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5 K + 2 O = K5O2
Mg(HCO3)2 + NaOH = MgCO3 + NaHCO3 + H2O =>
Mg(HCO3)2 + NaOH = MgCO3 + NaHCO3 + H2O
CaSO3 + HCl = CaCl + HSO3 =>
CaSO3 + HCl = CaCl + HSO3
SmCl3 + KF = SmF3 + KCl =>
SmCl3 + 3 KF = SmF3 + 3 KCl
C2H5ONa + HBr = NaBr + C2H6O =>
C2H5ONa + HBr = NaBr + C2H6O
KBr + HgCl2 = KCl + HgBr2 =>
2 KBr + HgCl2 = 2 KCl + HgBr2
Al4C3 + O2 = Al2O3 + C =>
Al4C3 + 3 O2 = 2 Al2O3 + 3 C
K2Cl2O7 + KOH = K2ClO4 + H2O =>
K2Cl2O7 + 2 KOH = 2 K2ClO4 + H2O
CrO + SO3 = CrO3 + SO2 =>
CrO + 2 SO3 = CrO3 + 2 SO2
Hg2CO3 + HNO3 = CO2 + H + H2O + Hg(NO3)2 =>
Hg2CO3 + 4 HNO3 = CO2 + 2 H + H2O + 2 Hg(NO3)2
K3(Fe(CN)6) + Cr2O3 + KOH = K4(Fe(CN)6) + K2CrO4 + H2O =>
6 K3(Fe(CN)6) + Cr2O3 + 10 KOH = 6 K4(Fe(CN)6) + 2 K2CrO4 + 5 H2O
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
Bi(OH)3 + H2SO4 = H2O + Bi2(SO4)3 =>
2 Bi(OH)3 + 3 H2SO4 = 6 H2O + Bi2(SO4)3
MgSO4*7H2O = MgSO4 + H + O2 =>
2 MgSO4*7H2O = 2 MgSO4 + 28 H + 7 O2
FeI + KSO4 = KI + FeSO4 =>
FeI + KSO4 = KI + FeSO4
C7H6O2 + C7H6O + C5H9N = C19H21NO3 =>
C7H6O2 + C7H6O + C5H9N = C19H21NO3
Fe{3+} + H2S = Fe{2+} + S + H{+} =>
2 Fe{3+} + H2S = 2 Fe{2+} + S + 2 H{+}
K2S + Cr2S3 = K2S3 + Cr2S =>
K2S + Cr2S3 = K2S3 + Cr2S
CH3CHO + Ba(OH)2 = CH3COOH + Ba + H2O =>
CH3CHO + Ba(OH)2 = CH3COOH + Ba + H2O
MgI2 = Mg + I2 =>
MgI2 = Mg + I2
FeI2 + Na2FeO4 + HNO3 = Fe(NO3)3 + HIO3 + NaNO3 + H2O =>
3 FeI2 + 13 Na2FeO4 + 74 HNO3 = 16 Fe(NO3)3 + 6 HIO3 + 26 NaNO3 + 34 H2O
CH3COOH + SO2 = H2SO4 + C2H2 =>
CH3COOH + SO2 = H2SO4 + C2H2
Ni(OH)2 + H2SO4 = H2O + NiSO4 =>
Ni(OH)2 + H2SO4 = 2 H2O + NiSO4
ZnO + Mg = Zn + MgO =>
ZnO + Mg = Zn + MgO
KOH + C2H5OH = C2H5OK + H2O =>
KOH + C2H5OH = C2H5OK + H2O
Mn4 + O2 = MnO4 =>
Mn4 + 8 O2 = 4 MnO4
C6H5NH2 + Br = C6NH2BrH4 + HBr =>
C6H5NH2 + 2 Br = C6NH2BrH4 + HBr
C2H5OH + O2 = C2 + OH5OH =>
2 C2H5OH + O2 = 2 C2 + 2 OH5OH
HCI + AgNO3 = AgCI + HNO3 =>
HCI + AgNO3 = AgCI + HNO3
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
CaO + NaCl = Na2O + CaCl2 =>
CaO + 2 NaCl = Na2O + CaCl2
K2Cr2O7 = Cr2O3 + K2CrO4 + O2 =>
4 K2Cr2O7 = 2 Cr2O3 + 4 K2CrO4 + 3 O2
H{+} + Cu = Cu{2+} + H2 =>
2 H{+} + Cu = Cu{2+} + H2
Na2S + CO2 = Na2SO4 + C =>
Na2S + 2 CO2 = Na2SO4 + 2 C
Sn(SO3)2 + Zn(NO2)2 = ZnSO3 + Sn(NO2)4 =>
Sn(SO3)2 + 2 Zn(NO2)2 = 2 ZnSO3 + Sn(NO2)4
Fe + CaCl2 = Ca + FeCl2 =>
Fe + CaCl2 = Ca + FeCl2
K + S = KS =>
K + S = KS
NaOH + H2O3 = H2O + NaO3 =>
4 NaOH + 5 H2O3 = 7 H2O + 4 NaO3
PbO + CO = Pb + CO2 =>
PbO + CO = Pb + CO2
H2S + O3 = SO2 + H2O =>
H2S + O3 = SO2 + H2O
Hg + C = HgC =>
Hg + C = HgC
NaCl2 + H2SO4 = NaSO4 + H2Cl2 =>
NaCl2 + H2SO4 = NaSO4 + H2Cl2
Na2CO3 + MgBr2 = MgCO3 + NaBr =>
Na2CO3 + MgBr2 = MgCO3 + 2 NaBr
HCI + K2CO3 = KCI + H2CO3 =>
2 HCI + K2CO3 = 2 KCI + H2CO3
K[B9H12] + KOH + KO3 = K3BO3 + H2O =>
K[B9H12] + 18 KOH + 8 KO3 = 9 K3BO3 + 15 H2O
SbCl3 + HOH = HCl + Sb(OH)3 =>
SbCl3 + 3 HOH = 3 HCl + Sb(OH)3
Sn + ZnCl2 = Zn + SnCl4 =>
Sn + 2 ZnCl2 = 2 Zn + SnCl4
K2MnO4 + Na2SO3 + H2O = MnO2 + K2SO4 + NaOH =>
K2MnO4 + Na2SO3 + H2O = MnO2 + K2SO4 + 2 NaOH
H2Co3 + Cu = CuCo3 + H2 =>
H2Co3 + Cu = CuCo3 + H2
PCl + H2O = H3P + O4 + HCl =>
2 PCl + 4 H2O = 2 H3P + O4 + 2 HCl
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