| Équations équilibrées la veille | Équations équilibrées le lendemain |
9 CH2O + 2 NH3 = 2(CH3)3N + 3 CO2 + 3 H2O
Ba(NO3)2 + NaOH = Ba(OH)2 + NaNO3 =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 NaNO3
CHCH + H2O = CH2CHOH =>
CHCH + H2O = CH2CHOH
Al(OH)3 + H2S = Al2S3 + H2O =>
2 Al(OH)3 + 3 H2S = Al2S3 + 6 H2O
Os + O2 = OsO3 =>
2 Os + 3 O2 = 2 OsO3
H2CO3(aq) + NaOH(aq) = NaHCO3(aq) + H2O(l) =>
H2CO3(aq) + NaOH(aq) = NaHCO3(aq) + H2O(l)
KClO3 + H2SO4 = O2 + KHSO4 + Cl2 + H2O =>
4 KClO3 + 4 H2SO4 = 5 O2 + 4 KHSO4 + 2 Cl2 + 2 H2O
Na2CrO4 + KNO2 + H2O = Cr(OH)3 + NaOH + KNO3 =>
2 Na2CrO4 + 3 KNO2 + 5 H2O = 2 Cr(OH)3 + 4 NaOH + 3 KNO3
NO(g) + O3(g) + H2O(l) = HNO3 =>
2 NO(g) + O3(g) + H2O(l) = 2 HNO3
WO3 + H = W2O5 + H2O =>
2 WO3 + 2 H = W2O5 + H2O
FeCl2(s) + O2(g) = Fe3O4(s) + Cl2(g) =>
3 FeCl2(s) + 2 O2(g) = Fe3O4(s) + 3 Cl2(g)
KMnO4 + KI + CH3COOH = MnO2 + I2 + H2O + CH3COOK =>
2 KMnO4 + 6 KI + 8 CH3COOH = 2 MnO2 + 3 I2 + 4 H2O + 8 CH3COOK
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2Cr2O7 + H2SO4 + KI = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KI = 4 K2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O
HClNaOH = H2ONaCl =>
HClNaOH = H2ONaCl
NH2 = N + H2 =>
NH2 = N + H2
Cu{2+} + H2PO2{-} + OH{-} = CuH2 + PO4{3-}) + H2O =>
Cu{2+} + H2PO2{-} + 4 OH{-} = CuH2 + PO4{3-}) + 2 H2O
HPO3 + NaOH = Na3PO4 + H2O =>
HPO3 + 3 NaOH = Na3PO4 + 2 H2O
V + H2SO4 = V(SO4)2 + H2 =>
V + 2 H2SO4 = V(SO4)2 + 2 H2
MgO + NaOH = MgO2 + NaH =>
MgO + NaOH = MgO2 + NaH
CH3OH + Br2 = CH2BrOH + HBr =>
CH3OH + Br2 = CH2BrOH + HBr
H2SO4(aq) + LiOH(aq) = H2O + Li2SO4 =>
H2SO4(aq) + 2 LiOH(aq) = 2 H2O + Li2SO4
Sb + HBr = SbBr3 + H2 =>
2 Sb + 6 HBr = 2 SbBr3 + 3 H2
KClO3 + C12H22O11 + H2SO4 = CO2 + H2O + Cl2 + K2SO4 =>
48 KClO3 + 5 C12H22O11 + 24 H2SO4 = 60 CO2 + 79 H2O + 24 Cl2 + 24 K2SO4
CH3COOH + KOH = KCH3COO + H2O =>
CH3COOH + KOH = KCH3COO + H2O
FeCl3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + KCl =>
FeCl3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + 3 KCl
NaNO3 + Mg = Na2O + MgO + N2 =>
2 NaNO3 + 5 Mg = Na2O + 5 MgO + N2
Mg + CuPO4 = MgPO4 + Cu =>
Mg + CuPO4 = MgPO4 + Cu
Na2SO4 + Ga(NO3)3 = Na(NO3) + Ga2(SO4)3 =>
3 Na2SO4 + 2 Ga(NO3)3 = 6 Na(NO3) + Ga2(SO4)3
C5H8 + KMnO4 + H2SO4 = C3H4O4 + K2SO4 + MnSO4 + H2O =>
15 C5H8 + 44 KMnO4 + 66 H2SO4 = 25 C3H4O4 + 22 K2SO4 + 44 MnSO4 + 76 H2O
SiO2 + HF(aq) = SiF4 + H2O =>
SiO2 + 4 HF(aq) = SiF4 + 2 H2O
Ca + Cu(SO4)2 = Ca2(SO4) + Cu =>
4 Ca + Cu(SO4)2 = 2 Ca2(SO4) + Cu
PbSO4 + NaOH = Na2SO4 + Pb(OH)2 =>
PbSO4 + 2 NaOH = Na2SO4 + Pb(OH)2
MgSO4 + HCl = MgCl2 + H2SO4 =>
MgSO4 + 2 HCl = MgCl2 + H2SO4
C2H5(OH) + O2 = CO2 + H2O =>
C2H5(OH) + 3 O2 = 2 CO2 + 3 H2O
Fe2O3 + NaCl = FeCl3 + Na2O =>
Fe2O3 + 6 NaCl = 2 FeCl3 + 3 Na2O
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb =>
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb
HNO3 + Sc = Sc(NO3)3 + H2 =>
6 HNO3 + 2 Sc = 2 Sc(NO3)3 + 3 H2
NaOH + Cu2(SO4)2 = Na(SO4)2 + Cu2OH =>
NaOH + Cu2(SO4)2 = Na(SO4)2 + Cu2OH
HCl + SrO = SrCl2 + H2O =>
2 HCl + SrO = SrCl2 + H2O
Fe2(SO4)3 + K4Fe(CN)6 = KFe(Fe(CN)6) + K2SO4 =>
Fe2(SO4)3 + 2 K4Fe(CN)6 = 2 KFe(Fe(CN)6) + 3 K2SO4
H3PO4(aq) + NH4OH(aq) = HOH(l) + (NH4)3PO4(aq) =>
H3PO4(aq) + 3 NH4OH(aq) = 3 HOH(l) + (NH4)3PO4(aq)
NH3 + CH3I = CH3NH3I =>
NH3 + CH3I = CH3NH3I
RbOH + H3PO4 = H3Rb + PO4OH =>
RbOH + H3PO4 = H3Rb + PO4OH
CuSO4(aq) + NH4OH(aq) = CuOH(s) + NH4SO4(aq) =>
CuSO4(aq) + NH4OH(aq) = CuOH(s) + NH4SO4(aq)
SO3{2-} + H2O = SO4{2-} + H{+} + e =>
SO3{2-} + H2O = SO4{2-} + 2 H{+} + 2e
Ae + H2 = AeH3 =>
2 Ae + 3 H2 = 2 AeH3
I + HNO3 = HIO3 + NO + H2O =>
3 I + 5 HNO3 = 3 HIO3 + 5 NO + H2O
Na2SO4 + Sr(ClO3)2 = Na2(ClO3)2 + SrSO4 =>
Na2SO4 + Sr(ClO3)2 = Na2(ClO3)2 + SrSO4
C6H8O7 + KNO3 = CO2 + N2 + H2O + K2CO3 =>
5 C6H8O7 + 18 KNO3 = 21 CO2 + 9 N2 + 20 H2O + 9 K2CO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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