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2 Fe{3+} + C6H8O6 = 2 Fe{2+} + C6H6O6 + 2 H{+}
ZnSO4*7H2O + NaCO3 = H2O + ZnCO3 + NaSO4 =>
ZnSO4*7H2O + NaCO3 = 7 H2O + ZnCO3 + NaSO4
Cr2(SO4)3 + H2O2 + NaOH = NaCrO4 + H2O + H2SO4 =>
Cr2(SO4)3 + 4 H2O2 + 2 NaOH = 2 NaCrO4 + 2 H2O + 3 H2SO4
ZnCl2 + Cu(OH)2 = Zn(OH)2 + CuCl2 =>
ZnCl2 + Cu(OH)2 = Zn(OH)2 + CuCl2
Fe2SiO4 + H2O = SiO2 + Fe(OH)3 + H =>
Fe2SiO4 + 4 H2O = SiO2 + 2 Fe(OH)3 + 2 H
CH3COOH + C2H8OH = C4H8O2 + H2O =>
10 CH3COOH + 4 C2H8OH = 7 C4H8O2 + 10 H2O
H3AsO4 + H2S = H2O + As2S3 + S =>
2 H3AsO4 + 5 H2S = 8 H2O + As2S3 + 2 S
HNO3 + BaCl2 = HCl + Ba(NO3)2 =>
2 HNO3 + BaCl2 = 2 HCl + Ba(NO3)2
Zn + HgO + H2O = ZnO2{2-} + Hg + H{+} =>
Zn + HgO + H2O = ZnO2{2-} + Hg + 2 H{+}
SO2 + HNO6 + H2O = NO + H2SO4 =>
9 SO2 + 2 HNO6 + 8 H2O = 2 NO + 9 H2SO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KFeO2 + HCl = FeCl3 + KCl + H2O =>
KFeO2 + 4 HCl = FeCl3 + KCl + 2 H2O
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 8 H2O + 3 Na2SO4
BaBr2 + K2Cr2O7 + H3PO4 = CrPO4 + Ba3(PO4)2 + K3PO4 + Br2 + H2O =>
9 BaBr2 + 3 K2Cr2O7 + 14 H3PO4 = 6 CrPO4 + 3 Ba3(PO4)2 + 2 K3PO4 + 9 Br2 + 21 H2O
CaCO3 + SiO2 + Fe2O3 = Ca3Fe2(SiO4)3 + CO2 =>
3 CaCO3 + 3 SiO2 + Fe2O3 = Ca3Fe2(SiO4)3 + 3 CO2
As + Na = NaAs =>
As + Na = NaAs
Fe(OH)3 + CuSO4 = Fe2(SO4)3 + Cu(OH)2 =>
2 Fe(OH)3 + 3 CuSO4 = Fe2(SO4)3 + 3 Cu(OH)2
Cn + HCl = CnCl + H =>
Cn + HCl = CnCl + H
K3[Ga(OH)6] + H2SO4 = Ga(OH)3 + K2SO4 + H2O =>
2 K3[Ga(OH)6] + 3 H2SO4 = 2 Ga(OH)3 + 3 K2SO4 + 6 H2O
CH3COOH + H2SO4 = HSO4 + CH3COO(H)2 =>
CH3COOH + H2SO4 = HSO4 + CH3COO(H)2
C2H6O + H2SO4 = C2H6O2 + H2O + SO2 =>
C2H6O + H2SO4 = C2H6O2 + H2O + SO2
K2CrO4 + HCl = Cl2 + CrCl3 + H2O + KCl =>
2 K2CrO4 + 16 HCl = 3 Cl2 + 2 CrCl3 + 8 H2O + 4 KCl
O2 + C18H34O2 = CO2 + H2O =>
51 O2 + 2 C18H34O2 = 36 CO2 + 34 H2O
Al2(SO4)3 + CaCl2 = AlCl3 + Ca(SO4) =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 Ca(SO4)
B(OH)3 + H2O = BH2O(OH)3 =>
B(OH)3 + H2O = BH2O(OH)3
C4H10O + O2 = CO2 + H2O* =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O*
C6H8O7 + H2O = C6H5O7 + H3O =>
C6H8O7 + 3 H2O = C6H5O7 + 3 H3O
Sr(OH)2 + AlCl3 = Al(OH)3 + SrCl2 =>
3 Sr(OH)2 + 2 AlCl3 = 2 Al(OH)3 + 3 SrCl2
NO2 + F2 = NO2F =>
2 NO2 + F2 = 2 NO2F
LiOH + HCl = LiCl + HOH =>
LiOH + HCl = LiCl + HOH
CaCH3CO2 + HNO3 = CaNO3 + HCH3CO2 =>
CaCH3CO2 + HNO3 = CaNO3 + HCH3CO2
Na2Cr2O7 + K2SO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 K2SO3 + 4 H2SO4 = Cr2(SO4)3 + 3 K2SO4 + Na2SO4 + 4 H2O
KH2PO2 + NiSO4 + H2O = Ni + KH2PO3 + H2SO4 =>
KH2PO2 + NiSO4 + H2O = Ni + KH2PO3 + H2SO4
Mn{2+} + Br2 + H2O = MnO4{-} + Br{-} + H{+} =>
2 Mn{2+} + 5 Br2 + 8 H2O = 2 MnO4{-} + 10 Br{-} + 16 H{+}
Na2CO3 + H2OHCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 H2OHCl = 2 NaCl + 3 H2O + CO2
C6H4(CO2K)(CO2H) + NaOH = H2O + C6H4(CO2K)(CO2Na) =>
C6H4(CO2K)(CO2H) + NaOH = H2O + C6H4(CO2K)(CO2Na)
K4Fe(CN)6 + KMnO4 + H2SO4 = K3(Fe(CN)6) + K2SO4 + MnSO4 + H2O =>
5 K4Fe(CN)6 + KMnO4 + 4 H2SO4 = 5 K3(Fe(CN)6) + 3 K2SO4 + MnSO4 + 4 H2O
CH4 + SO2 = HS + CO2 + H2 =>
2 CH4 + 2 SO2 = 2 HS + 2 CO2 + 3 H2
Ca(OH)2 + NaHSO4 = CaSO4 + NaOH + H2O =>
Ca(OH)2 + NaHSO4 = CaSO4 + NaOH + H2O
ZnBr2 + K2Cr2O7 = ZnCr2O7 + KBr =>
ZnBr2 + K2Cr2O7 = ZnCr2O7 + 2 KBr
Al2 + KOH = Al(OH)3 + K =>
Al2 + 6 KOH = 2 Al(OH)3 + 6 K
Cr(NO3)3 + NaBiO3 + HNO3 = Na2Cr2O7 + NaNO3 + H2O + Bi(NO3)3 =>
2 Cr(NO3)3 + 3 NaBiO3 + 4 HNO3 = Na2Cr2O7 + NaNO3 + 2 H2O + 3 Bi(NO3)3
CH3OH + C6H4(OH)COOH = C6H4(OH)COOHCH3 + H2O =>
21 CH3OH + 13 C6H4(OH)COOH = 14 C6H4(OH)COOHCH3 + 18 H2O
Fe6O9 + C5O5 = Fe2 + C3O6 =>
5 Fe6O9 + 9 C5O5 = 15 Fe2 + 15 C3O6
MgBr2 + Na = Mg + NaBr =>
MgBr2 + 2 Na = Mg + 2 NaBr
Al(s) + CuSO4(aq) = Cu + Al(s)(SO4) =>
Al(s) + CuSO4(aq) = Cu + Al(s)(SO4)
Mg(OH)2 + H2O + O2 = Mg(OH)3 =>
4 Mg(OH)2 + 2 H2O + O2 = 4 Mg(OH)3
C65H110O45N + H2O = CH4 + CO2 + NH3 =>
8 C65H110O45N + 126 H2O = 277 CH4 + 243 CO2 + 8 NH3
Al + KClO4 + H2SO4 = KCl + Al2(SO4)3 + H2O =>
8 Al + 3 KClO4 + 12 H2SO4 = 3 KCl + 4 Al2(SO4)3 + 12 H2O
H2S = H2 + S =>
H2S = H2 + S
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