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Al + PbCl = AlCl + Pb
NaCrO2 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 NaCrO2 + 2 NaOH + 3 H2O2 = 2 Na2CrO4 + 4 H2O
Cu(s) + AgNO3(aq) = CuNO3(aq) + Ag(s) =>
Cu(s) + AgNO3(aq) = CuNO3(aq) + Ag(s)
CuS + O2 = Cu2O + SO2 =>
4 CuS + 5 O2 = 2 Cu2O + 4 SO2
CH3CHClCH3 + CHCHCHCHCHCH = (CH3)2CHCHCHCHCHCHCl =>
6 CH3CHClCH3 + 5 CHCHCHCHCHCH = 6(CH3)2CHCHCHCHCHCHCl
H2SO4(ac) + Cu(s) = CuSO4(ac) + SO2(g) + H2O(l) =>
2 H2SO4(ac) + Cu(s) = CuSO4(ac) + SO2(g) + 2 H2O(l)
NiCl2 + NaHCO3 = NiCO3 + NaCl + H2O + CO2 =>
NiCl2 + 2 NaHCO3 = NiCO3 + 2 NaCl + H2O + CO2
Cu2O + NH4OH = Cu(NH3)2(OH) + H2O =>
Cu2O + 4 NH4OH = 2 Cu(NH3)2(OH) + 3 H2O
Al2(CO3)3 + C2H4O2 = Al(C2H3O2)3 + CO2 + H2O =>
Al2(CO3)3 + 6 C2H4O2 = 2 Al(C2H3O2)3 + 3 CO2 + 3 H2O
BeSO4 + KOH = K2[Be(OH)4] + K2SO4 =>
BeSO4 + 4 KOH = K2[Be(OH)4] + K2SO4
C3H6O(l) + O2(g) = CO2(g) + H20(g) =>
10 C3H6O(l) + 25 O2(g) = 30 CO2(g) + 3 H20(g)
Al2S3(s) + H2O = Al(OH)3(aq) + H2S =>
Al2S3(s) + 6 H2O = 2 Al(OH)3(aq) + 3 H2S
AlC2H3O2 + NH4Br = AlBr + NH4C2H3O2 =>
AlC2H3O2 + NH4Br = AlBr + NH4C2H3O2
Pb(s) + Cd(NO3)2(aq) = Pb(NO3)3(aq) + Cd(s) =>
2 Pb(s) + 3 Cd(NO3)2(aq) = 2 Pb(NO3)3(aq) + 3 Cd(s)
Cu(s) + AgNo3(aq) = Cu(No3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNo3(aq) = Cu(No3)2(aq) + 2 Ag(s)
FeO + O2 = Fe3O4 =>
6 FeO + O2 = 2 Fe3O4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ca3N2 + O2 = CaO + N2O5 =>
Ca3N2 + 4 O2 = 3 CaO + N2O5
AgCl + MgSO4 = Ag2SO4 + MgCl2 =>
2 AgCl + MgSO4 = Ag2SO4 + MgCl2
C6H5OH + CuO = CO2 + H2O + Cu =>
C6H5OH + 14 CuO = 6 CO2 + 3 H2O + 14 Cu
Sr(HSO3)2 + KOH = Sr(OH)2 + KHSO3 =>
Sr(HSO3)2 + 2 KOH = Sr(OH)2 + 2 KHSO3
C12H21Cl3 + O2 = CO2 + H2O + HCl =>
2 C12H21Cl3 + 33 O2 = 24 CO2 + 18 H2O + 6 HCl
KHCO3 + HCl = H2CO3 + KCl =>
KHCO3 + HCl = H2CO3 + KCl
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HClO4 + SO2 + H2O = HSO4 + HCl =>
3 HClO4 + 8 SO2 + 4 H2O = 8 HSO4 + 3 HCl
HCI + Na2S = NaCI + H2S =>
2 HCI + Na2S = 2 NaCI + H2S
KOH + Na = K + NaOH =>
KOH + Na = K + NaOH
C3H10 + O2 = CO + H2O =>
C3H10 + 4 O2 = 3 CO + 5 H2O
K + HClO3 = KClO3 + H =>
K + HClO3 = KClO3 + H
Fe(OH)3 + Cl2 = FeCl3 + Fe(OCl3)3 + H2O =>
2 Fe(OH)3 + 6 Cl2 = FeCl3 + Fe(OCl3)3 + 3 H2O
C5H8 + Cl2 = C5H8Cl4 =>
C5H8 + 2 Cl2 = C5H8Cl4
[Cu(NH3)4]{+2} + Br2 = Cu{2+} + N2 + NH4Br =>
2[Cu(NH3)4]{+2} + 3 Br2 = 2 Cu{2+} + N2 + 6 NH4Br
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Fe2O3 + CO = FeO + CO2 =>
Fe2O3 + CO = 2 FeO + CO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe2O3 + Na2CO3 = Na2O*Fe2O3 + CO2 =>
Fe2O3 + Na2CO3 = Na2O*Fe2O3 + CO2
OH{-} + As2S3 + H2O2 = AsO4{3-} + SO4{2-} + H2O =>
12 OH{-} + As2S3 + 14 H2O2 = 2 AsO4{3-} + 3 SO4{2-} + 20 H2O
H3BO3 + CH3CH2OH = B(OCH3)3 + H2O =>
2 H3BO3 + 3 CH3CH2OH = 2 B(OCH3)3 + 3 H2O
Cl2 + C2H4 = C2H3Cl + HCl =>
Cl2 + C2H4 = C2H3Cl + HCl
Zn + HI = HZnI =>
Zn + HI = HZnI
C2H5MgI + CH3OH = C2H5OMgI + CH4 =>
C2H5MgI + CH3OH = C2H5OMgI + CH4
K2Cr2O7 + NaOH = K2CrO4 + H2O + Na2CrO4 =>
K2Cr2O7 + 2 NaOH = K2CrO4 + H2O + Na2CrO4
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
KNO3 + NaCO3 = KCO3 + Na + NO3 =>
KNO3 + NaCO3 = KCO3 + Na + NO3
KI + Pb(NO3)2 = K(NO3) + PbI2 =>
2 KI + Pb(NO3)2 = 2 K(NO3) + PbI2
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CaCO3 + HC2H3O = Ca(C2H3O2)2 + H2O + CO2 =>
5 CaCO3 + 8 HC2H3O = 5 Ca(C2H3O2)2 + H2O + CO2
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