| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
N2O5 = N2O4 + O2 =>
2 N2O5 = 2 N2O4 + O2
(NH4)2Cr2O7(S) = Cr2O3(S) + N2(g) + H2O =>
(NH4)2Cr2O7(S) = Cr2O3(S) + N2(g) + 4 H2O
PCl5 + KOH = POCl3 + KCl + H2O =>
PCl5 + 2 KOH = POCl3 + 2 KCl + H2O
NaHO + (NH4)2SO4 = Na2SO4 + NH3 + H2O =>
2 NaHO + (NH4)2SO4 = Na2SO4 + 2 NH3 + 2 H2O
O + N2 = N2O =>
O + N2 = N2O
Au + O2(g) = Au2O3 =>
4 Au + 3 O2(g) = 2 Au2O3
Sb2S3 + O2 = Sb4O + SO2 =>
4 Sb2S3 + 13 O2 = 2 Sb4O + 12 SO2
H3AsO4 + KI + HCl = KCl + H3AsO3 + H2O + I2 =>
H3AsO4 + 2 KI + 2 HCl = 2 KCl + H3AsO3 + H2O + I2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4)2S + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + NH3 + H2O =>
3(NH4)2S + 4 K2Cr2O7 + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 6 NH3 + 16 H2O
Hg2(NO3)2 + KI = HgI + KNO3 =>
Hg2(NO3)2 + 2 KI = 2 HgI + 2 KNO3
AgNO3 + KCl = KNO3 + AgCl =>
AgNO3 + KCl = KNO3 + AgCl
Nb2TiC2F2 = Nb2C + TiC + NbF5 + C =>
5 Nb2TiC2F2 = 4 Nb2C + 5 TiC + 2 NbF5 + C
AlCl3 + HCl = AlCl4 + H2 =>
2 AlCl3 + 2 HCl = 2 AlCl4 + H2
Ca(NO3)2*4H2O + (NH4)2HPO4 + NH4OH = Ca10(PO4)(OH)2 + NH4NO3 + H2O =>
80 Ca(NO3)2*4H2O + 8(NH4)2HPO4 + 174 NH4OH = 8 Ca10(PO4)(OH)2 + 175 NH4NO3 + 433 H2O
K2S + Al(NO3)3 = Al2S3 + KNO3 =>
3 K2S + 2 Al(NO3)3 = Al2S3 + 6 KNO3
C57H102O6 + CH3OH = C3H8O3 + C57H106O6 =>
C57H102O6 + 3 CH3OH = C3H8O3 + C57H106O6
Zn + NiClO3 = Zn(ClO3)2 + Ni =>
Zn + 2 NiClO3 = Zn(ClO3)2 + 2 Ni
ZcNO3 + NaCO3 = ZcCO3 + NaNO3 =>
ZcNO3 + NaCO3 = ZcCO3 + NaNO3
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
COCl2 + Cl2O = CO2 + Cl2 =>
COCl2 + Cl2O = CO2 + 2 Cl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C8H11NO3 + N2H4 = C6H9N3O2 + H2O + NH4 =>
12 C8H11NO3 + 31 N2H4 = 16 C6H9N3O2 + 4 H2O + 26 NH4
CuS04 + Na2Co3 = Co2S3 + Cu + Na2S =>
11 CuS04 + 8 Na2Co3 = 12 Co2S3 + 11 Cu + 8 Na2S
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H(OH) =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H(OH)
CaCO3 + CO2 + H2O = CaC2O6H2 =>
CaCO3 + CO2 + H2O = CaC2O6H2
H2O + FeCO = CH4 + FeO + O =>
2 H2O + FeCO = CH4 + FeO + 2 O
CaCO3 + H2O = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 H2O = Ca(OH)2 + H2CO3
N2H4O3 + HCl = NH4Cl + HNO3 =>
N2H4O3 + HCl = NH4Cl + HNO3
CH3COOH + KMnO4 + KI = I2 + Mn(CH3COO)2 + CH3COOK + H2O =>
16 CH3COOH + 2 KMnO4 + 10 KI = 5 I2 + 2 Mn(CH3COO)2 + 12 CH3COOK + 8 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
CaO + Fe2O3 + H4SiO4 = Ca3Fe2(SiO4)3 + H2O =>
3 CaO + Fe2O3 + 3 H4SiO4 = Ca3Fe2(SiO4)3 + 6 H2O
CH4 + S2 = CS2 + H25 =>
25 CH4 + 25 S2 = 25 CS2 + 4 H25
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
S + H2O = S(OH) + H =>
S + H2O = S(OH) + H
AlCl3 + Cs = AlCs3 + Cl =>
AlCl3 + 3 Cs = AlCs3 + 3 Cl
Cr2(SiO3)2 = Cr2 + Si2 + O6 =>
Cr2(SiO3)2 = Cr2 + Si2 + O6
Fe(NO3)3 + Na2SO4 = Fe(SO4)3 + Na2NO3 =>
Fe(NO3)3 + 3 Na2SO4 = Fe(SO4)3 + 3 Na2NO3
BaCl2(l) + Na2SO4(l) = BaSO4(s) + NaCl(l) =>
BaCl2(l) + Na2SO4(l) = BaSO4(s) + 2 NaCl(l)
Mg + Cr(ClO4)2 = Cr + Mg(ClO4)2 =>
Mg + Cr(ClO4)2 = Cr + Mg(ClO4)2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
O2 + KF = F2 + OK =>
O2 + 2 KF = F2 + 2 OK
CuOO = CuO2 =>
CuOO = CuO2
As{3+} + BrO3{2-} + OH{-} = AsO4{3-} + Br{-} + H2O =>
5 As{3+} + 2 BrO3{2-} + 28 OH{-} = 5 AsO4{3-} + 2 Br{-} + 14 H2O
FeCl3 + Na3PO4 = FePO4 + Na3Cl3 =>
FeCl3 + Na3PO4 = FePO4 + Na3Cl3
CH3CHCH2 + KMnO4 + KOH = K2MnO4 + CH3CH(OH)CH2(OH) =>
CH3CHCH2 + 2 KMnO4 + 2 KOH = 2 K2MnO4 + CH3CH(OH)CH2(OH)
CsCl(s) + H2SO4(aq) = HCl(aq) + Cs2O4S(aq) =>
2 CsCl(s) + H2SO4(aq) = 2 HCl(aq) + Cs2O4S(aq)
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Équations équilibrées sur12/22/24
Équations équilibrées sur01/21/24
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