 = 2 F2O3
P4O10(s) = P4(s) + O2(g) =>
P4O10(s) = P4(s) + 5 O2(g)
B2S3(s) + H2O(l) = (H3BO3)(aq) + H2S(g) =>
B2S3(s) + 6 H2O(l) = 2(H3BO3)(aq) + 3 H2S(g)
SO2 + NaClO3 + H2O = H2SO4 + NaCl =>
3 SO2 + NaClO3 + 3 H2O = 3 H2SO4 + NaCl
CrCl3 + KOH + KClO3 = KCl + K2CrO4 + H2O =>
2 CrCl3 + 10 KOH + KClO3 = 7 KCl + 2 K2CrO4 + 5 H2O
Fe(s) + Ag(NO3)(aq) = Fe(NO3)2(aq) + Ag(s) =>
Fe(s) + 2 Ag(NO3)(aq) = Fe(NO3)2(aq) + 2 Ag(s)
Fe + O3 = Fe3O4(FeO*Fe2O3) =>
18 Fe + 8 O3 = 3 Fe3O4(FeO*Fe2O3)
Na2SO4(aq) + BaCl2(aq) = BaSO4(s) + NaCl(s) =>
Na2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 NaCl(s)
C8H18 + O = CO + H2O =>
C8H18 + 17 O = 8 CO + 9 H2O
C7H5Cl + O2 = CO2 + H2O + Cl2O7 =>
2 C7H5Cl + 20 O2 = 14 CO2 + 5 H2O + Cl2O7
Fe + CO = Fe(CO)6 =>
Fe + 6 CO = Fe(CO)6
K2Cr2O7 + H2SO4 + Na2SO3 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 4 H2O
HNO2 + H2O = H3O + NO3 =>
HNO2 + 4 H2O = 3 H3O + NO3
P(s) + O2(g) = P2O5(g) =>
4 P(s) + 5 O2(g) = 2 P2O5(g)
Pb(s) + Mg(NO3)2(aq) = PbNO3(aq) + Mg(s) =>
2 Pb(s) + Mg(NO3)2(aq) = 2 PbNO3(aq) + Mg(s)
Zn2(SO4)2 + Na3PO4 = Na2SO4 + Zn3(PO4)2 =>
3 Zn2(SO4)2 + 4 Na3PO4 = 6 Na2SO4 + 2 Zn3(PO4)2
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