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2 HGO = 2 HG + O2
NaBH4 + CH2O + H2O = CH3OH + NaH2BO2 =>
NaBH4 + 3 CH2O + 2 H2O = 3 CH3OH + NaH2BO2
Na + H2O = H2 + NaO2H =>
2 Na + 4 H2O = 3 H2 + 2 NaO2H
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
S + HNO3 = NO2 + H2SO4 + H2O =>
S + 6 HNO3 = 6 NO2 + H2SO4 + 2 H2O
C4H8 + H2 = C4H10 =>
C4H8 + H2 = C4H10
NaNO3 + Cr2O3 + NaCO3 = NO + CO2 + Na2CrO4 =>
NaNO3 + Cr2O3 + 3 NaCO3 = NO + 3 CO2 + 2 Na2CrO4
FeCl3 + (NH4)(OH) = Fe(OH)3 + (NH4)Cl =>
FeCl3 + 3(NH4)(OH) = Fe(OH)3 + 3(NH4)Cl
H2O + P2O5 = H3PO4 =>
3 H2O + P2O5 = 2 H3PO4
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
CuCl3 + Mn = MnCl2 + Cu =>
2 CuCl3 + 3 Mn = 3 MnCl2 + 2 Cu
KMnO4 + NH3 = MnO + N2 + KOH + H2O =>
6 KMnO4 + 10 NH3 = 6 MnO + 5 N2 + 6 KOH + 12 H2O
Na + NH3 = NaNH2 + H2 =>
2 Na + 2 NH3 = 2 NaNH2 + H2
C14H30 + O2 = CO2 + H2O =>
2 C14H30 + 43 O2 = 28 CO2 + 30 H2O
Fe(SO)4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 Fe(SO)4 + 38 KMnO4 + 32 H2SO4 = 5 Fe2(SO4)3 + 38 MnSO4 + 19 K2SO4 + 32 H2O
Br2 + HI = HBr + I2 =>
Br2 + 2 HI = 2 HBr + I2
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Fe3O4 + CO = CO2 + Fe =>
Fe3O4 + 4 CO = 4 CO2 + 3 Fe
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH3COH + Br2 + H2O = CH3COOH + HBr =>
CH3COH + Br2 + H2O = CH3COOH + 2 HBr
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
10[Cr(N2H4CO)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 1176 MnSO4 + 420 CO2 + 660 KNO3 + 223 K2SO4 + 1879 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
SO3 + CuO = CuSO4 =>
SO3 + CuO = CuSO4
NH4NO3 + NAOH = NANO3 + NH3 + H20 =>
10 NH4NO3 + 15 NAOH = 15 NANO3 + 5 NH3 + 2 H20
PH3 + AgNO3 + H2O = H3PO4 + Ag + HNO3 =>
PH3 + 8 AgNO3 + 4 H2O = H3PO4 + 8 Ag + 8 HNO3
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
Ca3N2 + HCl = CaCl2 + NH4Cl =>
Ca3N2 + 8 HCl = 3 CaCl2 + 2 NH4Cl
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
NH4NO3 + NAOH = NANO3 + NH3 + H2O =>
NH4NO3 + NAOH = NANO3 + NH3 + H2O
AlCl3 + Na2SO4 = Al2(SO4)3 + NaCl =>
2 AlCl3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaCl
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
PbO2 + SbO = Pb2 + Sb2O5 =>
6 PbO2 + 8 SbO = 3 Pb2 + 4 Sb2O5
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
KOH(s) + CO2(g) = K2CO3(s) + H2O(l) =>
2 KOH(s) + CO2(g) = K2CO3(s) + H2O(l)
N2O3 + NaOH = NaNO2 + H2O =>
N2O3 + 2 NaOH = 2 NaNO2 + H2O
CuOH = Cu2O + H2O =>
2 CuOH = Cu2O + H2O
Br{-} + SO4{-2} + H3O{+} = Br2 + SO3{-2} + H2O =>
2 Br{-} + SO4{-2} + 2 H3O{+} = Br2 + SO3{-2} + 3 H2O
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
As2O3 + Zn + H2SO4 = ZnSO4 + AsH3 + H2O =>
As2O3 + 6 Zn + 6 H2SO4 = 6 ZnSO4 + 2 AsH3 + 3 H2O
Hg(NO3)2 + Fe = Fe(NO3)2 + Hg =>
Hg(NO3)2 + Fe = Fe(NO3)2 + Hg
I2 + K2SO3 + KOH = K2SO4 + KI + H2O =>
I2 + K2SO3 + 2 KOH = K2SO4 + 2 KI + H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C9H6 + O2 = CO2 + H2O =>
2 C9H6 + 21 O2 = 18 CO2 + 6 H2O
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