| Équations équilibrées la veille |
34 Au3{+} + 2 Cr3{+} + 21 H2O = 102 Au + 3 Cr2O7{2-} + 42 H{+}
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Ag2CO3 + H3PO4 = Ag3PO4 + H2CO3 =>
3 Ag2CO3 + 2 H3PO4 = 2 Ag3PO4 + 3 H2CO3
HNO3 + KI = KNO3 + NO + HIO3 + H2O =>
3 HNO3 + KI = KNO3 + 2 NO + HIO3 + H2O
Pb3O4 + H2SO4 = PbSO4 + O2 + H2O =>
2 Pb3O4 + 6 H2SO4 = 6 PbSO4 + O2 + 6 H2O
Ca + H2SO4 = Ca3(SO4)3 + H2 =>
3 Ca + 3 H2SO4 = Ca3(SO4)3 + 3 H2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
MnO + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 MnO + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 4 H2O
Na2S2O3 + Cl2 = NaCl + S + O2 =>
2 Na2S2O3 + 2 Cl2 = 4 NaCl + 4 S + 3 O2
NH4SCN + O2 = HCN + SO2 + NH3 =>
NH4SCN + O2 = HCN + SO2 + NH3
Al + H2S = Al2S3 + H2 =>
2 Al + 3 H2S = Al2S3 + 3 H2
HN3 + O2 = NO + HOH =>
4 HN3 + 7 O2 = 12 NO + 2 HOH
Ag2CrO4 + HF = AgF + H2O + CrO3 =>
Ag2CrO4 + 2 HF = 2 AgF + H2O + CrO3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
NiF2 + H2O = Ni(OH)2 + F2 + H2 =>
NiF2 + 2 H2O = Ni(OH)2 + F2 + H2
Zn + H2O2 = ZnO + H2O =>
Zn + H2O2 = ZnO + H2O
KMnO4 + NaSO3 + H2O = MnO2 + NaSO4 + KOH =>
2 KMnO4 + 3 NaSO3 + H2O = 2 MnO2 + 3 NaSO4 + 2 KOH
Na2SO4 + Ba = Na2 + BaSO4 =>
Na2SO4 + Ba = Na2 + BaSO4
(NH4)2CO3 + Fe(NO3)3 + H2O = Fe(OH)3 + CO2 + NH4NO3 =>
3(NH4)2CO3 + 2 Fe(NO3)3 + 3 H2O = 2 Fe(OH)3 + 3 CO2 + 6 NH4NO3
Zn + MnSO4 = ZnSO4 + Mn =>
Zn + MnSO4 = ZnSO4 + Mn
KBrO4(s) + KBr(s) = KBrO3(s) =>
3 KBrO4(s) + KBr(s) = 4 KBrO3(s)
Co(OH)3 + HCl = Co(OH)2 + H2O + Cl2 =>
2 Co(OH)3 + 2 HCl = 2 Co(OH)2 + 2 H2O + Cl2
Cr2O3 + Na2CO3 + NaNO3 = Na2CrO4 + NaNO2 + CO2 =>
Cr2O3 + 2 Na2CO3 + 3 NaNO3 = 2 Na2CrO4 + 3 NaNO2 + 2 CO2
ReCl5 + KMnO4 = KCl + ReMnO4 + Cl2 =>
ReCl5 + KMnO4 = KCl + ReMnO4 + 2 Cl2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
C7H6O3 + C2H3ClO = C9H8O4 + HCl =>
C7H6O3 + C2H3ClO = C9H8O4 + HCl
K + Fe(OH)3 = K(OH)3 + Fe =>
K + Fe(OH)3 = K(OH)3 + Fe
NiCl2 + KNO3 = KCl2 + NiNO3 =>
NiCl2 + KNO3 = KCl2 + NiNO3
NiCl2H = NiHCl2 =>
NiCl2H = NiHCl2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NO)4 + H2 = N2 + H2O =>
(NO)4 + 4 H2 = 2 N2 + 4 H2O
P2 = P =>
P2 = 2 P
Ca(s) + KCl(aq) = CaCl2(s) + K(aq) =>
Ca(s) + 2 KCl(aq) = CaCl2(s) + 2 K(aq)
H2C6H12O6 = C6H14O6 =>
H2C6H12O6 = C6H14O6
C2O2H4 + C5H12O = C7H14O2 + H2O =>
C2O2H4 + C5H12O = C7H14O2 + H2O
C6H5COOH + Cl2 = C6H5COOCl + HCl =>
C6H5COOH + Cl2 = C6H5COOCl + HCl
SrSO4 + Ba(OH)2 = Sr(OH)2 + BaSO4 =>
SrSO4 + Ba(OH)2 = Sr(OH)2 + BaSO4
CH4NH2(g) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
2 CH4NH2(g) + 5 O2(g) = 2 CO2(g) + 6 H2O(g) + N2(g)
CaCN2 + H2O(l) = CaCO3 + NH3 =>
CaCN2 + 3 H2O(l) = CaCO3 + 2 NH3
Ag2SO4 + AlCl3 = AgCl + Al2(SO4)3 =>
3 Ag2SO4 + 2 AlCl3 = 6 AgCl + Al2(SO4)3
H3BO3 + KOH = H2O + K3BO3 =>
H3BO3 + 3 KOH = 3 H2O + K3BO3
Mg + Al2(SO4)3 = Al + MgSO4 =>
3 Mg + Al2(SO4)3 = 2 Al + 3 MgSO4
NaOH(s) + HCl(aq) = NaCl(aq) + H2O =>
NaOH(s) + HCl(aq) = NaCl(aq) + H2O
H2O + I2 + Cu{3+} = IO3{-} + Cu{2+} + H{+} =>
6 H2O + I2 + 10 Cu{3+} = 2 IO3{-} + 10 Cu{2+} + 12 H{+}
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