| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe(CN)6{4-} + Ce{4+} + OH{-} = Fe(OH)3 + CO3{2-} + NO3{-} + Ce(OH)3 + H2O =>
Fe(CN)6{4-} + 61 Ce{4+} + 258 OH{-} = Fe(OH)3 + 6 CO3{2-} + 6 NO3{-} + 61 Ce(OH)3 + 36 H2O
Ba(NO3)2 + K2CO3 = K2(NO3)2 + BaCO3 =>
Ba(NO3)2 + K2CO3 = K2(NO3)2 + BaCO3
KNO2 + Na2S + H2SO4 = S + NO + K2SO4 + NaOH =>
2 KNO2 + Na2S + H2SO4 = S + 2 NO + K2SO4 + 2 NaOH
B + CoO = (BO)2 + CoB =>
4 B + 2 CoO = (BO)2 + 2 CoB
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
NO3Ag + HCl = HNO3 + AgCl =>
NO3Ag + HCl = HNO3 + AgCl
Mg(NO3)2(aq) + CoCl2(aq) = Co(NO3)2(s) + MgCl2(aq) =>
Mg(NO3)2(aq) + CoCl2(aq) = Co(NO3)2(s) + MgCl2(aq)
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Pb(NO3)2(aq) + K2CO3(aq) = PbCO3(s) + KNO3(s) =>
Pb(NO3)2(aq) + K2CO3(aq) = PbCO3(s) + 2 KNO3(s)
NH3 + OO2 = NO + H2O =>
6 NH3 + 5 OO2 = 6 NO + 9 H2O
FeCl3 + K3(Fe(CN)6) = Fe3(Fe(CN)6)3 + KCl =>
3 FeCl3 + 3 K3(Fe(CN)6) = Fe3(Fe(CN)6)3 + 9 KCl
Zn + NO2 = ZnO + N2 =>
4 Zn + 2 NO2 = 4 ZnO + N2
HI + Cu(PO3)2 = CuI2 + HPO3 =>
2 HI + Cu(PO3)2 = CuI2 + 2 HPO3
Pb(OH)2 + Cr(CO3)3 = Pb(CO3) + Cr(OH)6 =>
3 Pb(OH)2 + Cr(CO3)3 = 3 Pb(CO3) + Cr(OH)6
ClO3{-} + As2S3 + OH{-} = AsO4{-3} + SO4{-2} + Cl{-} + H2O =>
14 ClO3{-} + 3 As2S3 + 36 OH{-} = 6 AsO4{-3} + 9 SO4{-2} + 14 Cl{-} + 18 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
ZnSO4 + (NH4)2CO3 = ZnCO3 + (NH4)2SO4 =>
ZnSO4 + (NH4)2CO3 = ZnCO3 + (NH4)2SO4
K2MnO4 + Cl2 = KMnO4 + KCl =>
2 K2MnO4 + Cl2 = 2 KMnO4 + 2 KCl
Fe + H2O + O2 = FeO(OH)2 =>
Fe + H2O + O2 = FeO(OH)2
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
PbO2(s) = Pb3O4(s) + O2(g) =>
3 PbO2(s) = Pb3O4(s) + O2(g)
Cr2O7 + I = Cr + IO3 =>
3 Cr2O7 + 7 I = 6 Cr + 7 IO3
Zn(s) + H2SO4(l) = H2(g) + ZnSO4(aq) =>
Zn(s) + H2SO4(l) = H2(g) + ZnSO4(aq)
NiO + Mg = MgO + Ni =>
NiO + Mg = MgO + Ni
BaS(aq) + KCl(aq) = BaCl2(s) + K2S(aq) =>
BaS(aq) + 2 KCl(aq) = BaCl2(s) + K2S(aq)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
H2O + NaCl = Na2 + HCl + O2 =>
2 H2O + 4 NaCl = 2 Na2 + 4 HCl + O2
Na2SO3 + Ca(OH)2 + H2O = NaOH + Ca(HSO3)2 =>
2 Na2SO3 + Ca(OH)2 + 2 H2O = 4 NaOH + Ca(HSO3)2
Co(No3)2 + Na2Co3 = CoCo3 + NaNo3(aq) =>
Co(No3)2 + Na2Co3 = CoCo3 + 2 NaNo3(aq)
SO3{2-} + F{-} + H{+} = S2O3{2-} + F2 + H2O =>
2 SO3{2-} + 4 F{-} + 6 H{+} = S2O3{2-} + 2 F2 + 3 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
Be(OH)2 = BeO + H2O =>
Be(OH)2 = BeO + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
(C6H5COCl)2 + H2O = C6H5COOH + HCl =>
(C6H5COCl)2 + 2 H2O = 2 C6H5COOH + 2 HCl
CuCl2 + NaI = I2 + CuCl + NaCl =>
2 CuCl2 + 2 NaI = I2 + 2 CuCl + 2 NaCl
AgP = Ag + P =>
AgP = Ag + P
CaCl2(aq) + NaCl(aq) = CaCl(s) + NaCl2(aq) =>
CaCl2(aq) + NaCl(aq) = CaCl(s) + NaCl2(aq)
OCl + FeS2 = SO4 + FeCl3 + Cl2 =>
16 OCl + 2 FeS2 = 4 SO4 + 2 FeCl3 + 5 Cl2
KNO3 + C12H22O11 = K2CO3 + CO2 + N2 + H2 =>
26 KNO3 + 5 C12H22O11 = 13 K2CO3 + 47 CO2 + 13 N2 + 55 H2
C3H8O + NaOH = Na + H2O + C10H7O =>
10 C3H8O + 45 NaOH = 45 Na + 52 H2O + 3 C10H7O
NH4VO3 + H2SO4 + KI = VOSO4 + (NH4)2SO4 + H2O + K2SO4 + I2 =>
2 NH4VO3 + 4 H2SO4 + 2 KI = 2 VOSO4 + (NH4)2SO4 + 4 H2O + K2SO4 + I2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C9H9NO + Br = C8H8BrNO + CHBr =>
C9H9NO + 2 Br = C8H8BrNO + CHBr
BrO3 + H = H2O + BrO2 =>
BrO3 + 2 H = H2O + BrO2
Na2HPO4 + Ca(NO3)2 = CaHPO4 + Na(NO3) =>
Na2HPO4 + Ca(NO3)2 = CaHPO4 + 2 Na(NO3)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/03/25
Équations équilibrées sur03/05/24
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