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2 HI + ZnCO3 = ZnI2 + H2O + CO2
C + HCl = CHCl =>
C + HCl = CHCl
Ag + KI = AgI + K =>
Ag + KI = AgI + K
Cu + Ag(NO3)3 = Ag + Cu(NO3) =>
3 Cu + Ag(NO3)3 = Ag + 3 Cu(NO3)
CH3NH3Cl + KOH = H2O + KCl + CH3NH2 =>
CH3NH3Cl + KOH = H2O + KCl + CH3NH2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
CaCO3 + H2O = Ca(OH)2 + CO2 =>
CaCO3 + H2O = Ca(OH)2 + CO2
CoCl2 + (NH4)3PO4 = CoPO4 + (NH4)3Cl2 =>
CoCl2 + (NH4)3PO4 = CoPO4 + (NH4)3Cl2
(NH4)I + Ag(NO3) = (NH4)NO3 + AgI =>
(NH4)I + Ag(NO3) = (NH4)NO3 + AgI
RbOH + H2SO4 = H2O + RbHSO4 =>
RbOH + H2SO4 = H2O + RbHSO4
FeCl3 + NaOH = Fe(OH)3 + Na3(Cl)3 =>
FeCl3 + 3 NaOH = Fe(OH)3 + Na3(Cl)3
Cu + Na2Co3 = CuCo3 + Na =>
Cu + Na2Co3 = CuCo3 + 2 Na
HO = H2O2 =>
2 HO = H2O2
HCOOH + CH3OH = HCOOCH3 + H2O =>
HCOOH + CH3OH = HCOOCH3 + H2O
NaOH + KBr = KOH + NaBr =>
NaOH + KBr = KOH + NaBr
NH3 + OH = N2H4 + H2O =>
2 NH3 + 2 OH = N2H4 + 2 H2O
SrCO3 + CH3COOH = Sr(C2H3O2)2 + H2O + CO2 =>
SrCO3 + 2 CH3COOH = Sr(C2H3O2)2 + H2O + CO2
KMnO4(aq) + H2C2O4(aq) + HCl(aq) = MnCl2(aq) + CO2(g) + KCl(aq) + H2O(l) =>
2 KMnO4(aq) + 5 H2C2O4(aq) + 6 HCl(aq) = 2 MnCl2(aq) + 10 CO2(g) + 2 KCl(aq) + 8 H2O(l)
PbO2 + NaOH = Pb(OH)4 + Na2O =>
PbO2 + 4 NaOH = Pb(OH)4 + 2 Na2O
MgSiO3 + H2O = Mg3Si2O5(OH)4 + SiO2 =>
3 MgSiO3 + 2 H2O = Mg3Si2O5(OH)4 + SiO2
MgSO4 + H2SO4 = Mg(HSO4)2 =>
MgSO4 + H2SO4 = Mg(HSO4)2
Hg + S = Hg2S =>
2 Hg + S = Hg2S
KOH(aq) + CuSO4(aq) = K2SO4(s) + Cu(OH)2(aq) =>
2 KOH(aq) + CuSO4(aq) = K2SO4(s) + Cu(OH)2(aq)
Co + AgNO3 = Co(NO3)2 + Ag =>
Co + 2 AgNO3 = Co(NO3)2 + 2 Ag
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
NH4Cl + K2(HgI4) + KOH = (OHg2NH2)I + KI + KCl + H2O =>
NH4Cl + 2 K2(HgI4) + 4 KOH = (OHg2NH2)I + 7 KI + KCl + 3 H2O
MnCl2 + PbO2 + HNO3 = HMnO4 + PbCl2 + Pb(NO3)2 + H2O =>
2 MnCl2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 2 PbCl2 + 3 Pb(NO3)2 + 2 H2O
CuCl2 + NH3 + H2O = [Cu(NH3)4](OH)2 + NH4Cl =>
CuCl2 + 6 NH3 + 2 H2O = [Cu(NH3)4](OH)2 + 2 NH4Cl
Cu(OH)4 = CuO2 + H2O =>
Cu(OH)4 = CuO2 + 2 H2O
Cl2 + O3 = ClO2 =>
3 Cl2 + 4 O3 = 6 ClO2
N2(s) + O2(g) = NO2(g) =>
N2(s) + 2 O2(g) = 2 NO2(g)
Fe + Mg{2+} = Fe{3+} + Mg =>
2 Fe + 3 Mg{2+} = 2 Fe{3+} + 3 Mg
Mg + LiF = MgF2 + Li =>
Mg + 2 LiF = MgF2 + 2 Li
Cu(s) + HNO3(l) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(l) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
NaBr + H2O = NaBrO3 + H2 =>
NaBr + 3 H2O = NaBrO3 + 3 H2
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
S2O3 = S + SO2 =>
2 S2O3 = S + 3 SO2
M{3+} + e = M{2+} =>
M{3+} + e = M{2+}
Cr2(SO4)3 + K2SO4 + I2 + H2O = K2Cr2O7 + KI + H2SO4 =>
Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O = K2Cr2O7 + 6 KI + 7 H2SO4
H2S + Na2SO3 = H2SO4 + Na2S =>
3 H2S + 4 Na2SO3 = 3 H2SO4 + 4 Na2S
Cu + ZnS = Cu2S + Zn =>
2 Cu + ZnS = Cu2S + Zn
MgBr2(aq) + NaOH(aq) = Mg(OH)2 + NaBr =>
MgBr2(aq) + 2 NaOH(aq) = Mg(OH)2 + 2 NaBr
Ti + H2SO4 = TiSO4 + H2 =>
Ti + H2SO4 = TiSO4 + H2
Cu(s) + AgNO3(ac) = Cu(NO3)2(ac) + Ag(s) =>
Cu(s) + 2 AgNO3(ac) = Cu(NO3)2(ac) + 2 Ag(s)
CaC2O4 = Ca + C2O4 =>
CaC2O4 = Ca + C2O4
U + F = UF4 =>
U + 4 F = UF4
Cl2(g) + KI(s) = KCl(s) + I2(g) =>
Cl2(g) + 2 KI(s) = 2 KCl(s) + I2(g)
Li(s) + CuCl2(aq) = LiCl(aq) + Cu(s) =>
2 Li(s) + CuCl2(aq) = 2 LiCl(aq) + Cu(s)
C3H6 + HCl = C3H7Cl =>
C3H6 + HCl = C3H7Cl
NaBr + H2O = NaBrO3 + H2 =>
NaBr + 3 H2O = NaBrO3 + 3 H2
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