| Équations équilibrées la veille |
2 Al(s) + Fe2O3(s) = Al2O3(s) + 2 Fe(s)
H{+} + MnO4{-} + SO32{-} = MnO2 + SO42{-} + H2O =>
20 H{+} + 20 MnO4{-} + 3 SO32{-} = 20 MnO2 + 3 SO42{-} + 10 H2O
NH2OH + H2O = NO2 + H =>
NH2OH + H2O = NO2 + 5 H
Pb + HCI = PbCI + H =>
Pb + HCI = PbCI + H
Li + CuO = LiCuO =>
Li + CuO = LiCuO
KHC8H4O4(aq) + NaOH(aq) = NaKC8H4O4(aq) + H2O(l) =>
KHC8H4O4(aq) + NaOH(aq) = NaKC8H4O4(aq) + H2O(l)
Na2S + (CH3COO)2Pb = PbS + CH3COONa =>
Na2S + (CH3COO)2Pb = PbS + 2 CH3COONa
CH3NCO + H2O = C3H8N2O + CO2 =>
2 CH3NCO + H2O = C3H8N2O + CO2
Pb(NO3)2 + PhK + H2O = Pb(OH)2 + KNO3 + PhH =>
Pb(NO3)2 + 2 PhK + 2 H2O = Pb(OH)2 + 2 KNO3 + 2 PhH
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2O + NH2OH = H3O{-} + NH2O{+} =>
H2O + NH2OH = H3O{-} + NH2O{+}
C9H8O2 + KMnO4 + Na2CO3 = CO2 + KNaMnO4 + H2O =>
C9H8O2 + 40 KMnO4 + 20 Na2CO3 = 29 CO2 + 40 KNaMnO4 + 4 H2O
C6H8 + HBr = C6H12Br4 =>
C6H8 + 4 HBr = C6H12Br4
CH3CH2OHCH3COOH = CH3COOCH2CH3H2O =>
CH3CH2OHCH3COOH = CH3COOCH2CH3H2O
CaO + H = Ca + OH =>
CaO + H = Ca + OH
KF + Be = BeF2 + K =>
2 KF + Be = BeF2 + 2 K
H2O + O2 + FeS2 = Fe2(SO4)3 + H2SO4 =>
2 H2O + 15 O2 + 4 FeS2 = 2 Fe2(SO4)3 + 2 H2SO4
NaCl(aq) + Br(g) = NaBr(s) + Cl(g) =>
NaCl(aq) + Br(g) = NaBr(s) + Cl(g)
C2H6O + Cr2O7{2-} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H6O + 2 Cr2O7{2-} + 16 H{+} = 3 C2H4O2 + 4 Cr{3+} + 11 H2O
NaCl + Co = CoCl2 + Na =>
2 NaCl + Co = CoCl2 + 2 Na
O3Mg = MgO + O2 =>
O3Mg = MgO + O2
CaO + H = Ca + H2O =>
CaO + 2 H = Ca + H2O
C2H6O + Cr2O7{2-} + H{+} = C2H4O + H2O + Cr3{+} =>
17 C2H6O + 3 Cr2O7{2-} + 8 H{+} = 17 C2H4O + 21 H2O + 2 Cr3{+}
CaCO3 + Fe2(SO3)3 = CaSO3 + Fe2(CO3)3 =>
3 CaCO3 + Fe2(SO3)3 = 3 CaSO3 + Fe2(CO3)3
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Bi(NO3)3*5H2O + NH4VO3 = BiVO4 + NH4NO3 + HNO3 + H2O =>
Bi(NO3)3*5H2O + NH4VO3 = BiVO4 + NH4NO3 + 2 HNO3 + 4 H2O
KI(aq) + Cl2(g) = KCl(aq) + I2(s) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(s)
C2H6O + Cr2O7{2-} + H{+} = C2H4O + H2O + Cr{3+} =>
3 C2H6O + Cr2O7{2-} + 8 H{+} = 3 C2H4O + 7 H2O + 2 Cr{3+}
FeCl2 + I2 = Fe + ICl =>
FeCl2 + I2 = Fe + 2 ICl
Ba{2+} + SO4{2-} = BaSO4 =>
Ba{2+} + SO4{2-} = BaSO4
Na2CO3 + H2S = H2O + Na2S + CO2 =>
Na2CO3 + H2S = H2O + Na2S + CO2
Bi(NO3)3*5H2O + NH4VO3 = BiVO4 + NO3 + H2O + NH3 =>
3 Bi(NO3)3*5H2O + 3 NH4VO3 = 3 BiVO4 + 8 NO3 + 15 H2O + 4 NH3
H{+} + Cr2O7{2-} + C2H6O = Cr{3+} + CO2 + H2O =>
16 H{+} + 2 Cr2O7{2-} + C2H6O = 4 Cr{3+} + 2 CO2 + 11 H2O
NaMnO4 + HNO2 + H2SO4 = MnSO4 + HNO3 + Na2SO4 + H2O =>
2 NaMnO4 + 5 HNO2 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + Na2SO4 + 3 H2O
Pb(NO3)2 = Pb(NO2)2 + O2 =>
Pb(NO3)2 = Pb(NO2)2 + O2
HNO3 + I2 + H2O = NO + HIO =>
2 HNO3 + 3 I2 + 2 H2O = 2 NO + 6 HIO
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
NiCl2 = Ni + Cl =>
NiCl2 = Ni + 2 Cl
C2Ca2O4 + HCl = Ca + C2H2O4 + Cl2 =>
C2Ca2O4 + 2 HCl = 2 Ca + C2H2O4 + Cl2
H2C + NaOH = Na2C + H2O =>
H2C + 2 NaOH = Na2C + 2 H2O
NH4VO3 + Bi(NO3)3*5H2O = Bi25VO40 + H2O + O2 + N2 =>
NH4VO3 + 25 Bi(NO3)3*5H2O = Bi25VO40 + 127 H2O + 93 O2 + 38 N2
HCl + K2S = KCl + H2S =>
2 HCl + K2S = 2 KCl + H2S
[Cr(H2O)6]Cl3 = Cr2O3 + H2O + HCl =>
2[Cr(H2O)6]Cl3 = Cr2O3 + 9 H2O + 6 HCl
K3[Al(OH)6] + HNO3 = KNO3 + Al(OH)3 + H2O =>
K3[Al(OH)6] + 3 HNO3 = 3 KNO3 + Al(OH)3 + 3 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Rb + O2 = RbO =>
2 Rb + O2 = 2 RbO
Bi(NO3)3*5H2O + NH4VO3 = BiVO4 + NH3 + H2O + O2 =>
Bi(NO3)3*5H2O + NH4VO3 = BiVO4 + 4 NH3 + H2O + 6 O2
NiCl2 = Ni + Cl2 =>
NiCl2 = Ni + Cl2
Fe(s) + H2SO4(ac) = Fe2SO4 + H2 =>
2 Fe(s) + H2SO4(ac) = Fe2SO4 + H2
Fe(OH)3 + HMnO4 = Fe(MnO4)3 + H2O =>
Fe(OH)3 + 3 HMnO4 = Fe(MnO4)3 + 3 H2O
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