| Équations équilibrées la veille | Équations équilibrées le lendemain |
12(NH4)2MoO4 + Na2HPO4 + 23 HNO3 = (NH4)3H4[P(Mo2O7)6] + 2 NaNO3 + 10 H2O + 21 NH4NO3
Cr2(s) + O2(g) = Cr2O3(s) =>
2 Cr2(s) + 3 O2(g) = 2 Cr2O3(s)
NH4 + SO4 = (NH4)2SO4 =>
2 NH4 + SO4 = (NH4)2SO4
CH4 + O2 = CO2 + H2O = heat =>
CH4 + 2 O2 = CO2 + 2 H2O
KOH + C2H4O2 = H2O + CO2 + K =>
8 KOH + C2H4O2 = 6 H2O + 2 CO2 + 8 K
CH2125 + O2 = CO2 + H2O =>
4 CH2125 + 2129 O2 = 4 CO2 + 4250 H2O
Cs2O + N2O5 = CsNO3 =>
Cs2O + N2O5 = 2 CsNO3
C2H5COOH + CH3CH(OH)CH3 = C2H5COOCH(CH3)2 + H2O =>
C2H5COOH + CH3CH(OH)CH3 = C2H5COOCH(CH3)2 + H2O
Ca(BrO)2 + Sn3(PO4)4 = Ca3(PO4)2 + Sn(BrO)4 =>
6 Ca(BrO)2 + Sn3(PO4)4 = 2 Ca3(PO4)2 + 3 Sn(BrO)4
H2CO3 + Co(OH)3 = Co2(CO3)3 + H2O =>
3 H2CO3 + 2 Co(OH)3 = Co2(CO3)3 + 6 H2O
NaCl + Pb(NO3)4 = Na(NO3)4 + ClPb =>
NaCl + Pb(NO3)4 = Na(NO3)4 + ClPb
BaSO4 + O2 = BaO2 + SO3 =>
2 BaSO4 + O2 = 2 BaO2 + 2 SO3
Fe2O3 + Co2O3 + K2Cr2O7 + H2 = CrFeCoO2 + KOH + O2 =>
2 Fe2O3 + 2 Co2O3 + 2 K2Cr2O7 + 2 H2 = 4 CrFeCoO2 + 4 KOH + 7 O2
H3PO4 + K2O = K3PO4 + H2O =>
2 H3PO4 + 3 K2O = 2 K3PO4 + 3 H2O
MnO2 + HCl = MnO + HClO4 =>
4 MnO2 + HCl = 4 MnO + HClO4
C4H10O + O = C5H8O2 + H2O =>
5 C4H10O + 12 O = 4 C5H8O2 + 9 H2O
BaCl2 + Al2(SO2)3 = Al2Cl2 + Ba(SO2)3 =>
BaCl2 + Al2(SO2)3 = Al2Cl2 + Ba(SO2)3
Zn(s) + SnCl2 = Sn + ZnCl2 =>
Zn(s) + SnCl2 = Sn + ZnCl2
Na2(SO4) + MnSO4 + K2SO4 + H2O = H2SO4 + Na2S2O3 + KMnO4 =>
5 Na2(SO4) + 8 MnSO4 + 4 K2SO4 + 7 H2O = 7 H2SO4 + 5 Na2S2O3 + 8 KMnO4
C2H2 + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 C2H2 + 6 KMnO4 + 9 H2SO4 = 10 HCOOH + 6 MnSO4 + 3 K2SO4 + 4 H2O
H2O2 + MnO4 = O2 + HMn =>
H2O2 + 2 MnO4 = 5 O2 + 2 HMn
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe(NO3)3 + H2O = Fe(OH)3 + H2 + NO3 =>
2 Fe(NO3)3 + 6 H2O = 2 Fe(OH)3 + 3 H2 + 6 NO3
NiO + HCl = HNiClO =>
NiO + HCl = HNiClO
CH3CHO + CuSO4 + NaOH = CH3COONa + Na2SO4 + Cu2O + H2O =>
CH3CHO + 2 CuSO4 + 5 NaOH = CH3COONa + 2 Na2SO4 + Cu2O + 3 H2O
SrCl3 + NaOH = Sr2O3 + HCl + NaCl =>
2 SrCl3 + 3 NaOH = Sr2O3 + 3 HCl + 3 NaCl
C3H6OH + O2 = CO2 + H2O =>
4 C3H6OH + 17 O2 = 12 CO2 + 14 H2O
Cu + H2SO4 = CuSO5 + SO2 + H2O =>
Cu + 3 H2SO4 = CuSO5 + 2 SO2 + 3 H2O
C6H5CH3 + HNO3 = C6H2(NO2)3CH3(s) + H2O =>
C6H5CH3 + 3 HNO3 = C6H2(NO2)3CH3(s) + 3 H2O
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
Nd(NO3)3 + Co(NO3)2 + C2H6N4O2 = Nd18Co002 + N2 + H2O + CO2 =>
90 Nd(NO3)3 + 10 Co(NO3)2 + 174 C2H6N4O2 = 5 Nd18Co002 + 493 N2 + 522 H2O + 348 CO2
Fe2(SO4)3 + NaHCO3 = Fe(OH)3 + CO2 + Na2SO4 =>
Fe2(SO4)3 + 6 NaHCO3 = 2 Fe(OH)3 + 6 CO2 + 3 Na2SO4
H2 + Zr = HZr =>
H2 + 2 Zr = 2 HZr
C + Cl = Cl4C8 =>
8 C + 4 Cl = Cl4C8
HNO3 + Ag = H2 + Ag(NO3)2 =>
2 HNO3 + Ag = H2 + Ag(NO3)2
CH3CHBrCH3 + Na = CH3CHNaCH3 + NaBr =>
CH3CHBrCH3 + 2 Na = CH3CHNaCH3 + NaBr
Mg + H3PO4 = H2 + Mg3(PO4)2 =>
3 Mg + 2 H3PO4 = 3 H2 + Mg3(PO4)2
FeSO4 + HNO3 = Fe2(SO4)3 + Fe(NO3)2 + NO + H2O =>
9 FeSO4 + 8 HNO3 = 3 Fe2(SO4)3 + 3 Fe(NO3)2 + 2 NO + 4 H2O
K2FeO4(aq) + KCN(aq) + H2O(l) = Fe2O3(s) + K2CO3(aq) + KNO3(aq) + KOH(aq) =>
10 K2FeO4(aq) + 3 KCN(aq) + 7 H2O(l) = 5 Fe2O3(s) + 3 K2CO3(aq) + 3 KNO3(aq) + 14 KOH(aq)
Na2SO4 + PbO = Na2O + SO4Pb =>
Na2SO4 + PbO = Na2O + SO4Pb
HC2H3O2 + NaHSO3 = NaC2H3O2(aq) + H2SO3 =>
HC2H3O2 + NaHSO3 = NaC2H3O2(aq) + H2SO3
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
CaO + Fe2O3 = CaOFe2O3 =>
CaO + Fe2O3 = CaOFe2O3
Br2 + H2O + NaNO2 = HBr + NaNO3 =>
Br2 + H2O + NaNO2 = 2 HBr + NaNO3
Sb + HNO3 + HCl = SbCl3 + NO + H2O =>
Sb + HNO3 + 3 HCl = SbCl3 + NO + 2 H2O
Bi2O3 + FeS = Bi + Fe2O3 + SO2 =>
7 Bi2O3 + 6 FeS = 14 Bi + 3 Fe2O3 + 6 SO2
CH3NH2 + O3 = CO2 + N2 + H2O =>
2 CH3NH2 + 3 O3 = 2 CO2 + N2 + 5 H2O
KCl(O3)2 = KCl + O2 =>
KCl(O3)2 = KCl + 3 O2
AgNO3 + H3O{+} + Cl{-} = AgCl + H2O + NO3H =>
AgNO3 + H3O{+} + Cl{-} = AgCl + H2O + NO3H
AgBr + H2O = Ag2O + HBr =>
2 AgBr + H2O = Ag2O + 2 HBr
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Équations équilibrées sur12/14/24
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