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3 H2C2O4 + 2 KMnO4 = 6 CO2 + K2O + 2 MnO2 + 3 H2O
An2S3 + HCl = AnCl3 + H2S =>
An2S3 + 6 HCl = 2 AnCl3 + 3 H2S
CaBr2 + Na3N = Ca3N2 + NaBr =>
3 CaBr2 + 2 Na3N = Ca3N2 + 6 NaBr
KMnO4 + K2SO3 + NaOH = K2MnO4 + K2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + K2SO3 + 2 NaOH = K2MnO4 + K2SO4 + Na2MnO4 + H2O
Pb(s) + PbO2(s) + H2SO4(aq) = PbSO4(s) + H2O(l) =>
Pb(s) + PbO2(s) + 2 H2SO4(aq) = 2 PbSO4(s) + 2 H2O(l)
AgCl + ZnBr2 = AgBr + ZnCl2 =>
2 AgCl + ZnBr2 = 2 AgBr + ZnCl2
Zn2 + H2O = H2 + Zn(OH) =>
Zn2 + 2 H2O = H2 + 2 Zn(OH)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CaCO3(s) + H2SO4(l) = CaSO4(s) + H2O + CO2(g) =>
CaCO3(s) + H2SO4(l) = CaSO4(s) + H2O + CO2(g)
NiCl2(s) + O2(g) = NiO(s) + Cl2O5(g) =>
NiCl2(s) + 3 O2(g) = NiO(s) + Cl2O5(g)
Mn(NO3)2 + Na2SO3 = MnSO3 + Na2(NO3)2 =>
Mn(NO3)2 + Na2SO3 = MnSO3 + Na2(NO3)2
Hg(NO3)2 + CuCl2 = HgCl2 + Cu(NO3)2 =>
Hg(NO3)2 + CuCl2 = HgCl2 + Cu(NO3)2
K2FeO4 + HCl = KCl + FeCl3 + O2 + H2O =>
4 K2FeO4 + 20 HCl = 8 KCl + 4 FeCl3 + 3 O2 + 10 H2O
C2H5OH + CH3COOH = C4H8O2 + H2O =>
C2H5OH + CH3COOH = C4H8O2 + H2O
AgNO3 + Al(NO3)3 + KNO3 + CH3OH = AgAlO2 + CO2 + KOH + NO2 =>
AgNO3 + Al(NO3)3 + 8 KNO3 + 2 CH3OH = AgAlO2 + 2 CO2 + 8 KOH + 12 NO2
CH3COONa + NaOH + CaO = Na2CO2 + Ca(OH)2 + CH4 =>
3 CH3COONa + 5 NaOH + 3 CaO = 4 Na2CO2 + 3 Ca(OH)2 + 2 CH4
H3CCOOH + NH4OH = NH4H3CCOO + H2O =>
H3CCOOH + NH4OH = NH4H3CCOO + H2O
Al(s) + ZnCl2(aq) = AlCl2 + Zn =>
Al(s) + ZnCl2(aq) = AlCl2 + Zn
CH2O + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
CH2O + 4 Cu(OH)2 + 2 NaOH = Na2CO3 + 2 Cu2O + 6 H2O
Mo(HCO3)6 = Mo(CO3)3 + H2O + CO2 =>
Mo(HCO3)6 = Mo(CO3)3 + 3 H2O + 3 CO2
C12H23 + O2 = CO2 + H2O =>
4 C12H23 + 71 O2 = 48 CO2 + 46 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
AgNO3 + NaH = Ag + NaNO3 + HNO3 =>
2 AgNO3 + NaH = 2 Ag + NaNO3 + HNO3
NaOH + Cu(SO4) = Na2SO4 + Cu(OH)2 =>
2 NaOH + Cu(SO4) = Na2SO4 + Cu(OH)2
N2 + O3 = N2O5 =>
3 N2 + 5 O3 = 3 N2O5
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
NaNO3 + ZnSO4 = Na2SO4 + Zn(NO3)2 =>
2 NaNO3 + ZnSO4 = Na2SO4 + Zn(NO3)2
HS = H + S =>
HS = H + S
SIO2(s) + C(s) = SI(s) + CO(g) =>
SIO2(s) + 2 C(s) = SI(s) + 2 CO(g)
K3[Fe(CN)6] + Ba(NO3)2 = KO + Fe2O3 + CO2 + N2 + BaO =>
10 K3[Fe(CN)6] + 33 Ba(NO3)2 = 30 KO + 5 Fe2O3 + 60 CO2 + 63 N2 + 33 BaO
CH3COOH + Ca(OH)2 = Ca(CH3COO)2 + H2O =>
2 CH3COOH + Ca(OH)2 = Ca(CH3COO)2 + 2 H2O
HgNO3{2} + KI = HgI{2} + KNO3 =>
HgNO3{2} + KI = HgI{2} + KNO3
PbO2 + HI = I2 + PbI2 + H2O =>
PbO2 + 4 HI = I2 + PbI2 + 2 H2O
KMnO4 + MnSO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
Mn2{+} + Cl2 + H2O = MnO2 + Cl{-} + H{+} =>
2 Mn2{+} + 7 Cl2 + 8 H2O = 4 MnO2 + 14 Cl{-} + 16 H{+}
KI + (Pb(CH3COO)2) = K(CH3COO)2 + PbI =>
KI + (Pb(CH3COO)2) = K(CH3COO)2 + PbI
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
HCH3COO + NaHCO3 = NaCH3COO + H2O + CO2 =>
HCH3COO + NaHCO3 = NaCH3COO + H2O + CO2
NaOH + AlCl3 = Al(OH)3 + NaCl =>
3 NaOH + AlCl3 = Al(OH)3 + 3 NaCl
CuSO4 + A1 = A12(SO4)3 + Cu =>
3 CuSO4 + 12 A1 = A12(SO4)3 + 3 Cu
Ca(OH)2 + FeCl2 = CaCl2 + Fe(OH)2 =>
Ca(OH)2 + FeCl2 = CaCl2 + Fe(OH)2
NaHCO3 + H3C6H5O7 = Na3C6H5O7 + H2CO3 = Na3C6H5O7 + CO2 + H2O =>
3 NaHCO3 + H3C6H5O7 = Na3C6H5O7 + 3 H2CO3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H3PO4 + Al(OH)3 = (Al(OH)2)3PO4 + H2O =>
H3PO4 + 3 Al(OH)3 = (Al(OH)2)3PO4 + 3 H2O
C6H5CH3 + KMnO4 = C6H5COOKC6H5CH3 + MnO2 + KOH + H2O =>
2 C6H5CH3 + 2 KMnO4 = C6H5COOKC6H5CH3 + 2 MnO2 + KOH + H2O
K2Cr2O7 + Na2SO3 + KOH = K2SO4 + K2CrO3 + Na2CrO4 + H2O =>
K2Cr2O7 + Na2SO3 + 2 KOH = K2SO4 + K2CrO3 + Na2CrO4 + H2O
Mg + H2SO4 = MgSO4 + H =>
Mg + H2SO4 = MgSO4 + 2 H
Cl2 + He = HeCl =>
Cl2 + 2 He = 2 HeCl
FeCl2(aq) + K2Cr2O7(aq) + HCl(aq) = FeCl3(aq) + KCl(aq) + CrCl3(aq) + H2O(l) =>
6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) = 6 FeCl3(aq) + 2 KCl(aq) + 2 CrCl3(aq) + 7 H2O(l)
C7H6O3 + CH3OH = C8H9O3 + H2O =>
13 C7H6O3 + 21 CH3OH = 14 C8H9O3 + 18 H2O
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