| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H6 + 5 O = 2 CO + 3 H2O
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Al + H2Co3 = Al2(Co3)2 + H2 =>
2 Al + 2 H2Co3 = Al2(Co3)2 + 2 H2
NH3(g) + ClF3(g) = HF(g) + N2(g) + Cl2 =>
2 NH3(g) + 2 ClF3(g) = 6 HF(g) + N2(g) + Cl2
NaHSO4 + NaClO2 = Na2SO4 + ClO2 + H2 =>
2 NaHSO4 + 2 NaClO2 = 2 Na2SO4 + 2 ClO2 + H2
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
C2H7N + K2Cr2O7 + HCl = CrCl3 + NH3 + H2O + KCl + CO2 =>
C2H7N + 2 K2Cr2O7 + 16 HCl = 4 CrCl3 + NH3 + 10 H2O + 4 KCl + 2 CO2
Cr2O7{-} + C2H5OH + H{+} = Cr{+3} + CO2 + H2O =>
12 Cr2O7{-} + 7 C2H5OH + 84 H{+} = 24 Cr{+3} + 14 CO2 + 63 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
NaClO2 + NaHSO4 = ClO2 + HCl + Na2SO4 + H2O =>
5 NaClO2 + 5 NaHSO4 = 4 ClO2 + HCl + 5 Na2SO4 + 2 H2O
K2Cr2O7(aq) + KCl(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + Cl2(aq) + K2SO4(aq) + H2O(l) =>
K2Cr2O7(aq) + 6 KCl(aq) + 7 H2SO4(aq) = Cr2(SO4)3(aq) + 3 Cl2(aq) + 4 K2SO4(aq) + 7 H2O(l)
CoCl2 + NaHCO3 = CoCO3 + NaHCl2 =>
CoCl2 + NaHCO3 = CoCO3 + NaHCl2
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
CaSO4 + NaOH(aq) = Ca(OH)2 + Na2SO4(aq) =>
CaSO4 + 2 NaOH(aq) = Ca(OH)2 + Na2SO4(aq)
C2H5OH + Cr2O7{-} + H{+} = Cr3{+} + CH3COOH + H2O =>
37 C2H5OH + 12 Cr2O7{-} + 20 H{+} = 8 Cr3{+} + 37 CH3COOH + 47 H2O
CH4(g) + NH3(g) = H2(g) + HCN(g) =>
CH4(g) + NH3(g) = 3 H2(g) + HCN(g)
C4H8O + KMnO4 + H2SO4 = MnSO4 + K2SO4 + C4H8O2 + H2O =>
5 C4H8O + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 C4H8O2 + 3 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
CdF2 + Na2S = CdS + NaF =>
CdF2 + Na2S = CdS + 2 NaF
NaClO2 + NaHSO4 = Na2SO4 + ClO2 + H =>
NaClO2 + NaHSO4 = Na2SO4 + ClO2 + H
CNH2N + KMnO4 + H2O = CNH2N(OH)2 + MnO2 + KOH =>
3 CNH2N + 2 KMnO4 + 4 H2O = 3 CNH2N(OH)2 + 2 MnO2 + 2 KOH
PdCl2 + CH3CN = PdCl2(CH3CN)2 =>
PdCl2 + 2 CH3CN = PdCl2(CH3CN)2
C4H9Li + CO2 = C4H9CO2Li =>
C4H9Li + CO2 = C4H9CO2Li
CoCl2 + NaHCO3 = Co(HCO3)2 + NaCl =>
CoCl2 + 2 NaHCO3 = Co(HCO3)2 + 2 NaCl
KHC8H4O4 + O2 = CO2 + H2O + K =>
4 KHC8H4O4 + 29 O2 = 32 CO2 + 10 H2O + 4 K
COCl2 + NaHCO3 = CO2 + NaCl + H2O =>
COCl2 + 2 NaHCO3 = 3 CO2 + 2 NaCl + H2O
I{-} + MnO4{-} + H2O = IO{-} + MnO2 + OH{-} =>
3 I{-} + 2 MnO4{-} + H2O = 3 IO{-} + 2 MnO2 + 2 OH{-}
MnO4{-} + I{-} + H2O = MnO2 + IO3{-} + OH{-} =>
2 MnO4{-} + I{-} + H2O = 2 MnO2 + IO3{-} + 2 OH{-}
PO4 + CH3COOH = H2PO4 + CH3COO =>
PO4 + 2 CH3COOH = H2PO4 + 2 CH3COO
ClO2 + H2O = HClO2 + HClO3 =>
2 ClO2 + H2O = HClO2 + HClO3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CuCO3 + NaHCO3 = Na2CO3 + Cu(HCO3)2 =>
CuCO3 + 2 NaHCO3 = Na2CO3 + Cu(HCO3)2
(NH4)2SO3 = NH4 + SO3 =>
(NH4)2SO3 = 2 NH4 + SO3
C10H6 + Cl2 = C + HCl =>
C10H6 + 3 Cl2 = 10 C + 6 HCl
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
Ca2{+} + O2{-} = CaO =>
Ca2{+} + O2{-} = 2 CaO
OH{-} + H2CO + Ag(NH3)2{+} = HCO3{-} + H2O + Ag + NH3 =>
5 OH{-} + H2CO + 4 Ag(NH3)2{+} = HCO3{-} + 3 H2O + 4 Ag + 8 NH3
S3 = S =>
S3 = 3 S
Mg + H3P = Mg3P2 + H2 =>
3 Mg + 2 H3P = Mg3P2 + 3 H2
SnCl4(aq) + Na3PO4(aq) = Sn3(PO4)4(s) + NaCl(aq) =>
3 SnCl4(aq) + 4 Na3PO4(aq) = Sn3(PO4)4(s) + 12 NaCl(aq)
CuSO4Mg = MgCuSO4 =>
CuSO4Mg = MgCuSO4
Cu(NO3)2 + Na3PO4 = CuPO4 + Na3(NO3)2 =>
Cu(NO3)2 + Na3PO4 = CuPO4 + Na3(NO3)2
C6H6 + O = CO + H2O =>
C6H6 + 9 O = 6 CO + 3 H2O
H3Fe(CN)6 + NH4OH = (NH4)3Fe(CN)6 + H2O =>
H3Fe(CN)6 + 3 NH4OH = (NH4)3Fe(CN)6 + 3 H2O
CH3COH + N2 = CH3CON + H2 =>
2 CH3COH + N2 = 2 CH3CON + H2
FeCl3 + K4[Fe(CN)6] = KCl + Fe4[Fe(CN)6]3 =>
4 FeCl3 + 3 K4[Fe(CN)6] = 12 KCl + Fe4[Fe(CN)6]3
FeCl3 + NH4F = FeF3 + NH4Cl =>
FeCl3 + 3 NH4F = FeF3 + 3 NH4Cl
Cl2(g) + H2O = HClO(ac) + HCl(ac) =>
Cl2(g) + H2O = HClO(ac) + HCl(ac)
Bi + O2 + HCl = BiCl3 + H2O =>
4 Bi + 3 O2 + 12 HCl = 4 BiCl3 + 6 H2O
Pb + HNO3 = PbHNO3 =>
Pb + HNO3 = PbHNO3
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Équations équilibrées sur12/15/23
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