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2 Fe2 + 3 O2(g) = 2 Fe2O3
MgS + Ga = Ga2S3 + Mg =>
3 MgS + 2 Ga = Ga2S3 + 3 Mg
B2H2 + O2 = B2O3 + H2O =>
B2H2 + 2 O2 = B2O3 + H2O
H2SO4 + K2Cr2O7 + C9H10 = Cr2(SO4)3 + H2O + C7H6O2 + K2SO4 =>
104 H2SO4 + 26 K2Cr2O7 + 21 C9H10 = 26 Cr2(SO4)3 + 128 H2O + 27 C7H6O2 + 26 K2SO4
K + Ga2S3 = K2S + Ga =>
6 K + Ga2S3 = 3 K2S + 2 Ga
MnO + KOH + O2 = K1MnO4 + H2O =>
4 MnO + 4 KOH + 5 O2 = 4 K1MnO4 + 2 H2O
Fe + NHO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 NHO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
C2H6O + Cr2O72{-} + H{+} = C2H4O + H2O + Cr =>
143 C2H6O + 2 Cr2O72{-} + 2 H{+} = 143 C2H4O + 144 H2O + 4 Cr
Ni2{+} + Cd = Ni + Cd2{+} =>
Ni2{+} + 2 Cd = 2 Ni + Cd2{+}
P + Br2 = PBr3 =>
2 P + 3 Br2 = 2 PBr3
Al + HClO2 = AlClO2 + H2 =>
2 Al + 2 HClO2 = 2 AlClO2 + H2
SbCl3 + NH4OH = Sb2O3 + NH4Cl + H2O =>
2 SbCl3 + 6 NH4OH = Sb2O3 + 6 NH4Cl + 3 H2O
Fe + NHO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 NHO3 = Fe(NO3)3 + NO + 2 H2O
ZnCl2 + Hg(NO3)2 = Zn(NO3)2 + HgCl2 =>
ZnCl2 + Hg(NO3)2 = Zn(NO3)2 + HgCl2
N2O + H = N + H2O =>
N2O + 2 H = 2 N + H2O
NHO3 + Fe = H2 + Fe(NO3)2 =>
2 NHO3 + Fe = H2 + Fe(NO3)2
PbO2 + I{-} + H2O = Pb{2+} + I2 + OH{-} =>
PbO2 + 2 I{-} + 2 H2O = Pb{2+} + I2 + 4 OH{-}
B2O3 + H2SO4 = B2(SO4)3 + H2O =>
B2O3 + 3 H2SO4 = B2(SO4)3 + 3 H2O
Al2(SO4)3 + CH3COONa = Al(CH3COO)3 + Na2SO4 =>
Al2(SO4)3 + 6 CH3COONa = 2 Al(CH3COO)3 + 3 Na2SO4
Fe + NHO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 NHO3 = 2 Fe(NO3)3 + 3 H2
CH3OOH + Na2CO3 = CH3COONa + H2O + CO2 =>
4 CH3OOH + Na2CO3 = 2 CH3COONa + 5 H2O + CO2
C6H9O2N + O2 = CO2 + NH3 + H2O =>
2 C6H9O2N + 13 O2 = 12 CO2 + 2 NH3 + 6 H2O
Sr(ClO2)2 + NaNO3 = Sr(NO3)2 + NaClO2 =>
Sr(ClO2)2 + 2 NaNO3 = Sr(NO3)2 + 2 NaClO2
Fe + NHO3 = Fe(NO3)3 + NH4NO3 + H2O =>
8 Fe + 30 NHO3 = 8 Fe(NO3)3 + 3 NH4NO3 + 9 H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Cl2O7(s) + H2O(l) = HClO4 =>
Cl2O7(s) + H2O(l) = 2 HClO4
NH3 + H2O + Fe = Fe(OH)3 + NH4 =>
3 NH3 + 3 H2O + Fe = Fe(OH)3 + 3 NH4
NaCl + Pb(OH)2 = PbCl2 + NaOH =>
2 NaCl + Pb(OH)2 = PbCl2 + 2 NaOH
HC{-}CH + KMnO4 + H2SO4 = HOOC{-}COOH + MnSO4 + K2SO4 + H2O =>
5 HC{-}CH + 4 KMnO4 + 6 H2SO4 = 5 HOOC{-}COOH + 4 MnSO4 + 2 K2SO4 + 6 H2O
NaClO2 + NaHSO4 + H2O = ClO2 + Na2SO4 + H3O =>
NaClO2 + NaHSO4 + H2O = ClO2 + Na2SO4 + H3O
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
NaMnO4 + N2O2 + NaSO4 = MnSO4 + NaNO3 =>
NaMnO4 + N2O2 + NaSO4 = MnSO4 + 2 NaNO3
NaCl + Pb(OH)2 = PbCl2 + NaOH =>
2 NaCl + Pb(OH)2 = PbCl2 + 2 NaOH
AgNO3 + BaOH2 = AgOH2 + NO3 + Ba =>
AgNO3 + BaOH2 = AgOH2 + NO3 + Ba
Co(OH)2 + H3O = H2O + Co =>
Co(OH)2 + 2 H3O = 4 H2O + Co
Rb{+} + e = Rb =>
Rb{+} + e = Rb
CaNO3(aq) + NaSO4(aq) = CaSO4(s) + NaNO3(aq) =>
CaNO3(aq) + NaSO4(aq) = CaSO4(s) + NaNO3(aq)
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
C6H6 + I2 + HgO = C6H5I + H2O + HgI2 =>
2 C6H6 + 2 I2 + HgO = 2 C6H5I + H2O + HgI2
Fe + H2SO4 = Fe2SO4 + SO2 + H2O =>
2 Fe + 2 H2SO4 = Fe2SO4 + SO2 + 2 H2O
Si2H3 + O2 = SiO2 + H2O3 = =>
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
Na2OH2SO4 = Na2SO4 + H2O =>
Na2OH2SO4 = Na2SO4 + H2O
MgSO4 + O2 = MgO + SO4 =>
2 MgSO4 + O2 = 2 MgO + 2 SO4
AgI = Ag + I =>
AgI = Ag + I
NH4F + MgSO4 = (NH4)2SO4 + MgF2 =>
2 NH4F + MgSO4 = (NH4)2SO4 + MgF2
C8H14NH2 + CH3COOH = C10H16N + H2O =>
C8H14NH2 + CH3COOH = C10H16N + 2 H2O
C2H5Cl + NaOH = C2H5OH + NaCl =>
C2H5Cl + NaOH = C2H5OH + NaCl
Br + KOH = KBr + BrO2 + H2O =>
5 Br + 4 KOH = 4 KBr + BrO2 + 2 H2O
Au2O3 + Cl2 = Au2 + Cl2O3 =>
Au2O3 + Cl2 = Au2 + Cl2O3
NH4F + MgSO4 = (NH4)2SO4 + MgF2 =>
2 NH4F + MgSO4 = (NH4)2SO4 + MgF2
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