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ZnS + 2 HCl = ZnCl2 + H2S
CuO + Na2CO3 = Na2CuO2 + CO2 =>
CuO + Na2CO3 = Na2CuO2 + CO2
Fe + H2O = Fe(OH)3 + H100 =>
100 Fe + 300 H2O = 100 Fe(OH)3 + 3 H100
HgO + NO2 + O2 = Hg(NO3)2 =>
2 HgO + 4 NO2 + O2 = 2 Hg(NO3)2
K2S2O8 + MnCl2 + H2O = K + H2SO4 + MnO4 + Cl =>
2 K2S2O8 + MnCl2 + 4 H2O = 4 K + 4 H2SO4 + MnO4 + 2 Cl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl3 + KH2PO4 = FePO4 + KH2(Cl3) =>
FeCl3 + KH2PO4 = FePO4 + KH2(Cl3)
SO2 + H2O = H2 + (SO3)3 =>
3 SO2 + 3 H2O = 3 H2 + (SO3)3
Na3PO4 + CaCl2 = NaCl + Ca3(PO4)2 =>
2 Na3PO4 + 3 CaCl2 = 6 NaCl + Ca3(PO4)2
K(s) + Br2(l) = KBr(s) =>
2 K(s) + Br2(l) = 2 KBr(s)
Sr(NO3)2(aq) + Na2S(aq) = SrS + NaNO3 =>
Sr(NO3)2(aq) + Na2S(aq) = SrS + 2 NaNO3
Pb(C2H3O2)2 + KCl = KC2H3O2 + PbCl2 =>
Pb(C2H3O2)2 + 2 KCl = 2 KC2H3O2 + PbCl2
CO2 + H2O = C11H12O + O2 =>
22 CO2 + 12 H2O = 2 C11H12O + 27 O2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaBO3 + HCl = NaBO2 + H2O2 + Cl =>
2 NaBO3 + 2 HCl = 2 NaBO2 + H2O2 + 2 Cl
KMnO4 = K2O + MnO + O2 = =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
FeCl3 + Zn = ZnCl2 + FeCl2 =>
2 FeCl3 + Zn = ZnCl2 + 2 FeCl2
F2 + NH3 = N2H4 + HF =>
F2 + 2 NH3 = N2H4 + 2 HF
Al + Fe2O3 = O2 + Fe2Al =>
2 Al + 2 Fe2O3 = 3 O2 + 2 Fe2Al
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Pb(OH)2 + Ba(OH)2 = H2O + BaPbO2 =>
Pb(OH)2 + Ba(OH)2 = 2 H2O + BaPbO2
CO + N2 + H2O = C3H6N6O6 =>
3 CO + 3 N2 + 3 H2O = C3H6N6O6
Pb(NO3)2 + NaOH = NaOHPb(NO3)2 =>
Pb(NO3)2 + NaOH = NaOHPb(NO3)2
H2S + BrO3 = S + Br + H2O =>
3 H2S + BrO3 = 3 S + Br + 3 H2O
PbSO4(s) + NaCl(aq) = Na2SO4(aq) + PbCl2(s) =>
PbSO4(s) + 2 NaCl(aq) = Na2SO4(aq) + PbCl2(s)
O2 + Br2Cl2 = Cl2 + Br2O =>
O2 + 2 Br2Cl2 = 2 Cl2 + 2 Br2O
CH3CH2OH + CHCl3 = CHOHCl2 + CH3CH2Cl =>
CH3CH2OH + CHCl3 = CHOHCl2 + CH3CH2Cl
COBr3 + Pb(NO3)2 = CO(NO3)3 + PbBr2 =>
2 COBr3 + 3 Pb(NO3)2 = 2 CO(NO3)3 + 3 PbBr2
HNO3 + NH4 = NH5 + NO3 =>
HNO3 + NH4 = NH5 + NO3
V + F2 = VF3 =>
2 V + 3 F2 = 2 VF3
K2CO3 + Ni(ClO3)3 = KClO3 + Ni2(CO3)3 =>
3 K2CO3 + 2 Ni(ClO3)3 = 6 KClO3 + Ni2(CO3)3
BiCl3 + H2S = Bi2S3 + HCl =>
2 BiCl3 + 3 H2S = Bi2S3 + 6 HCl
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
K1N1O3 + H2C1O3 = K2C1O3 + H1N1O3 =>
2 K1N1O3 + H2C1O3 = K2C1O3 + 2 H1N1O3
NO + PbO = PbNO2 =>
NO + PbO = PbNO2
C2H5I + Na = C4H10 + NaI =>
2 C2H5I + 2 Na = C4H10 + 2 NaI
MnSO4 + KCl = MnCl2 + K2SO4 =>
MnSO4 + 2 KCl = MnCl2 + K2SO4
C2H6 + F2 = C2F6 + HF =>
C2H6 + 6 F2 = C2F6 + 6 HF
Y + O = YO =>
Y + O = YO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
BiCl3 + H2S = Bi2S3 + HCl =>
2 BiCl3 + 3 H2S = Bi2S3 + 6 HCl
KOH(s) = K(aq)OH =>
KOH(s) = K(aq)OH
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BiCl3 + H2S = Bi2S3 + HCl =>
2 BiCl3 + 3 H2S = Bi2S3 + 6 HCl
NaClO2 + SnO + KOH + H2O = K2Sn(OH)6 + NaCl =>
NaClO2 + 2 SnO + 4 KOH + 4 H2O = 2 K2Sn(OH)6 + NaCl
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