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4 FeCr2O4 + 28 KOH + 9 O2 = 4 K3FeO4 + 8 K2CrO4 + 14 H2O
Na2S2O5 + H2O2 = NaHSO4 + H2O =>
Na2S2O5 + 2 H2O2 = 2 NaHSO4 + H2O
NaCl + C6H8O7 = Na3C6H5O7 + HCl =>
3 NaCl + C6H8O7 = Na3C6H5O7 + 3 HCl
H3PO4NH3 = H2PO4NH4 =>
H3PO4NH3 = H2PO4NH4
CaH2 + H2O = HH2 + CaO =>
3 CaH2 + 3 H2O = 4 HH2 + 3 CaO
W + O2 = W2O5 =>
4 W + 5 O2 = 2 W2O5
Ba + Br2 = BaBr2 = =>
Ba + Br2 = BaBr2
N6O15 = N2 + O2 =>
2 N6O15 = 6 N2 + 15 O2
Zn + HBr = ZnBr2H2 =>
Zn + 2 HBr = ZnBr2H2
H3(Po)4 + Ca(OH)2 = Ca3(Po4)2 + H2O =>
2 H3(Po)4 + 3 Ca(OH)2 = Ca3(Po4)2 + 6 H2O
(CH3COO)2Ca = CH3C(O)CH3 + CaCO3 =>
(CH3COO)2Ca = CH3C(O)CH3 + CaCO3
Fe(HCl)2 = FeCl2 + H2 =>
Fe(HCl)2 = FeCl2 + H2
Ba(OH)2 + Na2SO4 = NaHO + BaSO4 =>
Ba(OH)2 + Na2SO4 = 2 NaHO + BaSO4
SnI4 + (NH4)2O = Sn2O4 + NH4I =>
2 SnI4 + 4(NH4)2O = Sn2O4 + 8 NH4I
MgI2 + Cr(NO3)2 = Mg(NO3)2 + CrI2 =>
MgI2 + Cr(NO3)2 = Mg(NO3)2 + CrI2
CH4O + CH2O = C3H6O + H2O =>
2 CH4O + CH2O = C3H6O + 2 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Br{2} + HCl = HBr + Cl{2} =>
Br{2} + HCl = HBr + Cl{2}
H2CN2O3 = CO2 + H2O + N2 =>
H2CN2O3 = CO2 + H2O + N2
KS + Al = AlS + K =>
KS + Al = AlS + K
CaSO4 + H2O = Ca + OH + S(OH) =>
CaSO4 + 4 H2O = Ca + 7 OH + S(OH)
Mg + H3PO4 = H2 + Mg2HPO4 =>
2 Mg + H3PO4 = H2 + Mg2HPO4
Na2CO3 + H2O = H2CO3 + NaOH =>
Na2CO3 + 2 H2O = H2CO3 + 2 NaOH
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
KBr(aq) + Fe(OH)3(aq) = KOH(aq) + FeBr3(aq) =>
3 KBr(aq) + Fe(OH)3(aq) = 3 KOH(aq) + FeBr3(aq)
Zn(s) = Zn(aq) =>
Zn(s) = Zn(aq)
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
HFKOH = KFH2O =>
HFKOH = KFH2O
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
C6H4(CO)2O + H2O2 = C6H4(CO3H)CO2H =>
C6H4(CO)2O + H2O2 = C6H4(CO3H)CO2H
AgNo3 + HBr = AgBr + HNo3 =>
AgNo3 + HBr = AgBr + HNo3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Al2(CrO4)3 + (NH4)2SO4 = (NH4)2CrO4 + Al2(SO4)3 =>
Al2(CrO4)3 + 3(NH4)2SO4 = 3(NH4)2CrO4 + Al2(SO4)3
Zn + HN = H2 + Zn3N2 =>
3 Zn + 2 HN = H2 + Zn3N2
MnO2 + C2O4H2 + H2SO4 = MnSO4 + CO4 + H2O =>
5 MnO2 + C2O4H2 + 5 H2SO4 = 5 MnSO4 + 2 CO4 + 6 H2O
CHNO + O2 = CO2 + H2O + N =>
4 CHNO + 3 O2 = 4 CO2 + 2 H2O + 4 N
HCl + Cu + HNO3 = CuCl2 + NO + H2O =>
6 HCl + 3 Cu + 2 HNO3 = 3 CuCl2 + 2 NO + 4 H2O
C5H12 + O2 = C4O2 + H2O =>
4 C5H12 + 17 O2 = 5 C4O2 + 24 H2O
AgBr(s) = Ag + Br2(g) =>
2 AgBr(s) = 2 Ag + Br2(g)
K2Cr2O3 + H2SO4 = K2SO4 + Cr2SO4 + H2O + O =>
K2Cr2O3 + 2 H2SO4 = K2SO4 + Cr2SO4 + 2 H2O + O
Pb + HCl = PbCl2(s) + H =>
Pb + 2 HCl = PbCl2(s) + 2 H
NO2 + H2O = HNO3 + NOH2O =>
3 NO2 + 2 H2O = 2 HNO3 + NOH2O
PH3 + H2O + CrO4{2-} = P4 + Cr(OH)4{-} + OH{-} =>
4 PH3 + 4 H2O + 4 CrO4{2-} = P4 + 4 Cr(OH)4{-} + 4 OH{-}
Fe(OH)2 + HNO2 = Fe(NO2)2*2H2O =>
Fe(OH)2 + 2 HNO2 = Fe(NO2)2*2H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
K2Cr2O7 + HI = I2 + K2O + Cr2O3 + H2O =>
K2Cr2O7 + 6 HI = 3 I2 + K2O + Cr2O3 + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na2S2O3 + HNO3 = NaNO3 + S + SO2 + H2O =>
Na2S2O3 + 2 HNO3 = 2 NaNO3 + S + SO2 + H2O
C3H6 + O2 = H2O + CO =>
C3H6 + 3 O2 = 3 H2O + 3 CO
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