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4 NaH + 3 O2 = 4 NaO + 2 H2O
Fe + Br2 = Fe(Br)3 =>
2 Fe + 3 Br2 = 2 Fe(Br)3
CaCO3 + CH3COOH = CH3COO2Ca + CO2 + H2O =>
8 CaCO3 + 7 CH3COOH = 8 CH3COO2Ca + 6 CO2 + 2 H2O
NaH + O2 = Na + H2O =>
4 NaH + O2 = 4 Na + 2 H2O
NH4H2O = NH3H3O =>
NH4H2O = NH3H3O
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(g) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(g)
HCl + K2CrO4 = HO4 + ClK2Cr =>
HCl + K2CrO4 = HO4 + ClK2Cr
CuSO4(s) + NaCl(aq) = CuCl2 + Na2SO4(aq) =>
CuSO4(s) + 2 NaCl(aq) = CuCl2 + Na2SO4(aq)
SiO2 + KOH = K2SiO3 + H2O =>
SiO2 + 2 KOH = K2SiO3 + H2O
MgI2 + H2SO4 = HI + MgSO4 =>
MgI2 + H2SO4 = 2 HI + MgSO4
Sn(OH)2 = SnO + H2O =>
Sn(OH)2 = SnO + H2O
(C2H4)10 + H2O = CO2 + H2 =>
(C2H4)10 + 40 H2O = 20 CO2 + 60 H2
C3H6Cl2 + O2 = CO2 + H2O + HCl =>
C3H6Cl2 + 4 O2 = 3 CO2 + 2 H2O + 2 HCl
AlCl3 + KNO3 = AlNO3 + KCl3 =>
AlCl3 + KNO3 = AlNO3 + KCl3
Zn{2+} + S{2-} = ZnS =>
Zn{2+} + S{2-} = ZnS
Zn + H2SO5 = ZnSO4 + H2O =>
Zn + H2SO5 = ZnSO4 + H2O
MgI2 + H2SO4 = MgSO4 + H2S + I2 + H2O =>
4 MgI2 + 5 H2SO4 = 4 MgSO4 + H2S + 4 I2 + 4 H2O
FeS2 + O3 = Fe2O3 + SO2 =>
6 FeS2 + 11 O3 = 3 Fe2O3 + 12 SO2
NaH + O2 = Na + H2O =>
4 NaH + O2 = 4 Na + 2 H2O
NaH + O2 = NaO + H2O =>
4 NaH + 3 O2 = 4 NaO + 2 H2O
K2S + AgNO3 = K2NO3 + AgS =>
K2S + AgNO3 = K2NO3 + AgS
Mg3P2 = P + Mg =>
Mg3P2 = 2 P + 3 Mg
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
KMnO4 + KNo2 + H2O = MnO + KNo3 + KOH =>
KMnO4 + 15 KNo2 + 3 H2O = MnO + 10 KNo3 + 6 KOH
NH3 + OH + Cl = H2O + NH2Cl =>
NH3 + OH + Cl = H2O + NH2Cl
C176H266O2 + NH4NO3 = CO + H2O + N2 =>
C176H266O2 + 307 NH4NO3 = 176 CO + 747 H2O + 307 N2
MgCl2 + NH3 = MgNH3 + Cl =>
MgCl2 + NH3 = MgNH3 + 2 Cl
PbO2 + KI + H2SO4 = K2SO4 + PbSO4 + H2O + I2 =>
PbO2 + 2 KI + 2 H2SO4 = K2SO4 + PbSO4 + 2 H2O + I2
(CH3)3N + H2O = (CH2)3N + H3O =>
(CH3)3N + 3 H2O = (CH2)3N + 3 H3O
Cs2CO3 + ZnBr2 = Cs2Br2 + ZnCO3 =>
Cs2CO3 + ZnBr2 = Cs2Br2 + ZnCO3
CrO3 + H2O + KI = I2 + Cr(OH)3 + KOH =>
2 CrO3 + 6 H2O + 6 KI = 3 I2 + 2 Cr(OH)3 + 6 KOH
MgI2 + H2SO4 = HI + MgSO4 =>
MgI2 + H2SO4 = 2 HI + MgSO4
NaOH + Zn(OH)2 = Na2(Zn(OH)4) =>
2 NaOH + Zn(OH)2 = Na2(Zn(OH)4)
CaCO3 + CH3COOH = CH3COO2Ca + CO2 + H2O =>
8 CaCO3 + 7 CH3COOH = 8 CH3COO2Ca + 6 CO2 + 2 H2O
K2Cr2O7 + Sn(NO3)2 = KNO3 + SnCr2O7 =>
K2Cr2O7 + Sn(NO3)2 = 2 KNO3 + SnCr2O7
[Cu(NH3)4]SO4(s) + HCl(aq) = CuSO4(aq) + NH4(g) + Cl2(g) =>
[Cu(NH3)4]SO4(s) + 4 HCl(aq) = CuSO4(aq) + 4 NH4(g) + 2 Cl2(g)
(CH3COO)3Al + H2O = CH3COOH + Al2O3 =>
2(CH3COO)3Al + 3 H2O = 6 CH3COOH + Al2O3
P4S5 + O2 = P4O10 + SO2 =>
P4S5 + 10 O2 = P4O10 + 5 SO2
CH3COCH3 + C6H6N4O4 = C9H10N4O4 + H2O =>
CH3COCH3 + C6H6N4O4 = C9H10N4O4 + H2O
MnO2 + KI + HCl = KCl + MnCl2 + I2 + H2O =>
MnO2 + 2 KI + 4 HCl = 2 KCl + MnCl2 + I2 + 2 H2O
MgI2 + H2SO4 = HI + MgSO4 =>
MgI2 + H2SO4 = 2 HI + MgSO4
Pb3O4 + HCl = Pb3Cl8 + H2O =>
Pb3O4 + 8 HCl = Pb3Cl8 + 4 H2O
I2 + HCl = HI2 + Cl =>
I2 + HCl = HI2 + Cl
SrCO3 + Fe2O3 + PbO + Ca(NO3)2H8O4 = SrCaPbFe2O7 + CO2 + H2O + NO2 =>
SrCO3 + Fe2O3 + PbO + Ca(NO3)2H8O4 = SrCaPbFe2O7 + CO2 + 4 H2O + 2 NO2
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
H2SO4{-2} + NaOH = Na2SO4{-2} + H2O =>
H2SO4{-2} + 2 NaOH = Na2SO4{-2} + 2 H2O
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
NaBH(s) + HSO(aq) = BH(g) + H(g) + NaSO(aq) =>
NaBH(s) + HSO(aq) = BH(g) + H(g) + NaSO(aq)
Ag(NO3) + Na(PO3) = Ag(PO3) + Na(NO3) =>
Ag(NO3) + Na(PO3) = Ag(PO3) + Na(NO3)
MgCO3 + HNO3 = Mg(NO3)2 + H2CO3 =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + H2CO3
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