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PbS + Zn = Pb + ZnS
K2O + H2O = H2O2 + K =>
K2O + H2O = H2O2 + 2 K
P + Br = PBr3 =>
P + 3 Br = PBr3
Pb(NO3)2 + Na2(CO3) = Na(NO3) + Pb(CO3) =>
Pb(NO3)2 + Na2(CO3) = 2 Na(NO3) + Pb(CO3)
C2H6 + H2SO4 = C2H6SO3 + H2O =>
C2H6 + H2SO4 = C2H6SO3 + H2O
Pb + Co = Pb(Co)3 =>
Pb + 3 Co = Pb(Co)3
S8(s) + Cl2(g) = Cl2S(l) =>
S8(s) + 8 Cl2(g) = 8 Cl2S(l)
O2 + N2 + CH4 = CO2 + NH3 =>
3 O2 + 2 N2 + 3 CH4 = 3 CO2 + 4 NH3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaHCO3 + HOH = NaHOH + CO3H =>
NaHCO3 + HOH = NaHOH + CO3H
C + O2 = CO =>
2 C + O2 = 2 CO
Zn + KI = ZnKI =>
Zn + KI = ZnKI
FeO + K2Cr2O7 + H2SO4 = Fe2O3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeO + K2Cr2O7 + 4 H2SO4 = 3 Fe2O3 + Cr2(SO4)3 + K2SO4 + 4 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CuS04 + PbNO3 = CuNO3 + PbS04 =>
CuS04 + PbNO3 = CuNO3 + PbS04
BaCl2 + Li2(CrO4) = Ba(CrO4) + LiCl =>
BaCl2 + Li2(CrO4) = Ba(CrO4) + 2 LiCl
Nd2Fe14B1 + O2 = Nd2O3 + FeB + Fe2O3 =>
4 Nd2Fe14B1 + 45 O2 = 4 Nd2O3 + 4 FeB + 26 Fe2O3
(NH4)2HPO4 + KOH = NH3 + K2HPO4 + H2O =>
(NH4)2HPO4 + 2 KOH = 2 NH3 + K2HPO4 + 2 H2O
H2C2O4 + KMnO4 + H2SO4 = CO2 + H2O + MnO2 + K2SO4 =>
3 H2C2O4 + 2 KMnO4 + H2SO4 = 6 CO2 + 4 H2O + 2 MnO2 + K2SO4
Cr(OH)2 + H3PO4 = Cr3(PO4)2 + H2O =>
3 Cr(OH)2 + 2 H3PO4 = Cr3(PO4)2 + 6 H2O
Fe2O3FeI2 + S = Fe3O4 + SIO2 + FeI2 =>
16 Fe2O3FeI2 + 2 S = 11 Fe3O4 + 2 SIO2 + 15 FeI2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH2O2 + CaCO3 = HCOOH(CaO) + CO2 =>
CH2O2 + CaCO3 = HCOOH(CaO) + CO2
Li2O + Pb = PbO + Li =>
Li2O + Pb = PbO + 2 Li
C12H10Mg2Br2 + C8H8O2 = C19H16O + MgBr + H2O =>
18 C12H10Mg2Br2 + 11 C8H8O2 = 16 C19H16O + 36 MgBr + 6 H2O
Na2S2O3(aq) + HCl(aq) = NaCl(aq) + S(s) + H2O(l) + SO2(g) =>
Na2S2O3(aq) + 2 HCl(aq) = 2 NaCl(aq) + S(s) + H2O(l) + SO2(g)
KNO3 + C536H987N12O140 = N2 + K2O + H2O + CO2 =>
5702 KNO3 + 10 C536H987N12O140 = 2911 N2 + 2851 K2O + 4935 H2O + 5360 CO2
K2Cr2O7 + Fe + H2SO4 = Fe(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + Fe + 7 H2SO4 = Fe(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
Fe2(SO4) + NaCl = FeCl2 + Na2 + Na2SO4 =>
Fe2(SO4) + 4 NaCl = 2 FeCl2 + Na2 + Na2SO4
Na2FeO4 + H2S + H2O = FeSO4 + NaOH + H2 =>
Na2FeO4 + H2S + 2 H2O = FeSO4 + 2 NaOH + 2 H2
Zn + No{3} = Zn{2+} + No =>
3 Zn + 2 No{3} = 3 Zn{2+} + 2 No
CH3CH2CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2OC(O)CH2CH3 + H2O =>
CH3CH2CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2OC(O)CH2CH3 + H2O
CrCl3*6H2O = H2O + Cr2Cl3 + Cl =>
2 CrCl3*6H2O = 12 H2O + Cr2Cl3 + 3 Cl
K + CuCl2 = KCl + Cu2 =>
4 K + 2 CuCl2 = 4 KCl + Cu2
Mg + N9 = Mg3N2 =>
27 Mg + 2 N9 = 9 Mg3N2
CuI + NaOH = Cu(OH) + NaI =>
CuI + NaOH = Cu(OH) + NaI
S8 + KNO3 = K2SO4 + N2 + SO2 =>
S8 + 8 KNO3 = 4 K2SO4 + 4 N2 + 4 SO2
Cr2S3O12 + RbOH = CrO3H3 + Rb2SO4 =>
Cr2S3O12 + 6 RbOH = 2 CrO3H3 + 3 Rb2SO4
C6H6 + CH3CHCH2 = C6H6CH(CH3)2 =>
5 C6H6 + 8 CH3CHCH2 = 6 C6H6CH(CH3)2
Cl2O7 + CuOH = Cl(OH)7 + Cu2O =>
Cl2O7 + 14 CuOH = 2 Cl(OH)7 + 7 Cu2O
CoCl3 + PbCO3 = Co2(CO3)3 + PbCl2 =>
2 CoCl3 + 3 PbCO3 = Co2(CO3)3 + 3 PbCl2
K2Cr2O7 + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
BaCrO4 + CH3COONa = BaCr2O7 + Ba(COO) + CH3NaO =>
2 BaCrO4 + CH3COONa = BaCr2O7 + Ba(COO) + CH3NaO
Sn{4+} + Cl2 + H2O = ClO{-} + Sn{2-} + H{+} =>
Sn{4+} + 3 Cl2 + 6 H2O = 6 ClO{-} + Sn{2-} + 12 H{+}
H2CO3 + Zn(OH)2 = H2O + Zn(HCO3)2 =>
2 H2CO3 + Zn(OH)2 = 2 H2O + Zn(HCO3)2
C3H7OH + K2Cr2O7 + H2SO4 = C3H5OH + Cr2(SO4)3 + K3SO4 + H2O =>
10 C3H7OH + 3 K2Cr2O7 + 11 H2SO4 = 10 C3H5OH + 3 Cr2(SO4)3 + 2 K3SO4 + 21 H2O
HBr + NaMnO4 = NaBr2 + MnBr2 + Br2 + H2O =>
8 HBr + NaMnO4 = NaBr2 + MnBr2 + 2 Br2 + 4 H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
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