| Équations équilibrées la veille | Équations équilibrées le lendemain |
(Cu(NO3)2) + 6 H2O = Cu(H2O)6 + 2 NO3
Na + At = NaAt =>
Na + At = NaAt
CaCO3 + HCl + (H2O) = CaCl2*6(H2O) + CO2 =>
CaCO3 + 2 HCl + 5(H2O) = CaCl2*6(H2O) + CO2
C6H4(COOH)(COOH) + NaOH = C6H4(COONa)(COONa) + H2O =>
C6H4(COOH)(COOH) + 2 NaOH = C6H4(COONa)(COONa) + 2 H2O
Na2C2O4 + Ca(NO3)2 = CaC2O4 + NaNO3 =>
Na2C2O4 + Ca(NO3)2 = CaC2O4 + 2 NaNO3
K2Cr2O7 + AgNO3 = KNO3 + Ag2Cr2O7 =>
K2Cr2O7 + 2 AgNO3 = 2 KNO3 + Ag2Cr2O7
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
FeSO3 + HCl = FeCl2 + H2SO3 =>
FeSO3 + 2 HCl = FeCl2 + H2SO3
Al(s) + NiCl2(aq) = AlCl3(aq) + Ni(s) =>
2 Al(s) + 3 NiCl2(aq) = 2 AlCl3(aq) + 3 Ni(s)
Cu(OH)2 + HCH3CO2 = Cu(CH3CO2)2 + H2O =>
Cu(OH)2 + 2 HCH3CO2 = Cu(CH3CO2)2 + 2 H2O
H6TeO6 + SO2 + O2 = TeO2 + H2SO4 =>
H6TeO6 + 3 SO2 + O2 = TeO2 + 3 H2SO4
(CH3(C2)6CH3) + O2 = CO2 + H2O =>
2(CH3(C2)6CH3) + 31 O2 = 28 CO2 + 6 H2O
As2S5 + HNO3(conc) = H3AsO4 + H2SO4 + H2O + NO2 =>
As2S5 + 40 HNO3(conc) = 2 H3AsO4 + 5 H2SO4 + 12 H2O + 40 NO2
MgSO4(aq) + PB(CH3COO)2(aq) = Mg(CH3COO)2(aq) + PBSO4(s) =>
MgSO4(aq) + PB(CH3COO)2(aq) = Mg(CH3COO)2(aq) + PBSO4(s)
Zn3 + HCl(ag) = ZnCl(ag) + H2(g) =>
2 Zn3 + 6 HCl(ag) = 6 ZnCl(ag) + 3 H2(g)
CaCl2 = Ca + Cl =>
CaCl2 = Ca + 2 Cl
Li2CO3 + HBr = LiBr + CO2 + H2O =>
Li2CO3 + 2 HBr = 2 LiBr + CO2 + H2O
Bi{3+} + KOH = Bi(OH)3 + K{+} =>
Bi{3+} + 3 KOH = Bi(OH)3 + 3 K{+}
(NH4)I(aq) + KOH(aq) = KI(aq) + NH3(g) + H2O(l) =>
(NH4)I(aq) + KOH(aq) = KI(aq) + NH3(g) + H2O(l)
FeCl2 + HNO3 = FeNO3 + H + Cl =>
FeCl2 + HNO3 = FeNO3 + H + 2 Cl
C25H52 + O2 = C25O2 + H52 =>
C25H52 + O2 = C25O2 + H52
Na + HSO3 = Na2SO3 + SO2 + H2O =>
2 Na + 2 HSO3 = Na2SO3 + SO2 + H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
L2 + KCl + H2O + N2 = HNO + KL + HCl =>
L2 + 2 KCl + 2 H2O + N2 = 2 HNO + 2 KL + 2 HCl
CH3CO2H = C + H2 + O =>
CH3CO2H = 2 C + 2 H2 + 2 O
CUS + HNO3 = CU(NO3)2 + S + H2O + N2 =>
5 CUS + 12 HNO3 = 5 CU(NO3)2 + 5 S + 6 H2O + N2
Al(s) + ZnSO4(aq) = Al2(SO4)3(aq) + Zn(aq) =>
2 Al(s) + 3 ZnSO4(aq) = Al2(SO4)3(aq) + 3 Zn(aq)
I2 + Cl2 + Ba(OH)2 = Ba(IO)2 + BaCl2 + H2O =>
I2 + Cl2 + 2 Ba(OH)2 = Ba(IO)2 + BaCl2 + 2 H2O
Ba3(PO4)2 + H3O{+} = H3PO4 + Ba{2+} + H2O =>
Ba3(PO4)2 + 6 H3O{+} = 2 H3PO4 + 3 Ba{2+} + 6 H2O
Cr(OH)6 + AlPO4 = CrPO4 + Al(OH)6 =>
Cr(OH)6 + AlPO4 = CrPO4 + Al(OH)6
C77H156 + O2 = CO2 + H2O =>
C77H156 + 116 O2 = 77 CO2 + 78 H2O
FeCl3 + Mg + H2O = MgCl2 + H2 + Fe(OH)3 =>
2 FeCl3 + 3 Mg + 6 H2O = 3 MgCl2 + 3 H2 + 2 Fe(OH)3
HgS + HNO3 + HCl = HgCl2 + NO2 + H2SO4 + H2O =>
HgS + 8 HNO3 + 2 HCl = HgCl2 + 8 NO2 + H2SO4 + 4 H2O
KO2 + H2O + CO2 = KHC03 + O2 =>
4 KO2 + 2 H2O + 12 CO2 = 4 KHC03 + 17 O2
H2S + KMnO4 + H2X = SO2 + MnX + K2X + H2O =>
5 H2S + 6 KMnO4 + 9 H2X = 5 SO2 + 6 MnX + 3 K2X + 14 H2O
Al + PbSiO3 = Al2O3 + Pb + Si =>
2 Al + PbSiO3 = Al2O3 + Pb + Si
KI + H2SO4 + KMnO4 = I2 + MnSO4 + H2O + K2SO4 =>
10 KI + 8 H2SO4 + 2 KMnO4 = 5 I2 + 2 MnSO4 + 8 H2O + 6 K2SO4
MgCO3 + CH3COOH = (CH2COO)2Mg + H2O + CO2 =>
4 MgCO3 + 7 CH3COOH = 4(CH2COO)2Mg + 6 H2O + 2 CO2
FeAsS + O2 = Fe2O3 + As4O6 + SO2 =>
4 FeAsS + 10 O2 = 2 Fe2O3 + As4O6 + 4 SO2
CuS + NH3 = Cu(NH3)4 + S =>
CuS + 4 NH3 = Cu(NH3)4 + S
N2H4 + N2O4 = N2 + H2O = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
C2H6OH + Cr2O7 = CH3COOH + Cr + H =>
7 C2H6OH + Cr2O7 = 7 CH3COOH + 2 Cr + 21 H
C2H2O4 + NH4 = (NH4)2C2O4 + H2 =>
C2H2O4 + 2 NH4 = (NH4)2C2O4 + H2
Cu + HSCN = Cu(SCN)2 + H2 =>
Cu + 2 HSCN = Cu(SCN)2 + H2
OH{-} + Cr + Ag{+} = CrO4{2-} + Ag + H{+} =>
4 OH{-} + Cr + 6 Ag{+} = CrO4{2-} + 6 Ag + 4 H{+}
Ag + L2 = AgL =>
2 Ag + L2 = 2 AgL
HCOONa + H2SO4 = CO + NaHSO4 + H2O =>
HCOONa + H2SO4 = CO + NaHSO4 + H2O
AgNO3KI = AgIKNO3 =>
AgNO3KI = AgIKNO3
Na2Cr3O7 + Na2SO3 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
2 Na2Cr3O7 + 3 Na2SO3 + 11 H2SO4 = 5 Na2SO4 + 3 Cr2(SO4)3 + 11 H2O
C2H2O4 + NH4 = (NH4)2C2O4 + H2 =>
C2H2O4 + 2 NH4 = (NH4)2C2O4 + H2
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Équations équilibrées sur12/12/24
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